12V Rail Sag — Hashboard Brownout Under Load

Cross-cutting: every external-PSU ASIC miner — Antminer S9 / S17 / S19...

Antminer – 220V to 110V Wrong Connection

Antminer S9, S9i, S9j, S9k, S9 SE, S17, S17 Pro, S17+, S19,...

Antminer – APW PSU Fan Failure

Antminer APW3++, APW7, APW9, APW9+, APW12 (the full Bitmain APW power supply...

Antminer – APW PSU Not Powering On

APW3++, APW7, APW9, APW9+, APW12 — across Antminer S9, S9i, S9j, S9k,...

Antminer – Autotune Firmware Crash

Antminer S17 · S17 Pro · S17+ · S17e · S19 ·...

Antminer – BHB42 BMMiner Version Mismatch

Antminer units reporting model string ANTMINER BHB42xxx — predominantly S17 / S17...

Antminer – CGMiner / BMMiner Crash

Antminer S9 · S9i · S9j · T9+ · L3+ · L7...

Antminer – Control Board Beeping

All Antminers with on-board buzzer: S9, S9j, S9k, S17, S17 Pro, S17+,...

Antminer – Control Board Clock Drift

Antminer S9, S17, S17 Pro, S19, S19 Pro, S19j, S19j Pro, S19...

Antminer – Control Board Ethernet Port Failure

Antminer S9, T9, R4, L3+, T17, S17, S17+, S17 Pro, T19, S19,...

Antminer – Custom Firmware Bricked Control Board

Antminer S9 · S9j · S9k · T9+ · S17 · S17...

Antminer – Factory Reset Procedure

S9 · S9i · S9j · S9k · T17 · S17 ·...

Antminer – Fan Blade Damage Noise

Antminer S9, S9i, S9j, S9k, L3+, S17, S17 Pro, S17+, T17, S19,...

Antminer – Fan RPM Too Low

All Antminer models — S9 / S9i / S9j / S17 /...

Antminer – Firmware Corrupted / Bricked

All Antminer models — S9, S9i, S9j, S9k, T9+, S17, S17 Pro,...

Antminer – Green LED No Hashing

Antminer S9, S9i, S9j, S9k, T17, S17, S17 Pro, S17+, S19, S19...

Antminer – Hashboard Short Circuit

Antminer S9, S9i, S9j, L3+, L7, S17, S17 Pro, S17+, T17, S19,...

Antminer – IP Report Button Not Working

Antminer S9, S9i, S9j, S17, S17 Pro, S17+, T17, L3+, L7, S19,...

Antminer – LED Blinking Red/Green

Antminer S9, S9i, S9j, S9k, T9+, T17, S17, S17 Pro, S17+, S19,...

Antminer – LED Indicator Red Solid

Antminer S9, S9i, S9j, S9k, T9+, T17, S17, S17 Pro, S17+, T19,...

Antminer – Loose Heatsink Rattle

Antminer S9, S9i, S9j, S9k, S9 SE, L3+, L3++, L7, T17, S17,...

Antminer – Power Surge Damage

All ASIC miners — Antminer S9, S17, S17 Pro, T17, S19, S19...

Antminer – PSU Voltage Out of Range

All Antminer models with APW-series PSUs — APW3 / APW3+ / APW3++...

Antminer – RTC Battery Dead

Antminer S9, S9i, S9j, S17, S17 Pro, T17, S19, S19 Pro, S19j,...

Antminer – SD Card Corruption

Antminer S9, S9i, S9j, S9k, S9 SE, L3+, L3++, T9+, R4, D3,...

Antminer – SSH Connection Refused

S9 · S9j · S9k · S9 SE · L3+ · L7...

Antminer – SSH Connection Refused (Network)

Antminer S9, S9j, S9k, S9 SE, L3+, L7, T17, S17, S17 Pro,...

Antminer – Stratum V2 Connection Issue

Antminer S9, S17, S19, S19 Pro, S19j, S19j Pro, S19 XP, S19k...

Antminer – Undervolting Too Aggressive

Antminer S9, S9j, S9k, S17, S17 Pro, S17+, S19, S19 Pro, S19j,...

Antminer – Web Interface Not Loading

All Antminer models with a control-board HTTP server: S9, S9i, S9j, S9k,...

Antminer D9 – Temperature Too High

Antminer D9 (X11 / Dash miner, ~1.77 GH/s nameplate, ~1500 W wall...

Antminer KA3 – Temperature Too High

Antminer KA3 (all batches, stock firmware and common third-party builds)

Antminer L3+ – Hashboard Not Detected

Antminer L3+, L3++ (504 MH/s and 580 MH/s revisions); applies to the...

Antminer L3+ – Temperature Too High

Antminer L3+

Antminer L7 – Fan Speed Error

Antminer L7 (all revisions: 8.0 Gh/s, 8.3 Gh/s, 8.8 Gh/s, 9.05 Gh/s,...

Antminer L7 – Hashboard Not Detected

Antminer L7 (all revisions: 8.0 Gh/s, 8.3 Gh/s, 8.8 Gh/s, 9.05 Gh/s,...

Antminer L7 – Low Hashrate

Antminer L7 (all bins: 8.3, 8.5, 8.8, 9.05, 9.16, 9.3, 9.5 Gh/s)

Antminer L7 – Power Cable Overheating

Antminer L7, L7 9.3 Gh, L7 9.5 Gh, L7 9.16 Gh, L7...

Antminer L7 – Temperature Too High

L7 8.3 Gh/s · L7 8.5 Gh/s · L7 8.8 Gh/s ·...

Antminer L7 – Vibration Noise

Antminer L7 (all hashrate bins: 8.3 Gh, 8.5 Gh, 8.8 Gh, 9.05...

Antminer S17 – Fan Speed Error

Antminer S17, S17 Pro, S17+, S17e (and T17 chassis sharing the same...

Antminer S17 – Hashboard Not Detected

Antminer S17, S17 Pro, S17+, S17e

Antminer S17 – Low Hashrate

Antminer S17, S17 Pro, S17+, S17e

Antminer S17 – Temperature Too High

Antminer S17, S17 Pro, S17+, S17e

Antminer S19 – 110V Insufficient Power

Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...

Antminer S19 – Abnormal Fan Noise

Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...

Antminer S19 – ASIC Chip Temperature Imbalance

Antminer S19, S19 Pro, S19j Pro

Antminer S19 – Cannot Connect to Pool

All Antminer models -- S9, S9i, S9j, S9k, S17, S17 Pro, S17+,...

Antminer S19 – Control Board Not Booting

Antminer S19, S19 Pro, S19j Pro, S19 XP, S19 XP Hydro, S19k...

Antminer S19 – Control Board Power Connector Damage

Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...

Antminer S19 – eMMC Failure

Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...

Antminer S19 – Fan Grinding Noise

Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...

Antminer S19 – Fan Speed Error

S19 · S19 Pro · S19j Pro · S19 XP · S19...

Antminer S19 – Filesystem Full Error

Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19k Pro, S19...

Antminer S19 – Firmware Update Failed

Antminer S19 · S19 Pro · S19j · S19j Pro · S19...

Antminer S19 – Hashboard Initialization Failure

Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...

Antminer S19 – Hashboard Not Detected (0 ASIC)

Antminer S19, S19 Pro, S19j Pro, S19 XP, S19k Pro

Antminer S19 – Hashboard Voltage Error

Antminer S19, S19 Pro, S19j Pro (same root-cause pattern also affects S19...

Antminer S19 – High Hardware Error Rate

Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...

Antminer S19 – High Rejected Share Rate

Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...

Antminer S19 – Inlet/Outlet Temperature Differential Too High

Antminer S19, S19 Pro, S19j Pro, S19 XP, S21

Antminer S19 – Kernel Log Errors

Antminer S19 · S19 Pro · S19j · S19j Pro · S19...

Antminer S19 – Kernel Panic After OC

Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...

Antminer S19 – Low Hashrate (Missing ASIC Chips)

Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19k Pro

Antminer S19 – PSU Overcurrent Protection

Antminer S19, S19 Pro, S19j, S19j Pro, S19k Pro, S19a, S19a Pro...

Antminer S19 – SD Card Firmware Flash Not Working

S19 · S19 Pro · S19j · S19j Pro · S19 XP...

Antminer S19 – Temp Sensor Failure

Antminer S19, S19 Pro, S19j Pro, S19 XP

Antminer S19 – Temperature Too High (Temp1/Temp2 > 95°C)

Antminer S19, S19 Pro, S19j Pro, S19 XP, S19k Pro (3250 W...

Antminer S19 Hydro – Coolant Temperature Too High

Antminer S19 Hydro (~145 TH/s at 5365 W), S19 Pro Hydro (~184...

Antminer S19 XP – Hashboard Not Detected

Antminer S19 XP, Antminer S19 XP Hydro

Antminer S19 XP – PSU Overheating

Antminer S19 XP, Antminer S19 XP Hydro (APW12-platform edge cases)

Antminer S19 XP – Temperature Too High

Antminer S19 XP · S19 XP Hydro (air-cooled limits differ from hydro...

Antminer S19j Pro – Low Hashrate

Antminer S19j Pro (104 TH/s, 3,068 W, `240-Cb`), S19j Pro 100 TH/s...

Antminer S19k Pro – Hashboard Not Detected

Antminer S19k Pro (BHB56902 hashboard revision) — 115 TH/s and 120 TH/s...

Antminer S19k Pro – Temperature Too High

Antminer S19k Pro

Antminer S21 – ASIC Chip HW Errors

Antminer S21, S21 Pro, S21+, S21 Hydro, S21+ Hydro, S21 XP, T21

Antminer S21 – Control Board Not Booting

Antminer S21, S21 Pro, S21+, S21+ Hyd, S21 XP, S21 Hydro

Antminer S21 – Fan Speed Error

Antminer S21, S21 Pro, S21+, S21 Hydro, S21+ Hydro, S21 XP, T21

Antminer S21 – Firmware Compatibility Error

Antminer S21 · S21 Pro · S21+ · S21 Hydro · S21...

Antminer S21 – Hashboard Not Detected

Antminer S21, S21 Pro, S21+, S21+ Hyd, S21 XP, S21 Hydro

Antminer S21 – High-Pitched Whine

Antminer S21, S21 Pro, S21+, S21 Hydro, S21+ Hydro, S21 XP, T21

Antminer S21 – Low Hashrate

Antminer S21, S21 Pro, S21+, S21 Hydro, S21 XP (A3HB70501 hashboard)

Antminer S21 – Power Cable Melting

Antminer S21, S21 Pro, S21+, S21 XP, S21 Hydro, T21

Antminer S21 – PSU Overcurrent Protection

Antminer S21, S21 Pro (all bins) — stock APW21 / APW221-15 PSU...

Antminer S21 – Temperature Too High

Antminer S21, S21 Pro, S21 Hydro, S21+ variants

Antminer S9 – Control Board Not Booting

Antminer S9, S9i, S9j, S9k, S9 SE, T9+, R4 (BeagleBone-based and BHB42xxx...

Antminer S9 – Fan Bearing Failure

Antminer S9, S9i, S9j, S9k, S9 SE, S9 Space Heater editions

Antminer S9 – Fan Speed Error

Antminer S9, S9i, S9j, S9k, S9 SE

Antminer S9 – Firmware Downgrade Issues

S9 · S9i · S9j · S9k · S9 SE · T9+...

Antminer S9 – Hashboard Not Detected

Antminer S9, S9i, S9j, S9k, S9 SE

Antminer S9 – Low Hashrate

Antminer S9, S9i, S9j, S9k, S9 SE — any S9-class control board...

Antminer S9 – PSU Not Detected

Antminer S9, S9i, S9j, S9k, S9 SE — any S9-class control board...

Antminer S9 – PSU Voltage Drop

Antminer S9, S9i, S9j, S9k, S9 SE, S9 Space Heater conversions —...

Antminer S9 – Temperature Too High

Antminer S9, S9i, S9j, S9k, S9 SE

Antminer T19 – Fan Speed Error

Antminer T19 (84 TH/s and 88 TH/s production runs), T19 Hydro (limited...

Antminer T19 – Hashboard Not Detected

Antminer T19 (all hardware revisions, 84 TH/s and 88 TH/s SKUs)

Antminer T19 – Low Hashrate

Antminer T19, Antminer T19 Hydro (limited runs)

Antminer T19 – Temperature Too High

Antminer T19 (all hardware revisions, 84 TH/s and 88 TH/s SKUs). BM1398...

Antminer T21 – Fan Speed Error

Antminer T21 (190 TH/s, air-cooled chassis)

Antminer T21 – Hashboard Not Detected

Antminer T21

Antminer T21 – Low Hashrate

Antminer T21

Antminer T21 – Temperature Too High

Antminer T21

Antminer Z15 – Hashboard Not Detected

Antminer Z15, Z15 Pro, Z15e, Z15j

Antminer Z15 – Temperature Too High

Antminer Z15 · Z15 Pro · Z15e · Z15j (Equihash-144,5 / Zcash...

APW12 Fan Stalled But PSU Still Outputting

Bitmain APW12 (12V) PSU — paired with Antminer S19, S19 Pro, S19j...

APW12 Red LED Fault and Diagnostic Codes

Bitmain APW12 (12V) PSU — paired with Antminer S19, S19 Pro, S19j...

APW3++ No 12V Output and Fan Not Spinning

Bitmain APW3, APW3+, APW3++ (1200W @ 110-120V / 1600W @ 200-240V). Host...

APW7 Low Line Voltage Standby Cycling Under 205V

Bitmain APW7 (1800W) — typically paired with Antminer S9, S9i, S9j, S9k,...

APW9 Intermittent Shutdown After Heat Soak

Bitmain APW9, APW9+ — paired with Antminer S17, S17 Pro, S17+, S17e,...

APW9+ Output Voltage Too Low On Boot

Bitmain APW9+ (S17-Pro / T17 / T17+ / T17e / S17e era)....

ASIC 220V vs 110V Power Derating Explained

All ASIC miners on dual-voltage PSUs — Bitmain APW3++, APW7, APW9, APW9+,...

ASIC Miner – API Not Responding

All ASIC miners - Antminer S9 / S9j / S9k / L3+...

ASIC Miner – Circuit Breaker Tripping

All ASIC miners on residential or light-commercial power: Antminer S9 / L3+...

ASIC Miner – Coil Whine from Hashboard

All ASIC and open-source mining hashboards with on-board DC-DC (buck) conversion —...

ASIC Miner – DHCP Failure

All ASIC miners — Antminer S9/S17/S19/S19 XP/S21 families, Whatsminer M30S/M50/M60, Avalon A12/A13,...

ASIC Miner – DNS Resolution Failed

All ASIC miners -- Antminer S9, S17, S19, S19 Pro, S19j, S19j...

ASIC Miner – Ethernet Port Hardware Failure

Antminer S9, T9, L3+, T17, S17, S17+, S17 Pro, T19, S19, S19...

ASIC Miner – Frequent Pool Disconnections

All ASIC miners -- Antminer S9, S17, S19, S19 Pro, S19j, S19j...

ASIC Miner – Mining Pool Authentication Failed

All ASIC miners — Antminer S9, S17, S19, S19 Pro, S19j, S19j...

ASIC Miner – Network Not Found / No IP

All ASIC miners with RJ45 — Antminer (S9, S17, S19/Pro/j/j Pro/XP, S19k...

ASIC Miner – Overclocking Instability

All Antminer models with overclock or autotune profiles: S9, S17, S19, S19...

ASIC Miner – PDU Overload

Any rack-mounted or bench PDU feeding Antminer S9, L3+, S17, S19, S19...

ASIC Miner – PSU Buzzing Noise

Any ASIC with external or integrated PSU: Antminer APW3++, APW7, APW9, APW9+,...

ASIC Miner – Thermal Paste Degradation

Every ASIC older than 18-24 months — Antminer S9 / S17 /...

ASIC Miner – Underpowered PSU Symptoms

Any ASIC miner whose PSU is undersized, miswired for 110/120V, aged, or...

ASIC Miner – VPN Interfering with Pool Connection

Antminer S9, S17, S19, S19 Pro, S19j Pro, S19 XP, S21; Whatsminer...

ASIC Miner – Web Interface Not Loading

Antminer S9 · S9j · S9k · L3+ · L7 · T17...

ASIC Miner – Wrong Firmware Version Flashed

Antminer S9 · S9j · S9k · L3+ · S17 / S17...

Avalon – AUC Controller Failure

Avalon A10xx, A1066, A1146, A1166, A1246, A1346, A1366, A1466, A15xx (any Avalon...

Avalon – AUC Controller Network Loss

Avalon 721, 741, 821, 841, 851, 921, 1026, 1047, 1066, 1146, 1166,...

Avalon – AUC USB Connection Lost

Avalon A721, A741, A761, A821, A841, A851, A911, A921, A1041, A1066, A1146,...

Avalon – Firmware Flash via AUC

All Avalon controllers that push MM firmware over the AUC3 USB-to-IIC bus:...

Avalon – PSU Incompatible Model

Avalon 721, 741, 761, 821, 841, 1026, 1047, 1066, 1066 Pro, 1146,...

Avalon 1166 – Fan Speed Error

Avalon 1166, Avalon 1166 Pro (cross-applicable diagnostic logic to A1066 and A1266;...

Avalon 1166 – Hashboard Communication Error

Avalon 1166, Avalon 1166 Pro, Avalon 1166 Pro S. Same failure mode...

Avalon 1166 – Hashboard Not Detected

Avalon 1166 (A3206 chip) | Avalon 1166 Pro | 1166 MaxSpeed variants

Avalon 1166 – Low Hashrate

Avalon 1166, Avalon 1166 Pro, Avalon 1166S — any A11-class chassis running...

Avalon 1166 Pro – 0 Hashboard Detected

Avalon 1166 Pro (75T / 78T / 81T and Pro-S variants). Same...

Avalon 1166 Pro – ASICCRC Error

Avalon 1166 Pro (68T, 72T, 75T, 78T, 81T SKUs)

Avalon 1166 Pro – BOOTBY 0x10 Reboot Loop

Avalon 1166 Pro — all SKUs (68T, 72T, 75T, 78T, 81T). Primary...

Avalon 1166 Pro – Fan Speed 0 RPM

Avalon 1166 Pro (A1166 Pro 68T / 72T / 75T / 78T...

Avalon 1166 Pro – Firmware Upgrade Failure

Avalon 1166 Pro (68T, 72T, 75T, 78T, 81T SKUs)

Avalon 1166 Pro – Frequent Reboot

Avalon 1166 Pro — all SKUs (68T, 72T, 75T, 78T, 81T) on...

Avalon 1166 Pro – Single Chip Failure

Avalon 1166 Pro (A3206 silicon, MM3 backend) — 68 T / 72...

Avalon 1246 – ASIC Chip Temperature Abnormal

Avalon 1246 (81T, 83T, 85T, 87T, 90T SKUs). Directly applicable to Avalon...

Avalon 1246 – ASICCRC Error

Avalon 1246 (78T, 81T, 83T, 87T, 90T SKUs)

Avalon 1246 – AUC Communication Error

Avalon 1246, Avalon 1246 Pro (cross-references 1166 Pro, 1066 Pro, A11/A12 series...

Avalon 1246 – AUC Overheating

Avalon A1246 (A3206 silicon); directly-applicable patterns for A1146, A1166, A1266, A1346, A1366,...

Avalon 1246 – Fan Buzzing

Avalon A1246 (A3206 silicon, ~360 chips across 3 MMs, ~90 TH/s nameplate)...

Avalon 1246 – Fan Speed Error

Avalon 1246 (all sub-revisions: 1246-83T, 1246-87T, 1246-90T)

Avalon 1246 – Firmware Flash Failure

Avalon A1246 (A3206 silicon); patterns cross-apply to A1146, A1166, A1266, A1346, A1366,...

Avalon 1246 – Hashboard Domain Voltage Abnormal

Avalon 1246 (all variants — 83 TH / 87 TH / 90...

Avalon 1246 – Hashboard Not Detected

Avalon 1246 (A3206M chip) | Avalon 1246 Pro | 1246 MaxSpeed bins

Avalon 1246 – High DH% Error Rate

Avalon 1246 (81T, 83T, 85T, 87T, 90T SKUs — A3206 silicon, MM3...

Avalon 1246 – LED Error Pattern

Avalon A1246 (A3206 silicon) — with cross-applicable LED logic for A1166, A1266,...

Avalon 1246 – Low Hashrate

Avalon A1246 (all production batches, A3206 silicon; cross-applicable to A1246I)

Avalon 1246 – Only 2 Hashboards Detected

Avalon 1246 (all variants: 83T, 85T, 87T, 90T). Same A3206 chip family,...

Avalon 1246 – PSU Communication Lost

Avalon 1246 (all SKUs, ~81-90 TH/s class). Same PSU family and AUC3...

Avalon 1246 – PSU Not Detected

Avalon 1246 (83T/85T/87T/90T/93T/96T); same signature observed on Avalon 1166/1166 Pro with matching...

Avalon 1246 – Reboot BOOTBY Code Diagnosis

Avalon 1246 — 87T, 88T, 90T SKUs · A3210 ASIC chips (114...

Avalon 1246 – Temperature Too High

Avalon 1246 (all sub-SKUs - 81T, 83T, 85T, 87T, 90T), Avalon 1166,...

Avalon 1266 – Controller Board Not Booting

Avalon 1266 (100 TH / ~3400W chassis, A3206-class silicon). Same AvalonMiner Controller...

Avalon 1266 – Fan Speed Error

Avalon 1266 (A1266 100 TH/s / 96 TH/s variants, 3,500 W, MM3-series...

Avalon 1266 – Hashboard Failure

Avalon 1266 (100 TH / ~3400W chassis). Same PSU family, same AUC3...

Avalon 1266 – Low Hashrate vs Nameplate

Avalon 1266 - any A12-class chassis running the Canaan A3206 ASIC.

Avalon 1266 – PSU Not Detected

Avalon 1266 (100 TH/s / ~3400W chassis, A3206-class silicon). Mechanically and electrically...

Avalon 1266 – Temperature Too High

AvalonMiner 1266 (A1266) — 100 TH/s nameplate (96-100 TH/s bin band), ~3,500...

Avalon 1346 – Control Board Firmware Corruption

Avalon A1346 (104 / 107 / 110 / 113 TH/s SKUs, A3206-class...

Avalon 1346 – Fan Speed Error

Avalon 1346 (all sub-revisions — 104T, 107T, 110T, 113T, 116T, 120T, 126T...

Avalon 1346 – Hashboard Not Detected

Avalon 1346 (104 TH nameplate, A3218 silicon). Chassis shares control-board / PSU...

Avalon 1346 – Low Hashrate

Avalon A1346 (all production batches, including 104 / 107 / 110 /...

Avalon 1346 – PSU Voltage Sag Under Load

Avalon A1346 (all production batches: 104 / 107 / 110 / 113...

Avalon 1346 – SSH Access Unreachable

Avalon 1346 (also relevant to controller-shared siblings: Avalon 1366, 1446, 1466, 1566)

Avalon 1346 – Stratum Rejected Shares

Avalon A1346 (all production batches: 104 / 107 / 110 / 113...

Avalon 1346 – Temperature Overheat Shutdown

AvalonMiner 1346 (A1346) - 104 TH/s nameplate, A3205 ASIC family, MM3 control...

Avalon 1366 – AUC Controller Overheating

Avalon 1366 (~130 TH/s / ~3300W chassis, A3206-class silicon, A12-series control architecture)....

Avalon 1366 – BOOTBY Watchdog Reset

Avalon 1366 — 130 TH/s nameplate · A3206-class ASIC chips on three...

Avalon 1366 – Control Board Not Booting

Avalon 1366 (130 TH/s nameplate, ~3420W chassis, A3206-class silicon, 120 chips per...

Avalon 1366 – Dead Chip Count Exceeded

Avalon Made A1366 (130 TH/s, 3250 W, 2nd-gen 7nm A3200CFA silicon, 3...

Avalon 1366 – Fan Speed Error

Avalon 1366 (A1366 130T nameplate, 3,420 W, MM3v2 control board)

Avalon 1366 – Firmware Flash Failure

Avalon A1366 (130 TH/s standard bin) and A1366 MaxSpeed (high-frequency bin up...

Avalon 1366 – Hashboard Not Detected

Avalon 1366 (standard 130T bin), Avalon 1366 MaxSpeed, and mixed-bin 1366 fleets....

Avalon 1366 – Low Hashrate vs Nameplate

Avalon A1366 (standard 130 TH/s bin) and A1366 MaxSpeed (higher-frequency bin up...

Avalon 1366 – Pool Authentication Failed

Avalon 1366 — 130 TH/s nameplate · A3206-class ASIC chips on three...

Avalon 1366 – PSU Not Detected

Avalon 1366 (~130 TH/s / ~3300W chassis, A3206-class silicon, A12-series control architecture)....

Avalon 1366 – Temperature Too High

AvalonMiner 1366 (A1366) - 130 TH/s nameplate, A3206 ASIC family, MM3v2 control...

Avalon 1446 – Controller SD Card Corruption

Avalon A1446 (~80 TH/s nameplate, A3206-derived silicon, MM-class controller shared across the...

Avalon 1446 – Fan Speed Error

Avalon 1446 (entry-tier A14, ~83 – 95 Th nominal performance bins; shares...

Avalon 1446 – Firmware Upgrade Failure

Avalon 1446 (A14-family entry-class, ~80 TH/s nameplate; controller PCB shared with A1346/A1366/A1466/A1566...

Avalon 1446 – Hashboard Not Detected

Avalon 1446 (A14-family entry-class chassis, nameplate ~150-165 TH/s depending on bin), Avalon...

Avalon 1446 – Hashboard Voltage Domain Fail

Avalon 1446, Avalon 1446 MaxSpeed; cross-applies with minor PMIC pinout differences to...

Avalon 1446 – Low Hashrate

Avalon A1446 (all production SKUs, commonly sold as 130 / 135 /...

Avalon 1446 – PSU Incompatible Model

Avalon A1446 (130 / 135 / 136 TH/s ±5% SKUs at ~3310...

Avalon 1446 – Temperature Too High

AvalonMiner 1446 (A1446) - approx 118-128 TH/s nameplate depending on hardware revision,...

Avalon 1466 – BOOTBY Overheat Reboot

AvalonMiner A1466 - approximately 150 TH/s nameplate, A3207-class A14-generation ASICs (114 chips...

Avalon 1466 – Control Board Not Booting

AvalonMiner A1466 (~150 TH/s, A3207-class ASICs, MM3v2 control card, ~3,230 – 3,420...

Avalon 1466 – Dead Chip Count Exceeded

Avalon Made A1466 (~150 TH/s, ~3230 W, 3rd-gen A3207 silicon, 3 hashboards...

Avalon 1466 – Fan Speed Error

Avalon 1466 (A1466 150-170 TH/s nameplate, ~3,400-3,500 W, MM3v2-class control board)

Avalon 1466 – Firmware Flash Failure

Avalon 1466 (185 TH/s, ~3,400-3,500 W, MM3v2 control board, A3206-class silicon)

Avalon 1466 – Hashboard Not Detected

Avalon 1466 (standard 150T bin) and Avalon 1466 Pro (~165T bin). Shares...

Avalon 1466 – Low Hashrate vs Nameplate

Avalon A1466 (all production batches, 150 TH/s nameplate at 3230 W ±10%)...

Avalon 1466 – PSU Voltage Sag

Avalon A1466 (150 TH/s nameplate at 3230 W ±10%, 21.5 J/TH) ·...

Avalon 1466 – Stratum Rejected Shares

Avalon A1466 (all production batches: nameplate 150 TH/s at 3230 W, 21.5...

Avalon 1466 – Temperature Too High

AvalonMiner A1466 - approx 150 TH/s nameplate, A3207-class ASIC family (A14 generation),...

Avalon 1566 – ASICCRC Communication Error

Avalon 1566 (all production batches — nominal 185 TH/s SKU and batch-binned...

Avalon 1566 – BOOTBY Overheat Reboot

AvalonMiner A1566 - approximately 185 TH/s nameplate, A15-generation ASICs, MM3v2 control board,...

Avalon 1566 – Bootloader Stuck

AvalonMiner A1566 (185 TH/s nameplate, A3206-class ASICs, MM3+ control card, 3,420 W...

Avalon 1566 – Control Board Not Booting

AvalonMiner A1566 (185 TH/s nameplate, A3206-class ASICs, MM3+ control card, 3,420 W...

Avalon 1566 – Dead Chip Count Exceeded

Avalon Made A1566 (185 TH/s nameplate, 3420 W, 18.5 J/TH, A15-generation Canaan...

Avalon 1566 – Fan Speed Error

Avalon 1566 (A1566 185 TH/s nameplate, ~3,420 W wall draw, MM3v2-class control...

Avalon 1566 – Firmware Flash Failure

Avalon 1566 (185-218 TH/s nameplate band, ~3,400-3,800 W, MM3v2 control board, A3207-class...

Avalon 1566 – Hashboard Not Detected

Avalon 1566 (standard ~185 TH/s bin), Avalon 1566 MaxSpeed variants, and mixed-bin...

Avalon 1566 – Hashboard Voltage Domain Fail

Avalon 1566, Avalon 1566H; cross-applies with minor PMIC pinout differences to the...

Avalon 1566 – High DH% Error Rate

Avalon 1566 (170T / 175T / 180T / 185T SKUs — A3207...

Avalon 1566 – Low Hashrate vs Nameplate

Avalon A1566 (all production batches — nominal 185 TH/s SKU and batch-binned...

Avalon 1566 – PSU Not Detected

Avalon 1566 (standard ~185 TH/s bin), Avalon 1566 MaxSpeed variants, mixed-bin 1566...

Avalon 1566 – PSU Voltage Sag Under Load

Avalon A1566 (185 TH/s nameplate at ~3420 W wall draw, ~18.5 J/TH...

Avalon 1566 – Stratum Authentication Failed

Avalon A1566 (all production batches, all bin-rated SKUs from 170 TH/s through...

Avalon 1566 – Temperature Too High

AvalonMiner 1566 (A1566) - 185 TH/s nameplate, 3420 W wall draw, 18.5...

Avalon Series – 4MHz Crystal Oscillator Y1 Fault

All Avalon series — A11-series (1146, 1166, 1166 Pro), A12-series (1246, 1266),...

Avalon Series – A3203 ASIC Pin Short Diagnosis

Every Avalon hashboard built around the Canaan A32xx serial chip family: A3206...

Avalon Series – AUC USB Connection Lost Guide

All Avalon chassis using the AUC architecture: Avalon 1166, 1166 Pro, 1246,...

Avalon Series – BOOTBY Code Reference Guide

All Avalon series on MM-family firmware — A1166 Pro, A1246, A1266, A1346,...

Avalon Series – Chip BIN Mismatch Error

All Avalon series running MM-family firmware: A1166, A1166 Pro (A3206 / A3205),...

Avalon Series – E: no asics!! Error

Every Avalon miner running Canaan MM firmware on AUC3 or AUC4 control...

Avalon Series – ECHU Chip Status Code Reference

All Avalon series on MM-family firmware — A1166 Pro, A1246, A1266, A1346,...

Avalon Series – MM_STATUS Log Decoder

All Avalon series on MM-family firmware — A1166 Pro, A1246, A1266, A1346,...

AxeOS Solo Mode Toggle Missing After Firmware Update

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma / Gamma Turbo /...

Bitaxe – ‘No Share in Coinbase Reward’ Warning (256 / Testnet4)

All Bitaxe variants: Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma 601, Bitaxe Gamma...

Bitaxe – 12V PSU Connected to 5V Board (Permanent Damage)

Bitaxe Supra (BM1368, boards 401/402), Bitaxe Ultra (BM1366, board 204), Bitaxe Gamma...

Bitaxe – Accidental Factory Reset via Web Interface

Bitaxe Supra, Ultra, Gamma, Gamma Turbo / GT, Hex (all ESP-Miner /...

Bitaxe – Ambient Too High / Summer Temps Spike

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma 601/602 (BM1370), Bitaxe GT...

Bitaxe – ASIC Chip Not Detected / System Info Shows None

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma (BM1370 boards 601/602), Bitaxe...

Bitaxe – AxeOS Connection Issues

All Bitaxe models: Supra (board 401), Ultra (202/204/205/207), Gamma / Gamma Turbo...

Bitaxe – AxeOS Dashboard Unreachable / Blank Web Page

Bitaxe Supra, Ultra, Gamma, Gamma Turbo / GT, Hex, UltraHex, Max (all...

Bitaxe – AxeOS HTTPS Redirect Blocks Dashboard Access

Bitaxe Supra, Ultra, Gamma, Gamma Turbo / GT, Hex, UltraHex, Max (every...

Bitaxe – AxeOS Web UI Freezes During Mining Session

Bitaxe Supra, Ultra, Gamma, Gamma Turbo / GT, Hex (all ESP-Miner /...

Bitaxe – Barrel Jack Loose / Intermittent Power Flicker

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366 boards 202/204/205/207), Bitaxe Gamma (BM1370 boards...

Bitaxe – bitaxe.local Not Found on Windows / Android

Bitaxe Supra, Ultra, Gamma, Gamma Turbo / GT, Hex, UltraHex, Max —...

Bitaxe – BM1366 Not Responding After Power Surge

Bitaxe Ultra (BM1366, boards 202/204/205/207), Bitaxe Hex v303/v304 (6x BM1366), UltraHex, any...

Bitaxe – Bricked After Firmware Flash (Cannot Enter Bootloader)

Bitaxe Max, Bitaxe Ultra, Bitaxe Supra, Bitaxe Gamma, Bitaxe Gamma Turbo (GT),...

Bitaxe – Device Stays on Fallback Pool / Won’t Return to Primary

Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma, Bitaxe GT, Bitaxe Hex (any AxeOS...

Bitaxe – DHCP Lease Expired / Random Disconnects

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma (BM1370), Bitaxe GT (dual...

Bitaxe – Display Shows Garbage / Corrupted Characters

Bitaxe Supra, Ultra, Gamma 601, Gamma 602, GT, Hex (any Bitaxe with...

Bitaxe – DNS Resolution Failed for Pool Hostname

Bitaxe Supra, Ultra, Gamma, Gamma Turbo / GT, Hex, Max (every ESP32-S3...

Bitaxe – ESP32 Brownout Detector Triggered (Reset Loop)

All Bitaxe variants on the ESP32-S3-WROOM family: Bitaxe Max (BM1397), Ultra (BM1366...

Bitaxe – ESP32 Crash Loop / Reboot Loop

All Bitaxe models (ESP32-S3 based): Max (BM1397), Ultra (BM1366 boards 202/204/205/207), Supra...

Bitaxe – ESP32 Guru Meditation Error / Kernel Panic Backtrace

All Bitaxe variants on the ESP32-S3-WROOM family running AxeOS: Bitaxe Supra (BM1368),...

Bitaxe – Extranonce Subscribe Mismatch / Invalid Nonce Range

Bitaxe Supra, Ultra, Gamma, Gamma Turbo (GT), Hex — all variants running...

Bitaxe – Fan Motor Jammed / Hums but No Rotation

Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma 601/602, Bitaxe GT, Bitaxe Hex (any...

Bitaxe – Fan Not Spinning / PWM Stuck at Zero

Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma 601/602, Bitaxe GT, Bitaxe Hex (any...

Bitaxe – Fan RPM Reads Zero Despite Spinning (Tach Fault)

Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma, Bitaxe GT, Bitaxe Hex (all current...

Bitaxe – Flatline of Death (Hashrate Frozen / No New Shares)

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma (BM1370), Bitaxe GT (dual...

Bitaxe – Frequency Change Not Applied / Stuck at Stock

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma (BM1370), Bitaxe GT (dual...

Bitaxe – Hashrate Below Expected (30-50% of Spec)

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma (BM1370), Bitaxe Gamma GT...

Bitaxe – Hashrate Cliff / Drops to Zero Cyclically

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma (BM1370), Bitaxe Hex (6x...

Bitaxe – Hashrate Fluctuating Wildly Minute-to-Minute

Bitaxe Supra, Ultra, Gamma, Gamma Turbo (GT), Hex — every BM136x /...

Bitaxe – Heatsink Loose / Poor ASIC Contact

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma 601/602 (BM1370), Bitaxe GT...

Bitaxe – i2c_master_transmit_receive Handle Not Initialized

Bitaxe Gamma 601, Gamma 602, Supra, Ultra (all Bitaxe variants with EMC2101...

Bitaxe – Invalid Worker: Lightning Address / Username Pasted Instead of BTC

Bitaxe (all): Supra, Ultra, Gamma, GT, Hex, Max. Same pattern applies to...

Bitaxe – iOS 401 Authentication Error on AxeOS Dashboard

Bitaxe Supra, Ultra, Gamma, Gamma Turbo / GT, Hex, UltraHex, Max —...

Bitaxe – Memory Leak on v2.14 / Daily Reboot Required

All Bitaxe variants running AxeOS v2.14.0, v2.14.1, v2.14.2, v2.14.3, or v2.14.4 —...

Bitaxe – Not Hashing / Zero Hashrate

Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma, Bitaxe Gamma Turbo (GT), Bitaxe Hex,...

Bitaxe – NTP Sync Failure / Clock Drift Breaking Stratum

Bitaxe Supra, Ultra, Gamma, Gamma Turbo / GT, Hex, Max (every ESP32-S3...

Bitaxe – NVS Corruption / Manufacturing Data Missing (2.0.0+)

Bitaxe Supra (board 401, BM1368), Bitaxe Ultra (boards 202/204/205/207, BM1366), Bitaxe Gamma...

Bitaxe – OLED / LCD Display Blank on Boot

Bitaxe Supra, Ultra, Gamma 601, Gamma 602 (any Bitaxe variant with a...

Bitaxe – OTA Update Failed Mid-Transfer / Partition Switch Error

Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma, Bitaxe Gamma Turbo (GT), Bitaxe Hex...

Bitaxe – Overclock Errors High / Must Reduce Frequency

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma (BM1370), Bitaxe GT (dual...

Bitaxe – Overheating

Bitaxe Max, Ultra, Supra, Gamma, Gamma 601, Gamma 602, Gamma Turbo (GT),...

Bitaxe – Overheats Despite Cooling (Thermal Paste Degraded)

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma 601/602 (BM1370), Bitaxe Hex...

Bitaxe – Pool Connection Timeout / Socket Closed by Peer

Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma, Bitaxe GT, Bitaxe Hex (all ESP32-S3...

Bitaxe – Pool Difficulty Change with cleanJob=false Not Handled

Bitaxe Supra, Ultra, Gamma, Gamma Turbo (GT), Hex, Max — all variants...

Bitaxe – Pool Difficulty Shows Decimal 12-Digit Precision Bug

All Bitaxe variants (Supra, Ultra, Gamma, Gamma Turbo / GT, Hex, Max)...

Bitaxe – Pool Rejected Shares High Rate

Bitaxe Max (BM1397), Ultra (BM1366), Supra (BM1368), Gamma (BM1370), Gamma Turbo /...

Bitaxe – Port 80 Blocked by Firewall / VPN

Bitaxe Supra, Ultra, Gamma, Gamma Turbo / GT, Hex, UltraHex, Max (all...

Bitaxe – Power Fault / TPS546 Out of Regulation Window

Bitaxe Supra (BM1397), Bitaxe Ultra (BM1366), Bitaxe Gamma (BM1370), Bitaxe Hex (6x...

Bitaxe – Power/ASIC Temp/Input Voltage Not Showing in Dashboard

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma 601/602 (BM1370), Bitaxe Gamma...

Bitaxe – PSRAM Log Capture Unavailable / Logs Lost

Bitaxe Hex (`v303` / `v304`, 6× `BM1366`) and Bitaxe Gamma Turbo /...

Bitaxe – PSU Undersized / Insufficient Wattage for Overclock

Bitaxe Supra (BM1368, ~15W steady at 5V), Bitaxe Ultra (BM1366, ~15W steady...

Bitaxe – Reverse Polarity Barrel Jack Damage

Bitaxe Supra (BM1368, boards 401/402), Bitaxe Ultra (BM1366, board 204), Bitaxe Gamma...

Bitaxe – Serial Console Outputs Junk / Wrong Baud Rate

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma (BM1370), Bitaxe GT (BM1370),...

Bitaxe – Serial RX Invalid 11 Error After Hours of Mining

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma (BM1370), Bitaxe GT (BM1370),...

Bitaxe – Settings Lost After Firmware Update (NVS Wipe)

Bitaxe Supra, Ultra, Gamma, Gamma Turbo / GT, Hex, UltraHex, Max (any...

Bitaxe – SPIFFS www Partition Missing / Web UI 404

Bitaxe Supra, Ultra, Gamma, Gamma Turbo / GT, Hex, UltraHex (every ESP-Miner...

Bitaxe – Stale Share Flood / High Reject Rate

Bitaxe Supra, Ultra, Gamma, Gamma Turbo (GT), Hex — every BM136x variant...

Bitaxe – Stratum API Stuck After WiFi Timeout

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma (BM1370), Bitaxe GT (dual...

Bitaxe – Stratum ConfigurationOutOfOrder (Braiins / BOSminer)

Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma, Bitaxe Gamma Turbo (GT), Bitaxe Hex,...

Bitaxe – Stratum mining.authorize Failed / Wrong Worker Name

Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma, Bitaxe GT, Bitaxe Hex, Bitaxe Max;...

Bitaxe – Stratum mining.subscribe Failed / Pool Rejects Handshake

Bitaxe Supra, Ultra, Gamma, Gamma Turbo (GT), Hex, Max — all variants...

Bitaxe – Stratum URL Contains stratum+tcp:// Prefix

Bitaxe Supra, Ultra, Gamma, Gamma Turbo / GT, Hex, Max (every AxeOS...

Bitaxe – Stuck in Boot Loop / Rapid LED Cycling

All Bitaxe variants on the ESP32-S3-WROOM family: Bitaxe Max (BM1397), Ultra (BM1366...

Bitaxe – Stuck in Recovery / Self-Test Never Completes

Bitaxe Supra (BM1368 rev 401), Ultra (BM1366 boards 202/204/205/207), Gamma (BM1370 boards...

Bitaxe – Stuck in WiFi Config AP Mode / Won’t Join Network

All Bitaxe models: Supra (board 401), Ultra (202/204/205/207), Gamma / Gamma Turbo...

Bitaxe – Swarm Mode Fails After Firmware Upgrade

Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma (601 / 602), Bitaxe Gamma Turbo...

Bitaxe – Temperature Sensor Reads -1.0°C (I2C Fault)

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma (BM1370) — every variant...

Bitaxe – Thermal Shutdown at 75C / Self-Protect Mode

Bitaxe Supra (BM1368), Bitaxe Ultra (BM1366), Bitaxe Gamma (BM1370 boards 601/602), Bitaxe...

Bitaxe – Undervoltage / VIN Below 4.7V Under Load

Bitaxe Supra (board 401, BM1368), Bitaxe Ultra (boards 202/204/205/207, BM1366), Bitaxe Gamma...

Bitaxe – USB-C PD Negotiation Failed (Programming Port)

Bitaxe Supra (board rev 3+ with FUSB302B PD controller), Bitaxe Gamma (boards...

Bitaxe – Voltage Change Not Persisting After Reboot

Bitaxe Supra (board 401, BM1368), Bitaxe Ultra (boards 202/204/205/207, BM1366), Bitaxe Gamma...

Bitaxe – WiFi AP Client Isolation Blocking Device Access

Every Bitaxe variant — Supra, Ultra, Gamma, Gamma Turbo / GT, Hex,...

Bitaxe – WiFi Won’t Connect (5GHz Network / ESP32 2.4GHz Only)

Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma, Bitaxe GT, Bitaxe Hex, Bitaxe Max...

Bitaxe – Won’t Connect to hostapd / Linux-Generated Hotspots

Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma, Bitaxe GT, Bitaxe Hex (all current...

Bitaxe – Wrong Firmware .bin Flashed for Chip (1366 vs 1370)

Bitaxe Max (BM1397), Bitaxe Ultra (BM1366, boards 201/202/204/205/207), Bitaxe Supra (BM1368, rev...

Bitaxe – Wrong Pool Port / Stratum Port Mismatch

Bitaxe Supra, Ultra, Gamma, Gamma Turbo (GT), Hex, Max — all variants...

Bitaxe Gamma – 601 vs 602 Hardware Revision Firmware Mismatch

Bitaxe Gamma board rev 601 (BM1370 x1, ESP32-S3, SSD1306 OLED, EMC2101 fan...

Bitaxe Gamma – TPS546 VCORE Init Failed / Device ID Mismatch

Bitaxe Gamma 601, Bitaxe Gamma 602, Bitaxe Gamma Turbo (GT, dual BM1370)

Bitaxe Gamma – Zero Hashrate Pulling Only 5W (Warm Restart Fails)

Bitaxe Gamma (board 601, 602), Bitaxe Gamma Turbo / GT (board 800,...

Bitaxe Gamma Barrel Jack Undervolt Boot Loop

Bitaxe Gamma (BM1370 single-chip, boards 601 / 602 / 600-ESP-MON16) primary. Reproduces...

Bitaxe GT – Dual BM1370 One Chip Not Starting

Bitaxe GT (Turbo) - dual BM1370 topology, all current GT board revisions...

Bitaxe GT – XT30 Connector Loose

Bitaxe Gamma Turbo (GT), Bitaxe Hex v303/v304, Bitaxe UltraHex, NerdQAxe++ (shared XT30PW...

Bitaxe Hex – 12V Power Supply Not Compatible

Bitaxe Hex v303, Bitaxe Hex v304, UltraHex, Bitaxe GT (related 12V family),...

Bitaxe Hex – Asymmetric Per-Domain Hashrate (BM1368 Unbalanced)

Bitaxe Hex (6x BM1368 daisy-chain topology) - includes Supra Hex / Hex...

Bitaxe Hex – One ASIC Dead / Only 5 of 6 Chips Hashing

Bitaxe Hex v303, Bitaxe Hex v304 (6x BM1368 daisy-chain topology); symptom logic...

Bitaxe Hex – XT30 12V Rail Droop Under Load

Bitaxe Hex v303, Bitaxe Hex v304, UltraHex (community variants with stock 6x...

Bitaxe Hex XT30 Inrush Trips Bench PSU

Bitaxe Hex v303, Bitaxe Hex v304, UltraHex (and any community 6x BM1368...

Bitaxe Max – New Firmware Not Yet Supporting Chip

Bitaxe Max — forthcoming next-generation revision (any new BM-series die not yet...

Bitaxe Supra – BM1368 Not Responding After Power Cycle

Bitaxe Supra (BM1368, single-chip, board revisions 401/402); also informative for Bitaxe Hex...

Bitaxe Ultra – BM1366 Hashrate Cliff / Sudden Drop

Bitaxe Ultra (BM1366 single-chip) - hardware revisions 204, 205, 205-Bv2, 205-Cv2. Cliff...

Bitaxe USB-C PD Trigger Negotiation Failure

Bitaxe Supra (BM1368, 5V barrel jack), Bitaxe Ultra (BM1366, 5V barrel jack),...

Bitmain APW PSU Bulging Electrolytic Capacitor Replacement

Bitmain APW3+, APW3++, APW7, APW9, APW9+, APW12 — every APW-family PSU built...

Braiins Farm Proxy SV2 Upgrade Handshake Fail

Multi-miner farms running Braiins Farm Proxy in front of a mixed fleet...

Braiins Pool Rejects Blank Password Field

Any miner pointed at Braiins (stratum.braiins.com / eu.stratum.braiins.com / us-east.stratum.braiins.com / asia.stratum.braiins.com...

Dielectric Breakdown — Short Event in Immersion Tank

Any miner deployed in a single-phase dielectric immersion tank — Antminer S19/S19j/S19...

DNS Timeout on Stratum Hostname Resolution

All Antminer (S9 / S17 / S19 / S21 / L7 /...

extranonce_subscribe Unknown Method Error

All ASIC and open-source miners that send `mining.extranonce.subscribe` during pool handshake —...

Goldshell – Chip Init Failed on Startup

KD-BOX - KD-BOX Pro - KD-BOX II - KD5 - KD6 -...

Goldshell – Control Board Failure (No Web UI Response)

KD5 - KD6 - KD-MAX - KD6 SE - LT5 - LT5...

Goldshell – CPBO Failed to Startup Error

KD-BOX - KD-BOX Pro - KD-BOX II - HS-BOX - ST-BOX -...

Goldshell – Dashboard Flipping Between 0 H/s and Pool Error

KD-BOX Pro · KD-BOX II · LT5 · LT5 Pro · LT6...

Goldshell – Deep Clean / Dust Removal Tutorial

Every Goldshell home miner — KD-BOX, KD-BOX Pro, KD-BOX II, Mini-DOGE, Mini-DOGE...

Goldshell – Ethernet Link Down / No Network Detected

Entire Goldshell BOX + Pro lineup — KD-BOX / KD-BOX Pro /...

Goldshell – Factory Reset Not Working (RST Button)

Every Goldshell model with a recessed RST button — KD-BOX, KD-BOX Pro,...

Goldshell – Failed to Connect to Mining Pool

All Goldshell models — KD-BOX, KD-BOX Pro, KD-BOX II, KD5, KD6, KD-MAX,...

Goldshell – Fan RPM Error / Loud Bearing Noise

Goldshell KD5, KD6, KD-MAX, LT5, LT5 Pro, LT6, LT-LITE, HS5, CK5, CK6,...

Goldshell – Firmware Bricked (Red & Green LEDs Stuck)

KD-BOX - KD-BOX Pro - KD-BOX II - Mini-DOGE - Mini-DOGE II...

Goldshell – Firmware Downgrade / Rollback Method

KD-BOX, KD-BOX Pro, KD-BOX II, KD5, KD6, KD-MAX, HS-BOX, HS5, LT5, LT5...

Goldshell – Firmware Update Fails / Stuck at X%

Every Goldshell BOX-series miner — KD-BOX, KD-BOX Pro, KD-BOX II, KD5, KD6,...

Goldshell – High Share Rejection / Stale Rate

Goldshell KD6, KD-MAX, LT5, LT5 Pro, LT6, LT-LITE, CK5, CK6, HS5, KD-BOX...

Goldshell – IP Address Not Found / find.goldshell.com

entire Goldshell lineup — KD-BOX / KD-BOX Pro / KD-BOX II, HS-BOX...

Goldshell – Login Fail / Default Password Reset

entire Goldshell lineup — KD-BOX / KD-BOX Pro / KD-BOX II, Mini-DOGE...

Goldshell – Mining Pool Authentication / Worker Fail

All Goldshell models — KD-BOX, KD-BOX Pro, KD-BOX II, KD5, KD6, KD-MAX,...

Goldshell – NiceHash / Unsupported Pool Algo

Goldshell KD-BOX, KD-BOX Pro, KD-BOX II, KD5, KD6, KD-MAX, KA-BOX, KA-BOX Pro,...

Goldshell – Only Dxpool / F2pool Supported (Stratum Fail)

Goldshell KD-BOX, KD-BOX Pro, KD-BOX II, KD5, KD6, KD-MAX, LT5, LT5 Pro,...

Goldshell – Pool-Hijack Malware / Port-Forward Botware

KD-BOX - KD-BOX Pro - KD-BOX II - HS-BOX - HS3 -...

Goldshell – PSU Unexpected Shutdown / Brownout

Goldshell internal-PSU lineup: KD5, KD6, KD-MAX, LT5, LT5 Pro, LT6, CK5, CK6,...

Goldshell – Random Crashes / Reboots Every Few Days

KD-BOX - KD-BOX Pro - KD-BOX II - KD5 - KD6 -...

Goldshell – SD Card Firmware Recovery Flash Guide

Goldshell Mini-DOGE I/II/III+, KD-BOX, KD-BOX Pro, KD-BOX II, HS-BOX, ST-BOX, CK-BOX, KA-BOX,...

Goldshell – SSH Access / Root Shell (Advanced)

Entire Goldshell lineup running an Infotm Linux controller — KD-BOX / KD-BOX...

Goldshell – Temperature Monitor Shutdown Threshold

Goldshell CK5 (12 TH/s CKB) · CK6 (19.3 TH/s) · CK6-SE ·...

Goldshell – WiFi Upgrade Corrupts Firmware (Use Ethernet)

KD-BOX, KD-BOX Pro, KD-BOX II, Mini-DOGE, Mini-DOGE II, Mini-DOGE III+, HS-BOX, ST-BOX,...

Goldshell CK6 – Hashboard Hashrate Below 80%

Goldshell CK6, CK5, CK-BOX

Goldshell HS5 / KA-BOX – Persistent High Temperature

Goldshell HS5 - HS-BOX - KA-BOX - KA-BOX Pro

Goldshell KD-BOX – Not Hashing / Zero Hashrate

Goldshell KD-BOX, KD-BOX Pro, KD-BOX II

Goldshell KD-BOX II / AL-BOX II – New Hardware Issues

Goldshell KD Box II, KD Box II Pro, plus adjacent newest-revision BOX-series...

Goldshell KD-BOX Pro – Not Hashing After Setup

Goldshell KD-BOX Pro (adjacent symptoms on KD-BOX II)

Goldshell KD-MAX – Firmware Version Mismatch

Goldshell KD MAX (40.2 TH/s, 3350 W, Kadena / Blake2S)

Goldshell KD5 / KD6 – Overheating / Thermal Shutdown

Goldshell KD5 (18 TH/s Kadena, ~2,250 W) · KD6 (26.3 TH/s, ~2,630...

Goldshell LT5 / LT5 Pro – Hashboard Offline or Dead

Goldshell LT5 (2.05 GH/s scrypt, 2,080 W) · LT5 Pro (2.45 GH/s...

Goldshell Mini-DOGE – Red Light / Failed to Startup

Goldshell Mini-DOGE (original, LTC/DOGE merged miner, 185 MH/s scrypt) · Mini-DOGE II...

Goldshell ST-BOX – Firmware 2.2.0 Update Brick

Goldshell ST-BOX (Siacoin / SC, Blake2B-256, ~1 TH/s nameplate, ~60 W). The...

How to Recover a Bricked IceRiver After Failed Firmware Upgrade

All IceRiver KS-series Kaspa miners — KS0, KS0 Pro, KS0 Ultra, KS1,...

HP 1500W Server PSU Breakout Overcurrent OVP Trip

HP DPS-1500EB A, DPS-1500FB A, HSTNS-PL11, HSTNS-PR16, HSTNS-PD19 server PSUs (1500 W...

HP DPS-1200FB Breakout Board Voltage Sense Pin Miswire

HP DPS-1200FB, DPS-1200FB-1A, DPS-1200FBA, DPS-1200QB, DPS-750RB-A and HSTNS-PD11 / 437572-B21 server PSUs...

HP DPS-1200QB Breakout Fan Pin Full-RPM Noise Fix

HP DPS-1200QB, DPS-1200FB, DPS-1200FB-1A, DPS-1200FBA, DPS-750RB-A and HSTNS-PD11 / 437572-B21 server PSUs...

HP DPS-800GB Breakout No PS_ON Signal

HP DPS-800GB, DPS-800GB A, DPS-800GN, HSTNS-PD05, 379123-001, 380622-001, 399771-001, 403781-001 server PSUs...

IceRiver 0 Hashrate / 0 ASIC Chips Detected: Hashboard Diagnosis

IceRiver KS0, KS0 Pro, KS0 Ultra, KS1, KS2, KS3, KS3L, KS3M, KS5,...

IceRiver 1004LV100 ASIC Chip Replacement Guide

IceRiver KS5, KS5L, KS5M (primary). Procedure transfers with package-size adjustments to legacy...

IceRiver 12038 Fan DIY Replacement (6000 RPM DF1203812B2UN)

IceRiver KS1, KS2, KS3, KS3L, KS3M, KS5L (and most KS5 / KS5M...

IceRiver Chip Count Mismatch (9, 26, 52): Partial Hashboard Failure

IceRiver KS0 (9 chips), KS3M (26 chips), KS5L (52 chips) — and...

IceRiver Error 110/111/120/121 Fan Speed Abnormal Fix

IceRiver KS1, KS2, KS3, KS3L, KS3M, KS5, KS5L, KS5M

IceRiver Error 140 Fan Overspeed: Causes and Fix

IceRiver KS1, KS2, KS3, KS3L, KS3M, KS5L, KS5M

IceRiver Error 300/301/302 Temperature Sensor Failure

IceRiver KS0, KS0 Pro, KS0 Ultra, KS1, KS2, KS3, KS3L, KS3M, KS5,...

IceRiver Error 350/351/352 Overheat Protection Triggered

IceRiver KS3, KS3L, KS3M, KS5, KS5L, KS5M - every Kaspa kHeavyHash KS-class...

IceRiver Error 710/712 Control Board Unstable

IceRiver KS0, KS0 Pro, KS0 Ultra, KS1, KS2, KS3, KS3L, KS3M, KS5,...

IceRiver Error 800/801/802 Firmware Update Failed

All IceRiver KS-series Kaspa miners — KS0, KS0 Pro, KS0 Ultra, KS1,...

IceRiver Error Codes: Complete Troubleshooting Reference (All KS Models)

All IceRiver KS-series Kaspa miners — KS0, KS0 Pro, KS0 Ultra, KS1,...

IceRiver Factory Reset Procedure (20-Second Hold + Red Light)

All IceRiver KS-series Kaspa miners — KS0, KS0 Pro, KS0 Ultra, KS1,...

IceRiver Fan Abnormal on Web Interface: Full Diagnosis

IceRiver KS1, KS2, KS3, KS3L, KS3M, KS5, KS5L, KS5M

IceRiver Firmware Downgrade / Rollback Guide

All IceRiver KS-series Kaspa miners — KS0, KS0 Pro, KS0 Ultra, KS1,...

IceRiver Green Power Indicator Flashing After 5 Minutes

IceRiver KS series — KS0, KS0 Pro, KS0 Ultra, KS1, KS2, KS3,...

IceRiver Hashboard LDO Voltage Fail: Domain Diagnosis

IceRiver KS0, KS0 Pro, KS0 Ultra, KS1, KS2, KS3, KS3L, KS3M, KS5L,...

IceRiver Hashboard Repair Service: Pricing and Turnaround

IceRiver KS0, KS0 Pro, KS0 Ultra, KS1, KS2, KS3, KS3L, KS3M, KS5,...

IceRiver Hashboard Ribbon Cable Reseat Fix (Low/No Hashrate)

IceRiver KS-series — KS0, KS0 Pro, KS1, KS2, KS3, KS3L, KS3M, KS5,...

IceRiver High Rejected Share Rate on Kaspa Pool (kHeavyHash)

IceRiver KS series — KS0, KS0 Pro, KS0 Ultra, KS1, KS2, KS3,...

IceRiver KS Hashboard Tester Fixture: Using It Yourself

IceRiver KS0, KS0 Pro, KS0 Ultra, KS1, KS2, KS3, KS3L, KS3M (KS5L...

IceRiver KS Miner Won’t Turn On / No LED Lights

IceRiver KS0, KS0 Pro, KS0 Ultra, KS1, KS2, KS3, KS3L, KS3M, KS5,...

IceRiver KS0 Overclocking Crash Recovery (xyys/tswift Firmware)

IceRiver KS0, KS0 Pro (and the closely-related KS0 Ultra, where xyys/tswift firmware...

IceRiver KS0 Pro Loud Fan Noise: Stock vs Aftermarket Solutions

IceRiver KS0 Pro (also applies to KS0, KS0 Ultra with cosmetic differences...

IceRiver KS0 Ultra / AL0 Underperforming Below 50C (Too Cold)

IceRiver KS0 (100 GH/s nameplate), KS0 Pro (200 GH/s nameplate), KS0 Ultra...

IceRiver KS0/KS0 Pro Fan Swap: 4010 Internal + 12025/12038 External

IceRiver KS0, KS0 Pro, KS0 Ultra (and AL0 sibling units sharing the...

IceRiver KS1/KS2 First Boot Setup Errors and Fixes

IceRiver KS1, IceRiver KS2

IceRiver KS3 vs KS3L vs KS3M Error Behavior Compared

IceRiver KS3, KS3L, KS3M (entire mid-tier KS3-class lineup of IceRiver kHeavyHash /...

IceRiver KS3/KS5 PSU Plug Melting Warning (200W Socket Limit)

IceRiver KS3, KS3L, KS3M, KS5, KS5L, KS5M (every KS-series unit running a...

IceRiver KS3M Indicator Lights Normal But No Hashrate (Pool Config)

IceRiver KS3M (also helpful for KS3, KS3L when symptoms match)

IceRiver KS5/KS5L Fan Not Spinning on Startup

IceRiver KS5, KS5L, KS5M. Closely related: KS3 / KS3L / KS3M (sibling...

IceRiver KS5L Hashrate Below 12T: Per-Board Diagnosis (4T/board)

IceRiver KS5L (12 TH/s nameplate), KS5M (15 TH/s, same chassis family), KS5...

IceRiver KS5L LED Indicator Codes (D1-D4) Diagnostic Guide

IceRiver KS5L (12T, 15T variants), KS5M, KS5 — same four-LED diagnostic block;...

IceRiver KS5L Won’t Power On: AC Input Voltage Range (180-285V)

IceRiver KS5L (also relevant to KS5M, KS3, KS3L, KS3M with the same...

IceRiver KS5L/KS5M PSU Failure: Low Headroom and Replacement

IceRiver KS5L, KS5M (also relevant to KS3, KS3L, KS3M with the same...

IceRiver Mining But Kaspa Rewards Not Showing in Wallet

IceRiver KS series — KS0, KS0 Pro, KS0 Ultra, KS1, KS2, KS3,...

IceRiver Network Port No Lights (Yellow Steady, Green Flashing)

IceRiver KS0, KS0 Pro, KS0 Ultra, KS1, KS2, KS3, KS3L, KS3M, KS5,...

IceRiver Not Showing on Network / Detect IP Button Guide

IceRiver KS0, KS0 Pro, KS0 Ultra, KS1, KS2, KS3, KS3L, KS3M, KS5,...

IceRiver Power Drops to 150W-200W: Diagnosing the Cause

IceRiver KS series — KS1 (400 W), KS2 (800 W), KS3 /...

IceRiver PSU Error 233-239 Overtemperature Protection

IceRiver KS3, KS3L, KS3M, KS5, KS5L, KS5M - the higher-density Kaspa kHeavyHash...

IceRiver Reset Button Red Status Light Blinking: What It Means

All IceRiver KS-series Kaspa miners — KS0, KS0 Pro, KS0 Ultra, KS1,...

IceRiver SD Card Reflash Recovery Procedure

All IceRiver KS-series Kaspa miners — KS0, KS0 Pro, KS0 Ultra, KS1,...

IceRiver Self-Check Fail at Boot / Stuck in Boot Loop

All IceRiver KS-series Kaspa miners — KS0, KS0 Pro, KS0 Ultra, KS1,...

IceRiver Single Hashboard 0 Hashrate + Cold (Dead Board Test)

IceRiver KS3, KS3L, KS3M, KS5, KS5L, KS5M (all multi-board KS chassis)

IceRiver Temp1/Temp2 Readings Explained (Optimal 50-60C)

IceRiver KS0, KS0 Pro, KS0 Ultra, KS3, KS3L, KS3M, KS5, KS5L, KS5M

IceRiver Temperature Abnormal Warning on Web Interface

IceRiver KS3, KS3L, KS3M, KS5, KS5L, KS5M - dual-sensor (Temp1/Temp2) Kaspa kHeavyHash...

IceRiver Warranty Void: Third-Party Firmware Risks (xyys/tswift)

IceRiver KS0, KS0 Pro, KS0 Ultra, KS1, KS2, KS3, KS3L, KS3M, KS5,...

IceRiver Web Hashrate vs Pool Hashrate Large Gap Explained

IceRiver KS0, KS0 Pro, KS1, KS2, KS3, KS3L, KS3M, KS5, KS5L, KS5M

IceRiver Web Interface 404 Error / Can’t Access Miner IP

IceRiver KS0, KS0 Pro, KS0 Ultra, KS1, KS2, KS3, KS3L, KS3M, KS5,...

Immersion Cooled Miner – Fluid Temperature Too High

Any immersion-cooled ASIC miner — Antminer S19 / S19j Pro / S19...

Immersion Cooling Biofouling Clogs Microchannels

Immersion-cooled ASICs running a secondary dielectric loop through chip-level microchannel cold-plates: Antminer...

Immersion Cooling Label Peeling — Adhesive Failure

Single-phase immersion-cooled tanks of any chassis brand running synthetic hydrocarbon dielectric. Specifically:...

Immersion Cooling Pump Failure Creates Hashboard Hotspot

Tank circulator pumps in single-phase immersion systems (Iwaki MD/MX, March, Liquidstack ChassisTank...

Immersion Cooling Silicone Thermal Pad Oil Bleed

Antminer S19 / S19 Pro / S19j Pro / S19 XP /...

Immersion Fluid Oxidation and Darkening Over Time

Single-phase immersion-cooled mining tanks of any chassis brand (Antminer, Whatsminer, Avalon, Bitaxe,...

Immersion Fluid Temp Creep from Undersized Heat Exchanger

Single-phase immersion tanks rejecting heat through a fluid-to-air dry cooler or a...

Immersion Tank First Fill — Contamination From Skipped DI Flush

Any miner deployed in a single-phase dielectric immersion tank during initial commissioning...

Innosilicon – Firmware Recovery Mode

Innosilicon T2T, T2Th+, T2Ti, T3+, T3H+, A10, A10 Pro, A11, A11 Pro...

Innosilicon A10 Pro – Fan Error

Innosilicon A10 Pro 500 MH/s · A10 Pro 720 MH/s · A10...

Innosilicon A10 Pro – Low Hashrate

Innosilicon A10 Pro 500 MH/s, A10 Pro 720 MH/s, A10 Pro+ 720...

Innosilicon T2T – Hashboard Not Detected

Innosilicon T2T (T2T-24T, T2T-25T, T2T-26T, T2T-28T, T2T-30T, T2T-32T), T2Turbo / T2Turbo+ retrofit...

Innosilicon T2T – Network Not Found

Innosilicon T2T (including T2T-24T, T2T-28T, T2T-30T, T2T-32T sub-variants)

Innosilicon T2T – PSU Compatibility

Innosilicon T2T (T2T-24T, T2T-25T, T2T-26T, T2T-28T, T2T-30T, T2T-32T), T2Turbo / T2Turbo+ retrofit...

Innosilicon T3+ – Control Board Failure

Innosilicon T3+, T3+ Pro, T3+ 57T, and related G19/G29-generation T-series chassis sharing...

Innosilicon T3+ – PSU Compatibility Issue

Innosilicon T3+ (T3+ 50TH, T3+ 52TH, T3+ 57TH); T3H+ shares PSU wiring...

Innosilicon T3+ – Temperature Too High

Innosilicon T3+ (T3+ 50TH, T3+ 52TH, T3+ 57TH), T3H+

Mean Well HLG Constant-Current Mode Wrong for Bitaxe

Mean Well HLG-60H, HLG-80H, HLG-100H, HLG-120H, HLG-150H, HLG-185H, HLG-240H, HLG-320H, HLG-480H, HLG-600H...

Mean Well LRS-600 Foldback Current Limit on Bitaxe GT

Mean Well LRS-600-12, LRS-600-24 (and by extension LRS-350, LRS-150) feeding Bitaxe (all...

Mean Well RSP Simultaneous-Start Inrush AC Breaker Trip

Mean Well RSP-1500 (12 V / 24 V / 27 V /...

mining.authorize Invalid Credentials — Pool-Side Reject

All BTC SHA-256 ASICs (Antminer S9/S17/S19/S19 XP/S21 series, Whatsminer M30S/M50S/M60S series, Avalon...

mining.subscribe Timeout — Pool Unreachable Checklist

All ASIC miners (Antminer, Whatsminer, Avalon, Innosilicon, Goldshell, Iceriver, Volcminer) and all...

Nerd Family – ESP32 Brownout Detector Triggered

NerdMiner v2 (WROOM and S3 variants), NerdAxe, NerdNOS, NerdQAxe, NerdQAxe++, NerdOctaxe, NerdOctaxe...

Nerd Family – ESP32-S3 PSRAM Not Detected

NerdQAxe, NerdQAxe+, NerdQAxe++, NerdOctaxe, and any community Nerd-family board built around an...

Nerd Family – europe.pool.ntp.org Blocked by Firewall

All Nerd-family / Bitaxe-family ESP32 / ESP32-S3 miners deployed in the EU:...

Nerd Family – Flash Encryption eFuse Burn Blocks Reflash

All ESP32-S3 Nerd / Bitaxe variants: Bitaxe Supra, Ultra, Hex, Gamma, GT,...

Nerd Family – Thermal Paste Degradation After 6-12 Months

All Bitaxe variants (Ultra BM1366, Supra BM1368, Gamma 601/602 BM1370, Hex 6x...

Nerd Family – WiFi IPv6-Only Network Connection Fail

All ESP32 / ESP32-S3-based open-source miners on an IPv6-only LAN — NerdMiner...

NerdAxe – BM1366 vs BM1368 Firmware Mismatch

NerdAxe 500G (BM1366 x1), NerdAxe community / experimental variants running BM1368 silicon,...

NerdAxe – Firmware Update Issues

NerdAxe, NerdAxe 500G, NerdNOS, ESP-Miner-NerdAxe forks (BM1366/BM1368/BM1370)

NerdAxe – Stuck Falling Back to AP Mode

NerdAxe (BM1366 + ESP32-S3). Applies to all NerdAxe board revisions running the...

NerdAxe – Web UI at 192.168.4.1 Unreachable

NerdAxe (BM1366 + ESP32-S3). Applies to all NerdAxe board revisions running the...

NerdAxe – WiFi Credentials Case Sensitivity Fail

NerdAxe (BM1366 + ESP32-S3). Applies to all NerdAxe board revisions running the...

NerdMiner – Block Height and BTC Price Not Updating

NerdMiner v2 — all variants. LILYGO TTGO T-Display (ESP32 + ST7789), LILYGO...

NerdMiner – Boot Loop After Web Tool Flash

NerdMiner v2 (ESP32 all variants) - LILYGO T-Dongle-S3 - LILYGO TTGO T-Display...

NerdMiner – Cannot Find 2.4GHz SSID

NerdMiner v2 on every supported ESP32 / ESP32-S3 board: LILYGO T-Display S3...

NerdMiner – Configuration Mode Fails on ESP32-WROOM-32

NerdMiner v2 flashed to ESP32-WROOM-32 / ESP32-Devkit1 targets. Includes bare `ESP32-WROOM-32` modules,...

NerdMiner – Display Black Screen Wrong TFT Pinout

LILYGO TTGO T-Display (ST7789 135x240), LILYGO T-Display-S3 (ESP32-S3 ST7789 170x320), ESP32-2432S028R Cheap...

Nerdminer – Display Not Working

NerdMiner v2 (LILYGO T-Display-S3, LILYGO T-Dongle-S3, TTGO T-Display, ESP32-WROOM-32 + SSD1306 OLED,...

NerdMiner – Erase All Flash Recovery Procedure

NerdMiner v2 (ESP32 / ESP32-S3 all variants) - LILYGO T-Dongle-S3 - LILYGO...

NerdMiner – LILYGO T-Dongle-S3 USB Unrecognized

LilyGo T-Dongle-S3 (ESP32-S3-FN8, 0.96" ST7735 80x160, 8 MB flash) running BitMaker-hub/NerdMiner_v2 firmware....

NerdMiner – NerdMinerAP Not Visible After Setup

NerdMiner v2 on all supported ESP32 board variants: ESP32-WROOM-32 / DevKit1, LILYGO...

NerdMiner – Not Receiving Block Templates

NerdMiner v2 — all hardware variants (LilyGo T-Display-S3, LilyGo T-Dongle-S3, ESP32-WROOM-32, ESP32-S3...

NerdMiner – NTP Time Wrong / Daylight Saving

NerdMiner v2 — all variants. LILYGO TTGO T-Display (ESP32 + ST7789), LILYGO...

NerdMiner – Partition Table Corrupt

Nerdminer v2 on ESP32-S3 — LILYGO TTGO T-Display S3 (16 MB), LILYGO...

NerdMiner – Pool Connection Retries Exhausted

NerdMiner v2 — every variant (LilyGO T-Display-S3, T-Dongle-S3, T-QT, ESP32-S3 reference, ESP32-WROOM-32,...

NerdMiner – Public-Pool.io Shares Stalled

NerdMiner v2 (all variants — LilyGO T-Display-S3, T-Dongle-S3, T-QT, ESP32-S3 reference, ESP32-WROOM-32,...

NerdMiner – Reset Button 5-Second Hold Not Working

NerdMiner v2 across every supported variant - LILYGO T-Display S3, LILYGO T-Dongle...

NerdMiner – Serial Output Garbled / Wrong Baud Rate

All NerdMiner v2 supported boards: LilyGo T-Dongle-S3, LilyGo T-Display S3, LilyGo T-QT...

NerdMiner – solo.ckpool.org DNS Resolution Failure

Nerdminer all variants — LILYGO T-Display-S3, T-Dongle-S3, ESP32-2432S028 (CYD), ESP32-WROOM-32 dev boards,...

NerdMiner – Submits Invalid Shares Below 1e-9

NerdMiner v2 (all variants) - LILYGO T-Dongle-S3 - LILYGO TTGO T-Display S3...

NerdMiner – Taproot bc1p Address Rejected by Pool

NerdMiner v2 (LilyGo T-Display-S3, LilyGo T-Dongle-S3, ESP32-WROOM-32, ESP32-S3 reference boards) — every...

NerdNOS – API Endpoint Unreachable After Flash

NerdNOS on QAxe, NerdQAxe, NerdQAxe+, NerdQAxe++, NerdQAxe++ Hydro, Bitaxe Hex variants flashed...

NerdNOS – Firmware Flash Incompatible Hardware

NerdNOS flashed onto Bitaxe Ultra (201/202/204/205/207, BM1366), Bitaxe Supra (401, BM1368), Bitaxe...

NerdOctaxe – 200W+ PSU Undersized Shutdown

NerdOctaxe Gamma, NerdOctaxe Titan, NerdOctaxe rev 3.1 (any 8x BM1370 variant on...

NerdOctaxe – Chips 6-7 Not Enumerated on Boot

NerdOctaxe (8x BM1368 configuration, ~9.6 TH/s class)

NerdOctaxe – ECO Mode Won’t Disable

NerdOctaxe, NerdOctaxe Gamma (8x BM1368 configuration on ESP32-S3 running NerdOS firmware)

NerdOctaxe – Thermalright AXP90 Cooler Loose

NerdOctaxe Gamma (dual Thermalright AXP90-X53 cooler revision)

NerdOctaxe – Uneven Hashrate Across 8 Chips

NerdOctaxe, NerdOctaxe Gamma (8x BM1370 configuration)

NerdQAxe – 0.0 GH/s With WiFi Connected

NerdQAxe (4x BM1370, ~1.2-1.8 TH/s class), NerdQAxe++ (4x BM1370, ~4.8 TH/s class),...

NerdQAxe – Bricked After OTA Firmware Update

NerdQAxe, NerdQAxe+, NerdQAxe++, NerdQAxe++ Hydro

NerdQAxe – Chain Break / Missing ASIC Chips on Boot

NerdQAxe (4x BM1368, ~1.7 TH/s class), NerdQAxe+ (4x BM1368, ~2.5 TH/s class)

NerdQAxe – Fan Not Spinning After Firmware Update

NerdQAxe, NerdQAxe+, NerdQAxe++, NerdQAxe++ Hydro

NerdQAxe – Hardware Errors Spiking After Overclock

NerdQAxe (4x BM1368, ~1.7 TH/s class), NerdQAxe+ (4x BM1368, ~2.5 TH/s class)....

NerdQAxe – High Rejected Share Rate

NerdQAxe, NerdQAxe+, NerdQAxe++, NerdQAxe++ Hydro, NerdQAxe++ Remastered (4x BM1368)

NerdQAxe – Low Hashrate on One Chip

NerdQAxe++, NerdQAxe+, NerdQAxe (4x BM1368, shufps ESP-Miner-NerdQAxePlus firmware fork)

NerdQAxe – Overheat Mode at 75C Shutdown

NerdQAxe, NerdQAxe++, NerdQAxe++ Hydro (firmware esp-miner-nerdqaxeplus and esp-miner-nerdqaxeplus2)

NerdQAxe – Web Flasher COM Port Not Detected

NerdQAxe (4x BM1368, ESP32-S3 host) - NerdQAxe+ (4x BM1368, ESP32-S3 host) -...

NerdQAxe – WiFi 5GHz Network Not Visible

NerdQAxe (4x BM1370, ~1.2-1.8 TH/s class), NerdQAxe+ / NerdQAxePlus, NerdQAxe++ (~4.8 TH/s...

NerdQAxe++ – PSU Error Guru Meditation #0000015

NerdQAxe, NerdQAxe+, NerdQAxe++ (rev 4, rev 6, rev 6.1), NerdQAxe++ Hydro

NerdQAxe++ – Undersized 12V PSU / XT30 Amp Fault

NerdQAxe, NerdQAxe++, NerdQAxe++ Hydro (any variant fed through XT30 12V input)

NerdQAxe++ Hydro – Air Bubble in Coolant Loop

NerdQAxe Hydro, NerdQAxe+ Hydro, NerdQAxe++ Hydro (BM1370 x4 water-block edition); any community...

NerdQAxe++ Hydro – Pump Not Circulating Coolant

NerdQAxe++ Hydro (BM1370 x4, water-block edition); any community NerdQAxe build running a...

O-Ring Gasket Swelling in Hydrocarbon Dielectric Fluid

Single-phase immersion-cooled mining tanks of any chassis brand (Antminer, Whatsminer, Avalon, etc....

Ocean Pool DATUM Template Error

Any Bitcoin miner pointed at Ocean — Bitaxe (Supra, Ultra, Hex, Gamma,...

PiAxe – 12V DC Rail Undervoltage Drops RPi

PiAxe HAT on Raspberry Pi 4 (5V/3A USB-C), Raspberry Pi 5 (5V/5A...

PiAxe – BM1366 Serial UART Communication Error

PiAxe (Raspberry Pi + single BM1366 ASIC) on Pi 2 / Pi...

PiAxe – Hashrate Below 400 GH/s Target

PiAxe (Raspberry Pi HAT carrying a single `BM1366` ASIC, 76 cores) on...

PiAxe – pip3 requirements install break-system-packages

PiAxe (shufps/piaxe — Raspberry Pi + single BM1366 ASIC) running piaxe-miner /...

PiAxe – Pool Authorization Password Rejected

PiAxe (Raspberry Pi Zero 2 W / 3 / 4 / 5...

PiAxe – Pyminer Stratum Connection Interrupted

PiAxe (Raspberry Pi Zero 2 W / 3 / 4 / 5...

PiAxe – systemd Service pyminer Not Starting on Boot

PiAxe (shufps/piaxe carrier + single BM1366 ASIC) on Raspberry Pi 2 /...

Pool Difficulty Variance — Share Rejection Spike Explained

All miners pointed at variable-difficulty (vardiff) pools — Antminer S9, S17, S19,...

Pool Failover Instant Fallback Loop Between Primary/Backup

All ASIC miners (Antminer S9 / S17 / S19 / S21 series,...

Pool SSL/TLS Handshake Failed — Certificate Errors

All ASIC families (Antminer S9/S17/S19/S21 series, Whatsminer M30/M50/M60 series, Avalon 1166-1566, Iceriver...

PSU Crowbar OVP Latched — How to Reset

Cross-cutting: all ASIC + Bitaxe PSUs with crowbar-class OVP. Includes Bitmain APW3++/APW7/APW9/APW9+/APW12;...

Public Pool ESOCKETTIMEDOUT on getmininginfo

Self-hosted Public Pool on Umbrel, Start9, RaspiBlitz, MyNode, or standalone Docker —...

Public Pool Miner Not Registering on Umbrel Node

Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma, Bitaxe GT, Bitaxe Hex, Bitaxe Max;...

Router NAT Table Overflow — Miners Drop From Pool

Multi-miner home setups behind any consumer-grade router: TP-Link Archer / Asus RT-AX...

Rumored IceRiver Capacitor Failures: What We Know (2026 Update)

IceRiver KS3, KS3L, KS3M, KS5, KS5L, KS5M (community rumor concentrates on KS5L;...

Sealed Immersion Tank Overpressure — Relief Valve Trip

Sealed single-phase immersion tanks (mineral oil, synthetic ester, hydrocarbon dielectric, ElectroSafe-class fluids)...

Server PSU Breakout Burnt Wire — 2-Hot 3-Ground Rule

HP DPS-1200/DPS-1600/DPS-2400 server PSUs; Dell N750P / D750E / Z1100P; Delta DPS-1200/DPS-2000;...

set_extranonce Race Condition — Missed Solo Block

Open-source / solo-pool miners: Bitaxe (Supra, Ultra, Gamma, GT, Hex, Max), NerdMiner,...

Solo Block Found but Not Credited — Verification Checklist

Open-source / solo-pool miners: Bitaxe (Supra, Ultra, Gamma, GT, Hex, Max), NerdMiner,...

Solo CKPool vs Public Pool Stratum Differences

Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma, Bitaxe GT, Bitaxe Hex, Bitaxe Max,...

Solo Mining Shows Zero Shares for Hours — Is It Broken?

Bitaxe Supra, Bitaxe Ultra, Bitaxe Gamma, Bitaxe GT, Bitaxe Hex, Bitaxe Max;...

Solo Wallet Address Mismatch — Block Reward Lost

Every solo miner pointed at an address-authenticated pool: Bitaxe (Supra, Ultra, Gamma,...

Stale Shares from High-Latency Pool Connection

All ASIC and open-source miners that connect to a remote stratum pool:...

StealthMiner – cgminer Compatibility / Missing Driver

D-Central StealthMiner residential mining heater — every edition (recycled Antminer S17 /...

StealthMiner – USB Device Not Recognized

D-Central StealthMiner (S17 / S19 / S19j Pro / S19k Pro recycled-hashboard...

Stratum Connection Failed — Cross-Miner Troubleshooting

All Antminer (S9 / S17 / S19 / S21 / L7 /...

Stratum Proxy Disconnects Worker After Timeout

Any miner behind a stratum proxy: ckpool / ckpool-proxy, slush0 stratum-proxy, Braiins...

Stratum V1 vs V2 Protocol Mismatch — Miner Won’t Connect

All ASIC and open-source miners running Braiins OS+, DCENT_OS, LuxOS, Vnish, stock...

Volcminer D1 Default Password and Factory Reset Guide

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro —...

Volcminer D1 Fan Error and Fan Speed Failure Fix

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro

Volcminer D1 Firmware Update: Upgrade Process and Common Errors

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro

Volcminer D1 Hashboard Chain Detection Error: ASIC Chips Not Found

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro

Volcminer D1 High Reject Rate and Stale Shares

VolcMiner D1, D1 Lite, D1 Hydro

Volcminer D1 Hydro Coolant Leak and Water Cooling Issues

VolcMiner D1 Hydro

Volcminer D1 Low Hashrate: Underperforming the 17GH Spec

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro -...

Volcminer D1 LTC + DOGE Merged Mining Setup Guide

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro

Volcminer D1 Mini Pre Setup Problems and First-Boot Errors

VolcMiner D1 Mini Pre (lower-power Scrypt, ~2.2 GH/s, ~527 W); also covers...

Volcminer D1 Network Disconnect and Ethernet Not Connecting

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro

Volcminer D1 Noise Reduction: Managing 75dB+ Operation at Home

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro

Volcminer D1 Not Hashing or Zero Hashrate: Diagnosis and Fix

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro

Volcminer D1 Overheating and Temperature Throttling Fix

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro -...

Volcminer D1 Pool Connection Failed: Stratum Error Fix

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro

Volcminer D1 Power Supply Failure and PSU Replacement

VolcMiner D1, D1 Lite, D1 Hydro (Scrypt LTC/DOGE/BEL merged-mining family)

Volcminer D1 Repeatedly Restarting or Reboot Loop Fix

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro

Volcminer D1 Troubleshooting Guide: Fixing Common LTC/DOGE Miner Errors

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro —...

Volcminer D1 vs Antminer L7 vs Goldshell Scrypt Miner Comparison

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro vs...

Volcminer D1 Web Interface Not Loading: Can’t Access Dashboard

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro —...

Volcminer D1 Won’t Turn On: No Lights or Fan Spin

VolcMiner D1, D1 Lite, D1 Mini, D1 Mini Pre, D1 Hydro

VPN Breaks Pool Stratum Handshake

All miners on a home VPN — Bitaxe (Supra/Ultra/Hex/Gamma/GT/Max), NerdAxe, NerdQAxe, NerdMiner,...

Whatsminer – Bootloader Corrupt SD Card Recovery

Whatsminer M20S, M21S, M30, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S,...

Whatsminer – Cannot Access Web Interface After Reset

Whatsminer M20, M21, M30S, M30S+, M30S++, M31S, M50, M50S, M50S+, M50S++, M53,...

Whatsminer – DHCP IP Not Assigned

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32, M33, M50, M50S,...

Whatsminer – Ethernet Auto-Negotiation Failed

Whatsminer M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M50S++, M53,...

Whatsminer – Factory Reset via Button

Whatsminer M20, M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M50, M50S, M50S+,...

Whatsminer – Firmware Flash Write Failure

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32, M33, M50, M50S,...

Whatsminer – Firmware Update via MinerTool

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M32, M50S, M50S+, M50S++, M53,...

Whatsminer – Firmware Upgrade Stuck In Progress

Whatsminer all series — M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32,...

Whatsminer – LED Status Code Reference

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M50, M50S, M50S+, M50S++,...

Whatsminer – MinerTool Connection Timeout

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M50, M50S, M50S+, M50S++, M53,...

Whatsminer – MinerTool Diagnostic Codes

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M50, M50S, M50S+, M50S++,...

Whatsminer – Network Configuration Reset

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M50, M50S, M50S+, M50S++, M53,...

Whatsminer – NTP Time Sync Failed

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+,...

Whatsminer Error 110 – Fanin Detect Speed Error

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+,...

Whatsminer Error 111 – Fanout Detect Speed Error

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+,...

Whatsminer Error 120 / 121 – Fan Speed Below 2000 RPM

All air-cooled MicroBT Whatsminer models running BTMiner firmware: M20S, M21S, M30S, M30S+,...

Whatsminer Error 130 / 131 – Fan Speed Below 3000 RPM

Whatsminer M30S++, M50S/M50S+/M50S++, M53S+, M56S, M60/M60S/M60S+, M63/M63S+, M66/M66S — the higher-tier BTMiner...

Whatsminer Error 140 – Fan Speed Too High

Whatsminer M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M50S++, M53S+,...

Whatsminer Error 200 – Power Probing Error No Power Found

Whatsminer M20S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M50S++,...

Whatsminer Error 2000 – No Pool Configured

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32, M33, M50, M50S,...

Whatsminer Error 2010 – All Pools Disabled

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32, M33, M50, M50S,...

Whatsminer Error 202 / 203 – PSU Voltage or Temperature Protection

Whatsminer air-cooled M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M50S++,...

Whatsminer Error 2020-2022 – Stratum Pool Connection Failed

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+,...

Whatsminer Error 2040 – ASICboost Not Supported By Pool

Whatsminer M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M50S++, M60,...

Whatsminer Error 205 – PSU Output Current Error

Whatsminer M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M50S++, M5x...

Whatsminer Error 206 – Low Input Voltage Detected

Whatsminer M30S, M30S+, M30S++, M31S, M32, M50, M50S, M60 (all BTMiner-based models...

Whatsminer Error 218 – Voltage Below 230V in High Performance Mode

Whatsminer M5x/M6x family running BTMiner firmware with HP mode capability: M30S++, M50S+,...

Whatsminer Error 2310-2350 – Low Hash Rate Warning

M20S · M21S · M30S · M30S+ · M30S++ · M31S ·...

Whatsminer Error 233-238 – PSU Output Protection Triggered

Whatsminer air-cooled M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M50S++,...

Whatsminer Error 240 – Low Voltage Protection Shutdown

All Whatsminer air-cooled and hydro chassis running stock BTMiner: M30S, M30S+, M30S++,...

Whatsminer Error 263 / 264 – PSU Communication Error

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+,...

Whatsminer Error 268 – PSU Current Imbalance

Whatsminer air-cooled M30S, M30S+, M30S++, M50, M50S running stock BTMiner firmware. The...

Whatsminer Error 270 – Power Input Overvoltage Protection

Whatsminer all series. Air-cooled M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S,...

Whatsminer Error 271 – Power Input Undervoltage Protection

All Whatsminer series — M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32,...

Whatsminer Error 272 – Excessive Power Output Warning

Whatsminer air-cooled M30S++, M50S+, M50S++, M60S, M60S+ (high-tune classes most prone to...

Whatsminer Error 275 – Power Supply Over-Temperature Warning

Whatsminer all series. Air-cooled M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S,...

Whatsminer Error 300 – Hashboard SM0 Temperature Sensor Failure

Whatsminer M20S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M60...

Whatsminer Error 301 – Hashboard SM1 Temperature Sensor Failure

All three-hashboard MicroBT air-cooled generations: Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S,...

Whatsminer Error 302 – Hashboard SM2 Temperature Sensor Failure

Whatsminer M20S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M50S++,...

Whatsminer Error 350-352 – Hashboard High Temperature Protection

Whatsminer M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M50S++, M60,...

Whatsminer Error 410-412 – Hashboard EEPROM Read Error

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+,...

Whatsminer Error 5070-5072 – Water Velocity Abnormal

Whatsminer M30S++ Hydro · M33S+ · M33S++ · M53 · M53S ·...

Whatsminer Error 510-512 – Hashboard Type Mismatch

Whatsminer M30S, M30S+, M30S++, M31S, M32, M50, M50S, M50S+, M50S++, M60, M60S...

Whatsminer Error 530-532 – Hashboard Not Found

Whatsminer M20S, M30S, M30S+, M30S++, M31S, M32, M50, M50S, M50S+, M50S++, M60,...

Whatsminer Error 540-542 – Chip ID Read Failure

Whatsminer M20S, M30S, M30S+, M30S++, M31S, M32, M50, M50S, M50S+, M50S++, M53,...

Whatsminer Error 550-552 – Bad ASIC Chips Detected

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+,...

Whatsminer Error 560-562 – Hashboard Loss of Balance

Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+,...

Whatsminer Error 600 – Environment Temperature Too High

All Whatsminer models running BTMiner firmware with the Error 600 fault map:...

Whatsminer Error 610 – High Profile Mode Temperature Fallback

Whatsminer models that expose the high-power / turbo profile in BTMiner: M30S++,...

Whatsminer Error 701 – Control Board Chip Incompatibility

Whatsminer M20S, M21S, M30, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S,...

Whatsminer Error 710 – Control Board Exception Reboot

Whatsminer M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M60 -...

Whatsminer Error 714 – Network Connection Lost

Whatsminer M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M50S++, M60,...

Whatsminer Error 800-802 – Firmware Checksum Error

Whatsminer M20S · M21S · M30S / M30S+ / M30S++ · M31S...

Whatsminer Error 810 / 820 – Wrong Firmware Water vs Air

M33 · M53 · M53S · M56 · M56S · M63 ·...

Whatsminer Error 8410 – Wrong Firmware For Model

Whatsminer M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M50S++, M53,...

Whatsminer Hydro – Quick Connector Seal Broken Alarm

Whatsminer M53, M53S, M53S+, M53S++, M56, M56S, M56S+, M56S++ Hydro

Whatsminer Hydro – Water Leak Alarm Trip

Whatsminer M33S+, M33S++, M53, M53S, M53S+, M53S++, M63, M63S, M63S+, M64 Hydro

Whatsminer Immersion – Dielectric Fluid Level Low

Whatsminer immersion variants — M36S+, M36S++, M53, M53S, M56, M56S, M56S+, M56S++,...

Whatsminer Immersion – Dielectric Fluid Temperature High

Whatsminer hashboards in single-phase immersion tanks — M36S+, M56, M56S, M56S+, M56S++,...

Whatsminer M20S – Hashboard Chip Void Repair Procedure

Whatsminer M20S (68 TH/s), M20S+ (rebadged 70 TH/s units sharing the KF1921...

Whatsminer M21S – Low Hashrate Per-Board Diagnosis

Whatsminer M21S — all variants (M21S 50T, 52T, 54T, 56T; sometimes labelled...

Whatsminer M30S – Control Board Failure

Whatsminer M30S, M30S+, M30S++

Whatsminer M30S – Environmental Sensor Error

Whatsminer M30S, M30S+, M30S++ (M30V1 / M30V2 / M30V3 hardware revisions; button-board...

Whatsminer M30S – Fan Speed Error

Whatsminer M30S, M30S+, M30S++ (same 4x 12V 6-wire 12038 axial fan chassis)....

Whatsminer M30S – Firmware Recovery Mode

Whatsminer M30S, M30S+, M30S++ (BTminer families 20201222.x through 20251209.x)

Whatsminer M30S – Hashboard Not Detected

Whatsminer M30S, M30S+, M30S++ (custom MicroBT silicon — 3 × 105 chips...

Whatsminer M30S – Hashrate Fluctuation

Whatsminer M30S, M30S+, M30S++ (M30V10 / M30V20 / M30V30 hardware revisions)

Whatsminer M30S – Internal PSU Board Failure

Whatsminer M30S, M30S+, M30S++

Whatsminer M30S – LED Fast Red Blink

Whatsminer M30S · M30S+ · M30S++ (M30V1 / M30V2 / M30V3 hardware...

Whatsminer M30S – LED Slow Red Blink

M30S · M30S+ · M30S++ (same control-board LED schema, firmware-dependent on build...

Whatsminer M30S – Low Hashrate

Whatsminer M30S, M30S+, M30S++ (BM1375 / BM1398-adjacent custom MicroBT silicon — M30S...

Whatsminer M30S – MinerTool Cannot Connect

Whatsminer M30S, M30S+, M30S++

Whatsminer M30S – Power Supply Failure

Whatsminer M30S, M30S+, M30S++

Whatsminer M30S – Rattling Noise

Whatsminer M30S, M30S+, M30S++

Whatsminer M30S – Share Rejection Spike

Whatsminer M30S, M30S+, M30S++ (M30V1/M30V2/M30V3 hardware revisions)

Whatsminer M30S – Temperature Too High

Whatsminer M30S, M30S+, M30S++ (M30V1 / M30V2 / M30V3 hardware revisions -...

Whatsminer M30S – Water Cooling Leak Detection

Whatsminer M30S++ Hydro, M33S++, M53, M53S, M56, M56S (hydro variants), and any...

Whatsminer M30S+ – Voltage Domain Failure

Whatsminer M30S+ primarily; same failure mode also seen on M30S and M30S++...

Whatsminer M30S++ – Buck-Boost Regulator Failure

Whatsminer M30S++, M30S++ V10, M30S++ V20 (BM1262 / BM1262AA hashboards). Same buck-boost...

Whatsminer M31S+ – PLL Not Locked on Hashboard

Whatsminer M31S+ (primary), M31S, M30S, M30S+, M30S++, M32 (shared M3x-family hashboard architecture,...

Whatsminer M32 – Chip Temp Sensor NAK

Whatsminer M32, M32S — the SHA-256 transitional generation between the M30S and...

Whatsminer M33 – Hydro Variant Not Starting

Whatsminer M33 Hydro, M33S Hydro, M33S+ Hydro, M33S++ Hydro (the original water-cooled...

Whatsminer M50+ – Hashboard Short Circuit Detected

Whatsminer M50+ (primary). Same fault topology applies to M50, M50S, M50S+, M50S++...

Whatsminer M50S – Control Board Not Responding

Whatsminer M50S, M50S+, M50S++

Whatsminer M50S – Fan Speed Error

Whatsminer M50S, M50S+, M50S++

Whatsminer M50S – Grinding Fan Noise

Whatsminer M50S, M50S+, M50S++ (procedure overlaps with M30S, M53S, M56S, M60S —...

Whatsminer M50S – Hashboard Error via MinerTool

M50S (primary) · M50S+ · M50S++ · related procedures apply to M50,...

Whatsminer M50S – Hashboard Not Detected

Whatsminer M50S (applicable to M50, M50S+, M50S++ with minor voltage deltas)

Whatsminer M50S – Low Hashrate

Whatsminer M50S · M50S+ · M50S++ (SHA-256 air-cooled lineup, BM1398-class MicroBT silicon...

Whatsminer M50S – MinerTool Firmware Update Failed

M50S (primary) · M50 · M50S+ · M50S++ — procedures carry to...

Whatsminer M50S – Overclocking Instability

Whatsminer M50S, M50S+, M50S++

Whatsminer M50S – Power Limit Triggered

Whatsminer M50S, M50S+, M50S++

Whatsminer M50S – Power Supply Failure

Whatsminer M50S, M50S+, M50S++

Whatsminer M50S – Temperature Too High

Whatsminer M50S, M50S+, M50S++

Whatsminer M50S+ – Voltage Domain Overcurrent Trip

Whatsminer M50S+ (all hashboard hardware revisions, BTMiner builds 2023.x through current). Closely...

Whatsminer M50S++ – Firmware Boot Hang On Splash

Whatsminer M50S++ — all hashrate bins (142, 144, 146, 148, 150 TH/s);...

Whatsminer M53 – Hydro Loop Airlock Preventing Startup

Whatsminer M53 (228-262 TH/s); same coldplate manifold and QD design family: M33S+,...

Whatsminer M53S+ – Thermal Runaway Shutdown

Whatsminer M53S+ · M53S++ — same chassis platform; failure mode shared with...

Whatsminer M56S – Temperature Too High

Whatsminer M56S (hydro-cooled)

Whatsminer M60S – Chip Bin Mismatch

Whatsminer M60S, M60S+, M60S++

Whatsminer M60S – Control Board Boot Loop

Whatsminer M60S, M60S+, M60S++

Whatsminer M60S – Fan Speed Error

Whatsminer M60S, M60S+, M60S++ (same SM3-generation chassis and 4-fan PWM layout)

Whatsminer M60S – Firmware Rollback Failed

Whatsminer M60S, M60S+, M60S++

Whatsminer M60S – Firmware Signature Verification Failed

Whatsminer M60S, M60S+, M60S++

Whatsminer M60S – Hashboard Not Detected

Whatsminer M60S, M60S+, M60S++ (same SM3-generation hashboard architecture)

Whatsminer M60S – Power Supply Failure

Whatsminer M60S, M60S+, M60S++

Whatsminer M60S – PSU Efficiency Drop

Whatsminer M60S, M60S+, M60S++

Whatsminer M60S – Temperature Too High

Whatsminer M60S, M60, M60S+, M60S++ (shared control-board thermal pipeline)

Whatsminer P21 PSU No Output — Loose Copper Bar Screws

Whatsminer P21 PSU and shared-hardware-revision P21+ units, deployed on Whatsminer M30S, M30S+,...

Whatsminer P21E Unstable Output Voltage and Ripple

Whatsminer P21E PSU — paired with Whatsminer M30S, M30S+, M30S++ (M30S+ era);...

Whatsminer P221B Hex Fault Code Decoder (0x0040–0x2000)

Whatsminer P221B PSU — `12V/265A` main + `12V/15A` aux, `220–240 V AC`...

Whatsminer PSU Firmware Upgrade Failed via Test Fixture

Whatsminer P21, P21D, P21E, P221B, P221C, P222B, P222C PSUs paired with H3...

ZY12PDN PD Trigger Set Wrong Voltage Damaged Bitaxe

Bitaxe Supra (board 401/402, single BM1368, 5V/6A barrel), Bitaxe Ultra (board 204,...

ASIC Troubleshooting Database

Most Common Issues

Antminer S19 – Temperature Too High (Temp1/Temp2 > 95°C)

Antminer S19 – Hashboard Not Detected (0 ASIC)

Antminer S9 – Fan Speed Error

Whatsminer M30S – Power Supply Failure

Antminer S19 – Firmware Update Failed

Antminer S19 – Cannot Connect to Pool

Bitaxe – Not Hashing / Zero Hashrate

Antminer S21 – PSU Overcurrent Protection

All Error Codes

12V Rail Sag — Hashboard Brownout Under Load

Antminer – 220V to 110V Wrong Connection

Antminer – APW PSU Fan Failure

Antminer – APW PSU Not Powering On

Antminer – Autotune Firmware Crash

Antminer – BHB42 BMMiner Version Mismatch

Antminer – CGMiner / BMMiner Crash

Antminer – Control Board Beeping

Antminer – Control Board Clock Drift

Antminer – Control Board Ethernet Port Failure

Antminer – Custom Firmware Bricked Control Board

Antminer – Factory Reset Procedure

Antminer – Fan Blade Damage Noise

Antminer – Fan RPM Too Low

Antminer – Firmware Corrupted / Bricked

Antminer – Green LED No Hashing

Antminer – Hashboard Short Circuit

Antminer – IP Report Button Not Working

Antminer – LED Blinking Red/Green

Antminer – LED Indicator Red Solid

Antminer – Loose Heatsink Rattle

Antminer – Power Surge Damage

Antminer – PSU Voltage Out of Range

Antminer – RTC Battery Dead

Antminer – SD Card Corruption

Antminer – SSH Connection Refused

Antminer – SSH Connection Refused (Network)

Antminer – Stratum V2 Connection Issue

Antminer – Undervolting Too Aggressive

Antminer – Web Interface Not Loading

Antminer D9 – Temperature Too High

Antminer KA3 – Temperature Too High

Antminer L3+ – Hashboard Not Detected

Antminer L3+ – Temperature Too High

Antminer L7 – Fan Speed Error

Antminer L7 – Hashboard Not Detected

Antminer L7 – Low Hashrate

Antminer L7 – Power Cable Overheating

Antminer L7 – Temperature Too High

Antminer L7 – Vibration Noise

Antminer S17 – Fan Speed Error

Antminer S17 – Hashboard Not Detected

Antminer S17 – Low Hashrate

Antminer S17 – Temperature Too High

Antminer S19 – 110V Insufficient Power

Antminer S19 – Abnormal Fan Noise

Antminer S19 – ASIC Chip Temperature Imbalance

Antminer S19 – Cannot Connect to Pool

Antminer S19 – Control Board Not Booting

Antminer S19 – Control Board Power Connector Damage

Antminer S19 – eMMC Failure

Antminer S19 – Fan Grinding Noise

Antminer S19 – Fan Speed Error

Antminer S19 – Filesystem Full Error

Antminer S19 – Firmware Update Failed

Antminer S19 – Hashboard Initialization Failure

Antminer S19 – Hashboard Not Detected (0 ASIC)

Antminer S19 – Hashboard Voltage Error

Antminer S19 – High Hardware Error Rate

Antminer S19 – High Rejected Share Rate

Antminer S19 – Inlet/Outlet Temperature Differential Too High

Antminer S19 – Kernel Log Errors

Antminer S19 – Kernel Panic After OC

Antminer S19 – Low Hashrate (Missing ASIC Chips)

Antminer S19 – PSU Overcurrent Protection

Antminer S19 – SD Card Firmware Flash Not Working

Antminer S19 – Temp Sensor Failure

Antminer S19 – Temperature Too High (Temp1/Temp2 > 95°C)

Antminer S19 Hydro – Coolant Temperature Too High