Open-Source Troubleshooting Guide
118 error codes and fixes for Open-Source ASIC miners.
mining.subscribe Timeout — Pool Unreachable Checklist
All ASIC miners (Antminer, Whatsminer, Avalon, Innosilicon, Goldshell, Iceriver, Volcminer) and all...
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...
Stratum V1 vs V2 Protocol Mismatch — Miner Won’t Connect
All ASIC and open-source miners running Braiins OS+, DCENT_OS, LuxOS, Vnish, stock...
Stratum Connection Failed — Cross-Miner Troubleshooting
All Antminer (S9 / S17 / S19 / S21 / L7 /...
ASIC 220V vs 110V Power Derating Explained
All ASIC miners on dual-voltage PSUs — Bitmain APW3++, APW7, APW9, APW9+,...
12V Rail Sag — Hashboard Brownout Under Load
Cross-cutting: every external-PSU ASIC miner — Antminer S9 / S17 / S19...
Bitaxe Gamma Barrel Jack Undervolt Boot Loop
Bitaxe Gamma (BM1370 single-chip, boards 601 / 602 / 600-ESP-MON16) primary. Reproduces...
Bitaxe USB-C PD Trigger Negotiation Failure
Bitaxe Supra (BM1368, 5V barrel jack), Bitaxe Ultra (BM1366, 5V barrel jack),...
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;...
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...
Whatsminer P221B Hex Fault Code Decoder (0x0040–0x2000)
Whatsminer P221B PSU — `12V/265A` main + `12V/15A` aux, `220–240 V AC`...
Whatsminer P21 PSU No Output — Loose Copper Bar Screws
Whatsminer P21 PSU and shared-hardware-revision P21+ units, deployed on Whatsminer M30S, M30S+,...
APW12 Red LED Fault and Diagnostic Codes
Bitmain APW12 (12V) PSU — paired with Antminer S19, S19 Pro, S19j...
APW9 Intermittent Shutdown After Heat Soak
Bitmain APW9, APW9+ — paired with Antminer S17, S17 Pro, S17+, S17e,...
APW7 Low Line Voltage Standby Cycling Under 205V
Bitmain APW7 (1800W) — typically paired with Antminer S9, S9i, S9j, S9k,...
Goldshell – CPBO Failed to Startup Error
KD-BOX - KD-BOX Pro - KD-BOX II - HS-BOX - ST-BOX -...
Goldshell HS5 / KA-BOX – Persistent High Temperature
Goldshell HS5 - HS-BOX - KA-BOX - KA-BOX 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 – Fan RPM Error / Loud Bearing Noise
Goldshell KD5, KD6, KD-MAX, LT5, LT5 Pro, LT6, LT-LITE, HS5, CK5, CK6,...
Goldshell – Random Crashes / Reboots Every Few Days
KD-BOX - KD-BOX Pro - KD-BOX II - KD5 - KD6 -...
Goldshell KD-BOX Pro – Not Hashing After Setup
Goldshell KD-BOX Pro (adjacent symptoms on KD-BOX II)
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 – Firmware Update Fails / Stuck at X%
Every Goldshell BOX-series miner — 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 – Chip Init Failed on Startup
KD-BOX - KD-BOX Pro - KD-BOX II - KD5 - KD6 -...
Goldshell CK6 – Hashboard Hashrate Below 80%
Goldshell CK6, CK5, CK-BOX
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 – Dashboard Flipping Between 0 H/s and Pool Error
KD-BOX Pro · KD-BOX II · LT5 · LT5 Pro · LT6...
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