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Open-Source Troubleshooting Guide

201 error codes and fixes for Open-Source ASIC miners.

201 results
NERDQAXE_REJECT_HIGH Warning

NerdQAxe – High Rejected Share Rate

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

Moderate DIY
NERDQAXE_CHAIN_BREAK Warning

NerdQAxe – Chain Break / Missing ASIC Chips on Boot

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

Advanced DIY
NERDQAXE_HYDRO_BUBBLE Warning

NerdQAxe++ Hydro – Air Bubble in Coolant Loop

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

Easy DIY
NERDQAXE_FLASH_COM Warning

NerdQAxe – Web Flasher COM Port Not Detected

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

Easy DIY
BITAXE_GURU_PANIC Warning

Bitaxe – ESP32 Guru Meditation Error / Kernel Panic Backtrace

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

Moderate DIY
BITAXE_WRONG_PORT Info

Bitaxe – Wrong Pool Port / Stratum Port Mismatch

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

Easy DIY
BITAXE_URL_PREFIX Info

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

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

Easy DIY
BITAXE_SOCKET_CLOSED Warning

Bitaxe – Pool Connection Timeout / Socket Closed by Peer

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

Moderate DIY
BITAXE_ULTRA_CLIFF Warning

Bitaxe Ultra – BM1366 Hashrate Cliff / Sudden Drop

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

Moderate DIY
BITAXE_SUPRA_NORESP Warning

Bitaxe Supra – BM1368 Not Responding After Power Cycle

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

Moderate DIY
BITAXE_GAMMA_FW_MIX Warning

Bitaxe Gamma – 601 vs 602 Hardware Revision Firmware Mismatch

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

Easy DIY
BITAXE_GT_HALF_CHIP Warning

Bitaxe GT – Dual BM1370 One Chip Not Starting

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

Moderate DIY
BITAXE_HEX_ASYM Warning

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

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

Moderate DIY
BITAXE_OC_ERRORS Warning

Bitaxe – Overclock Errors High / Must Reduce Frequency

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

Moderate DIY
BITAXE_HASH_HALF Warning

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

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

Moderate DIY
BITAXE_HASH_CLIFF Warning

Bitaxe – Hashrate Cliff / Drops to Zero Cyclically

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

Moderate DIY
BITAXE_OVERHEAT_PASTE Warning

Bitaxe – Overheats Despite Cooling (Thermal Paste Degraded)

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

Moderate DIY
BITAXE_FAN_JAM Warning

Bitaxe – Fan Motor Jammed / Hums but No Rotation

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

Easy DIY
BITAXE_TEMP_NEG1 Warning

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

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

Moderate DIY
BITAXE_PSU_UNDERSIZE Warning

Bitaxe – PSU Undersized / Insufficient Wattage for Overclock

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

Easy DIY
BITAXE_HEX_XT30_DROOP Warning

Bitaxe Hex – XT30 12V Rail Droop Under Load

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

Moderate DIY
BITAXE_JACK_LOOSE Warning

Bitaxe – Barrel Jack Loose / Intermittent Power Flicker

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

Moderate DIY
BITAXE_REV_POLARITY Critical

Bitaxe – Reverse Polarity Barrel Jack Damage

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

Advanced DIY
BITAXE_TPS546_FAULT Critical

Bitaxe – Power Fault / TPS546 Out of Regulation Window

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

Advanced DIY
BITAXE_OLED_BLANK Info

Bitaxe – OLED / LCD Display Blank on Boot

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

Easy DIY
BITAXE_UI_FREEZE Info

Bitaxe – AxeOS Web UI Freezes During Mining Session

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

Easy DIY
BITAXE_MDNS_FAIL Info

Bitaxe – bitaxe.local Not Found on Windows / Android

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

Easy DIY
BITAXE_DNS_FAIL Warning

Bitaxe – DNS Resolution Failed for Pool Hostname

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

Easy DIY
BITAXE_FAILBACK Warning

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

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

Moderate DIY
BITAXE_STALE_FLOOD Warning

Bitaxe – Stale Share Flood / High Reject Rate

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

Easy DIY

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Last reviewed June 20, 2026.