Open-Source Troubleshooting Guide

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

Manufacturer

Severity

DIY Difficulty

201 results

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)

PiAxe – BM1366 Serial UART Communication Error

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

PiAxe – Pyminer Stratum Connection Interrupted

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

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...

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 – Boot Loop After Web Tool Flash

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

NerdMiner – NerdMinerAP Not Visible After Setup

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

NerdMiner – Configuration Mode Fails on ESP32-WROOM-32

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

NerdNOS – Firmware Flash Incompatible Hardware

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

NerdAxe – BM1366 vs BM1368 Firmware Mismatch

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

NerdAxe – Stuck Falling Back to AP Mode

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

NerdQAxe++ Hydro – Pump Not Circulating Coolant

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

NerdQAxe – Bricked After OTA Firmware Update

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

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

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

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 – Overheat Mode at 75C Shutdown

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

NerdQAxe++ – PSU Error Guru Meditation #0000015

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

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

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

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 – Fan Not Spinning / PWM Stuck at Zero

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

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

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

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

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

Bitaxe – Undervoltage / VIN Below 4.7V Under Load

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

Bitaxe – ESP32 Brownout Detector Triggered (Reset Loop)

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

Bitaxe – AxeOS Dashboard Unreachable / Blank Web Page

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

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

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

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 – 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...

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Last reviewed June 20, 2026.