MicroBT Troubleshooting Guide
66 error codes and fixes for MicroBT ASIC miners.
Whatsminer – Bootloader Corrupt SD Card Recovery
Whatsminer M20S, M21S, M30, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S,...
Whatsminer Hydro – Water Leak Alarm Trip
Whatsminer M33S+, M33S++, M53, M53S, M53S+, M53S++, M63, M63S, M63S+, M64 Hydro
Whatsminer Error 5070-5072 – Water Velocity Abnormal
Whatsminer M30S++ Hydro · M33S+ · M33S++ · M53 · M53S ·...
Whatsminer Error 2310-2350 – Low Hash Rate Warning
M20S · M21S · M30S · M30S+ · M30S++ · M31S ·...
Whatsminer Error 2020-2022 – Stratum Pool Connection Failed
Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+,...
Whatsminer Error 2010 – All Pools Disabled
Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32, M33, M50, M50S,...
Whatsminer Error 810 / 820 – Wrong Firmware Water vs Air
M33 · M53 · M53S · M56 · M56S · M63 ·...
Whatsminer Error 800-802 – Firmware Checksum Error
Whatsminer M20S · M21S · M30S / M30S+ / M30S++ · M31S...
Whatsminer Error 600 – Environment Temperature Too High
All Whatsminer models running BTMiner firmware with the Error 600 fault map:...
Whatsminer Error 550-552 – Bad ASIC Chips Detected
Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+,...
Whatsminer Error 540-542 – Chip ID Read Failure
Whatsminer M20S, M30S, M30S+, M30S++, M31S, M32, M50, M50S, M50S+, M50S++, M53,...
Whatsminer Error 530-532 – Hashboard Not Found
Whatsminer M20S, M30S, M30S+, M30S++, M31S, M32, M50, M50S, M50S+, M50S++, M60,...
Whatsminer Error 350-352 – Hashboard High Temperature Protection
Whatsminer M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M50S++, M60,...
Whatsminer Error 302 – Hashboard SM2 Temperature Sensor Failure
Whatsminer M20S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M50S++,...
Whatsminer Error 301 – Hashboard SM1 Temperature Sensor Failure
All three-hashboard MicroBT air-cooled generations: Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S,...
Whatsminer Error 300 – Hashboard SM0 Temperature Sensor Failure
Whatsminer M20S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M60...
Whatsminer Error 233-238 – PSU Output Protection Triggered
Whatsminer air-cooled M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M50S++,...
Whatsminer Error 200 – Power Probing Error No Power Found
Whatsminer M20S, M30S, M30S+, M30S++, M31S, M31S+, M32, M50, M50S, M50S+, M50S++,...
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 120 / 121 – Fan Speed Below 2000 RPM
All air-cooled MicroBT Whatsminer models running BTMiner firmware: M20S, M21S, M30S, M30S+,...
Whatsminer Error 111 – Fanout Detect Speed Error
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 M30S – Share Rejection Spike
Whatsminer M30S, M30S+, M30S++ (M30V1/M30V2/M30V3 hardware revisions)
Whatsminer M30S – Internal PSU Board Failure
Whatsminer M30S, M30S+, M30S++
Whatsminer – MinerTool Connection Timeout
Whatsminer M20S, M21S, M30S, M30S+, M30S++, M31S, M50, M50S, M50S+, M50S++, M53,...
Whatsminer M30S – Environmental Sensor Error
Whatsminer M30S, M30S+, M30S++ (M30V1 / M30V2 / M30V3 hardware revisions; button-board...
Whatsminer M60S – Firmware Signature Verification Failed
Whatsminer M60S, M60S+, M60S++
Whatsminer – Cannot Access Web Interface After Reset
Whatsminer M20, M21, M30S, M30S+, M30S++, M31S, M50, M50S, M50S+, M50S++, M53,...
Whatsminer M50S – Overclocking Instability
Whatsminer M50S, M50S+, M50S++
Whatsminer M30S – Water Cooling Leak Detection
Whatsminer M30S++ Hydro, M33S++, M53, M53S, M56, M56S (hydro variants), and any...
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