MicroBT Troubleshooting Guide
104 error codes and fixes for MicroBT ASIC miners.
Whatsminer M50S – Power Supply Failure
Whatsminer M50S, M50S+, M50S++
Whatsminer M30S – Power Supply Failure
Whatsminer M30S, M30S+, M30S++
Whatsminer M50S – Low Hashrate
Whatsminer M50S · M50S+ · M50S++ (SHA-256 air-cooled lineup, BM1398-class MicroBT silicon...
Whatsminer M30S – Low Hashrate
Whatsminer M30S, M30S+, M30S++ (BM1375 / BM1398-adjacent custom MicroBT silicon — M30S...
Whatsminer M60S – Hashboard Not Detected
Whatsminer M60S, M60S+, M60S++ (same SM3-generation hashboard architecture)
Whatsminer M50S – Hashboard Not Detected
Whatsminer M50S (applicable to M50, M50S+, M50S++ with minor voltage deltas)
Whatsminer M30S – Hashboard Not Detected
Whatsminer M30S, M30S+, M30S++ (custom MicroBT silicon — 3 × 105 chips...
Whatsminer M60S – Fan Speed Error
Whatsminer M60S, M60S+, M60S++ (same SM3-generation chassis and 4-fan PWM layout)
Whatsminer M50S – Fan Speed Error
Whatsminer M50S, M50S+, M50S++
Whatsminer M30S – Fan Speed Error
Whatsminer M30S, M30S+, M30S++ (same 4x 12V 6-wire 12038 axial fan chassis)....
Whatsminer M56S – Temperature Too High
Whatsminer M56S (hydro-cooled)
Whatsminer M60S – Temperature Too High
Whatsminer M60S, M60, M60S+, M60S++ (shared control-board thermal pipeline)
Whatsminer M50S – Temperature Too High
Whatsminer M50S, M50S+, M50S++
Whatsminer M30S – Temperature Too High
Whatsminer M30S, M30S+, M30S++ (M30V1 / M30V2 / M30V3 hardware revisions -...
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Last reviewed May 25, 2026.