MicroBT Troubleshooting Guide
44 error codes and fixes for MicroBT ASIC miners.
HW_ERR
Warning
Whatsminer M30S – Share Rejection Spike
Whatsminer M30S
PSU_ERR
Critical
Whatsminer M30S – Internal PSU Board Failure
Whatsminer M30S
WM_TOOL_TMO
Info
Whatsminer – MinerTool Connection Timeout
Whatsminer
WM_ENV_ERR
Warning
Whatsminer M30S – Environmental Sensor Error
Whatsminer M30S
WM_SIG_ERR
Critical
Whatsminer M60S – Firmware Signature Verification Failed
Whatsminer M60S
WM_WEB_ERR
Info
Whatsminer – Cannot Access Web Interface After Reset
Whatsminer
WM_OC_ERR
Warning
Whatsminer M50S – Overclocking Instability
Whatsminer M50S
WM_LEAK
Critical
Whatsminer M30S – Water Cooling Leak Detection
Whatsminer M30S
WM_RESET
Info
Whatsminer – Factory Reset via Button
Whatsminer
WM_BIN_ERR
Critical
Whatsminer M60S – Chip Bin Mismatch
Whatsminer M60S
WM_POWER_LIM
Warning
Whatsminer M50S – Power Limit Triggered
Whatsminer M50S
WM_HASH_FLUCT
Warning
Whatsminer M30S – Hashrate Fluctuation
Whatsminer M30S
WM_DIAG
Info
Whatsminer – MinerTool Diagnostic Codes
Whatsminer
WM_PSU_EFF
Warning
Whatsminer M60S – PSU Efficiency Drop
Whatsminer M60S
WM_HB_ERR
Critical
Whatsminer M50S – Hashboard Error via MinerTool
Whatsminer M50S
WM_LED_SLOW
Warning
Whatsminer M30S – LED Slow Red Blink
Whatsminer M30S
WM_LED_RED
Critical
Whatsminer M30S – LED Fast Red Blink
Whatsminer M30S
N/A
Warning
Whatsminer M50S – Grinding Fan Noise
Whatsminer M50S, M50S+
N/A
Warning
Whatsminer M30S – Rattling Noise
Whatsminer M30S, M30S+
CB_ERR
Critical
Whatsminer M60S – Control Board Boot Loop
Whatsminer M60S
CB_ERR
Info
Whatsminer – LED Status Code Reference
Whatsminer
CB_ERR
Critical
Whatsminer M50S – Control Board Not Responding
Whatsminer M50S
CB_ERR
Critical
Whatsminer M30S – Control Board Failure
Whatsminer M30S
FW_ERR
Warning
Whatsminer M60S – Firmware Rollback Failed
Whatsminer M60S
FW_ERR
Warning
Whatsminer M50S – MinerTool Firmware Update Failed
Whatsminer M50S
FW_ERR
Critical
Whatsminer M30S – Firmware Recovery Mode
Whatsminer M30S
FW_ERR
Warning
Whatsminer – Firmware Update via MinerTool
Whatsminer
NET_ERR
Info
Whatsminer M30S – MinerTool Cannot Connect
Whatsminer M30S
NET_ERR
Warning
Whatsminer – Network Configuration Reset
Whatsminer
PSU_ERR
Critical
Whatsminer M60S – Power Supply Failure
Whatsminer M60S
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