CB_ERR
Info
Antminer – RTC Battery Dead
control board error
Informational — Monitor and address as needed
Affected Models:
Antminer
Symptoms
- Control board malfunction
- Boot failure or LED error codes
- Management interface issues
Step-by-Step Fix
1
Power off and inspect the control board for visible damage.
2
Disconnect hashboards and attempt to boot control board alone.
3
Try SD card or eMMC firmware recovery.
4
Check all cable connections to the control board.
5
If recovery fails, the control board may need replacement or professional repair.
Related Error Codes
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