CB_ERR
Warning
Avalon 1246 – AUC Communication Error
control board error
Warning — Should be addressed soon
Affected Models:
Avalon 1246
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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