Sigenergy
1020

Abnormal AFCI Self-Checking Circuit

DC arc detection circuit self-check failed. ID1-ID16 indicate which self-checking circuit has faulted.

Common causes
DC arc detection circuit self-check failure
What to check
STEP 1
In APP: clear AFCI self-test circuit abnormality. Restart device and wait for return to normal
Escalate if
Fault does not clear after restart — submit feedback via mySigen App > Support > Troubleshooting
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