Anker
BACKUP-FAIL
Backup Output Fault
Backup circuit output fault. Backup power not available during grid outage or backup output tripped.
Common causes
Overload on backup circuit caused tripShort circuit on backed-up wiringBackup circuit MCB trippedInverter hardware fault
What to check
STEP 1
Check backup circuit MCB in consumer unit -- reset if tripped
STEP 2
Identify and shed the load that caused the overload
Escalate if
MCB not tripped, loads within rating, wiring intact -- contact Anker support
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