Anker
ISO-FAIL

Isolation Failure

Isolation test between DC and AC circuits failed.

Moisture in PV systemDamaged PV cable or connectorFailed battery module
STEP 1
Power down
STEP 2
Check PV insulation resistance — must be >1 MΩ
Insulation resistance in spec but fault persists — contact Anker support
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More Anker fault codes

EE
Earth Fault
PV_OV
PV Overvoltage
GRID_FAULT
Grid Fault / Grid Abnormal
BAT_FAULT
Battery Module Fault
COMM_FAULT
Communication Fault