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Sigenergy
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2002
Sigenergy
2002
Energy Storage Module Low Insulation Resistance
Energy storage module is short circuited to the housing.
Common causes
Battery module shorted to housing
Insulation damage
What to check
STEP 1
Issue standby/shutdown command via APP. Disconnect DC and AC switches. Wait a few minutes for full power-down
STEP 2
Turn on DC and AC switches. Issue startup command via APP
Escalate if
Fault persists after power cycle — submit fault feedback via APP > Service > Support > Troubleshooting
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