How do I fix Equipment Fault on a Sigenergy?

Give standby/shutdown instruction. Disconnect DC and AC switches. Wait a few minutes for full power-down Then: Restore DC and AC switches and give boot instruction. Check if fault clears

Sigenergy

1004

Equipment Fault

Internal circuit fault. ID1=Power module, ID2=Control module, ID3=Auxiliary power, ID4=Built-in PID module, ID5=Monitoring module, ID6=Heating film, ID7=External fan.

Common causes

Internal circuit fault across various modules

What to check

STEP 1

Give standby/shutdown instruction. Disconnect DC and AC switches. Wait a few minutes for full power-down

STEP 2

Restore DC and AC switches and give boot instruction. Check if fault clears

Escalate if

Fault does not clear after power cycle — submit fault feedback via APP > Service > Troubleshooting

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