Sigenergy
3002

Over-Temperature

ID1=General temperature too high, ID2=Grid side too high, ID3=Engine side too high, ID4=Backup port too high, ID5=Load port too high.

Common causes
High ambient temperatureInadequate ventilationAbnormal operation of internal components
What to check
STEP 1
Check ventilation at installation location is good and improve if needed
Escalate if
Fault persists after ventilation check — submit fault feedback via APP > Support > Troubleshooting
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More Sigenergy fault codes

1001
Software Version Mismatch
1002
Low Insulation Resistance
1003
Over-Temperature
1004
Equipment Fault
1005
System Grounding Fault
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