Sigenergy
1019
Internal Protection
MPPT overcurrent (ID1-ID16), inverter output overcurrent (ID17), BUS overvoltage (ID18), BUS imbalance (ID19), internal control protection (ID20).
Common causes
MPPT overcurrentInverter overcurrentInternal BUS overvoltage or imbalanceInternal control protection triggered
What to check
STEP 1
If occasional, may be caused by transient environmental change. Equipment will recover automatically
Escalate if
Fault occurs frequently or does not recover — contact Service Centre
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