General internal system fault — inverter has shut down. Covers a wide range of internal protection trips not individually listed. IDs include: 7, 11, 16, 19–25, 30–34, 36, 38, 40–50, 52–58, 60–69, 85, 87, 92–93, 100–124, 200–211, 248–255, 300–328, 401–412, 600–624, 800–807, 1096–1122.
Common causes
Transient internal system errorInternal component protection trip
What to check
STEP 1
Wait for inverter to attempt automatic recovery. If no recovery, perform manual restart: disconnect AC circuit breaker and DC switch (and battery switches if fitted). Wait 15 minutes.
STEP 2
Close AC circuit breaker first, then DC switch. Monitor for normal operation.
Escalate if
Fault recurs after manual restart — contact Sungrow support with exact alarm code
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