Sungrow
SG-041 · IDs 743,744,745

Battery Fault – Firmware Update Resolves

Battery internal faults that typically resolve after firmware upgrade. May self-recover.

Battery firmware bug resolved in later firmware version
STEP 1
Check if battery self-recovers. If not, upgrade battery firmware to latest version.
Firmware updated but fault persists — contact manufacturer
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More Sungrow fault codes

SG-001 · IDs 2,3,14,15
Grid Overvoltage
SG-002 · IDs 4,5
Grid Undervoltage
SG-003 · ID 8
Grid Overfrequency
SG-004 · ID 9
Grid Underfrequency
SG-005 · ID 10
Grid Power Outage