Sungrow
SG-035 · ID 732
Battery Software Version Mismatch
Incompatible software versions detected between hybrid inverter, WiNet/Comms box, and battery system.
Common causes
Battery, inverter, or WiNet firmware not on compatible versions
What to check
STEP 1
Update hybrid inverter firmware to latest version via iSolarCloud. Update WiNet/COM100D firmware. Update battery firmware.
STEP 2
Ensure all components are on mutually compatible firmware versions.
Escalate if
All firmware updated but fault persists — contact manufacturer
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