Solis
E032
Firmware Fault / Version Mismatch
Inverter firmware error or version incompatibility detected.
Common causes
Incomplete firmware updateIncompatible firmware version
What to check
STEP 1
Check Solis app for available firmware update. If update interrupted, re-attempt
STEP 2
Ensure inverter has stable comms (WiFi or LAN) before starting update
Escalate if
Update repeatedly fails — contact Solis support with inverter serial number and current firmware version
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