SolaX
BE 18

BMS Version Unmatch

Battery firmware version mismatch.

Outdated BMS firmware
STEP 1
Upgrade the battery BMS firmware.
Persistent after firmware update
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More SolaX fault codes

SPI Fault
SPI Comms Fault
SCI Fault
SCI Comms Fault
CAN1 Fault
CAN Bus Comms Fault
PV Config. Fault
PV Array Config Error
Inv. EEPROM
Internal Memory Failure (IE 26)