How do I fix Battery Voltage Fault on a SolaX?

Check battery voltage on LCD (System Status, Battery) against the battery spec. Then: Full power cycle: AC off, battery off, wait 60 seconds, battery on, AC on.

SolaX

IE 07

Battery Voltage Fault

Battery input voltage outside normal range.

Common causes

Battery isolator offBMS protection triggeredWrong battery type setting

What to check

STEP 1

Check battery voltage on LCD (System Status, Battery) against the battery spec.

STEP 2

Full power cycle: AC off, battery off, wait 60 seconds, battery on, AC on.

Escalate if

Voltage confirmed in range but fault persists

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More SolaX fault codes

PV Array Config Error

Inv. EEPROM

Internal Memory Failure (IE 26)