SolaX
IE 30

PV Connection Direction Fault

PV string polarity reversed. Isolate before checking.

Common causes
PV input cables reversed
What to check
STEP 1
Isolate the system, then verify PV string polarity with a meter before reconnecting.
Escalate if
Polarity confirmed correct but fault persists
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More SolaX fault codes

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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)
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