How do I fix Abnormal DC Input Current (Alarm 1027) on a Solis?

Check the DC wiring for poor connection or damage. Then: Restart the inverter.

Solis

DC-INTF.

Abnormal DC Input Current (Alarm 1027)

DC input current abnormal.

Common causes

DC wiring loose or damaged

What to check

STEP 1

Check the DC wiring for poor connection or damage.

STEP 2

Restart the inverter.

Escalate if

Wiring sound but alarm persists

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