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error Upgraded
Error Code OC
Over Current alarm — the charging current exceeds 45 A, exceeding the controller's maximum current rating.
? What Causes This
Solar array short circuit current exceeds 30 A, or fault in the charging circuit causing excessive current flow.
✓ How to Fix It
- Disconnect the solar array immediately.
- Check solar array connections for shorts or faults.
- Verify the solar array short circuit current (Isc) is less than 30 A.
- Check all wiring connections for damage or improper installation.
- If problem persists, the controller may be damaged and require service.
Source: page 45 of the official manual
From the manual
This error code appears in:
Upgraded 30A Solar Charge Controller