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error Noco
Error Code Red Battery LED (Battery will not hold a charge)
Connected battery is likely defective or faulty.
? What Causes This
A malfunction in the battery prevents it from charging properly and maintaining charge over time.
✓ How to Fix It
Consider replacing the battery if repair attempts fail. Check manufacturer service recommendation for specifics.
Source: page 10 of the official manual
From the manual
This error code appears in:
Noco Genius10jp Genius 10 Battery Chargers