!
error Battery
Error Code NEITHER THE RED OR GREEN LIGHT TURN ON
This abnormal condition indicates that the charger is not properly connected to AC power.
? What Causes This
Improper connection or missing plug from electrical outlet.
✓ How to Fix It
- Ensure correct connection and outlet functionality by trying another appliance.
- Verify proper battery connections if applicable.
Source: page 6 of the official manual
From the manual
This error code appears in:
Battery Tender Junior