Error Code Green indicator stays on

Over Charging — The device is detecting a charging circuit fault or the battery is fully charged but the charger remains connected.

? What Causes This

Charger left connected after full charge, faulty charging circuit, or defective battery.

Disconnect the charger immediately.
Wait 5 minutes before reconnecting.
If the indicator remains on during charging, use a different charger or contact support.

Source: page 3 of the official manual

From the manual

This error code appears in: