Symptom  | Possible Cause  | Action  | 
|---|---|---|
Spare Battery not charging.   | Charger is not receiving power.   | Ensure the power cable is connected securely to both the charger and to AC power.   | 
Spare battery is not correctly seated.   | Remove and re-insert the battery into the battery adapter, ensuring it is correctly seated.   | |
Battery adapter is not seated properly.   | Remove and re-insert the battery adapter into the charger, ensuring it is correctly seated.   | |
Battery was removed from the charger or charger was unplugged from AC power too soon.   | Ensure charger is receiving power. Ensure the spare battery is seated correctly. The standard or high-capacity spare battery charges from fully depleted to 90% in approximately 3 hours.  | |
Battery is faulty.   | Verify that other batteries charge properly. If so, replace the faulty battery.   | |
Ambient temperature of the cradle is too warm.  | Move the cradle to an area where the ambient temperature is between 2°C and 46°C (35.6°F and 114.8°F).  | |
Spare Battery Charging LED does not light when spare battery is inserted.   | Spare battery is not correctly seated.   | Remove and re-insert the spare battery into the charging slot, ensuring it is correctly seated.   |