Problem  | Cause  | Solution  | 
|---|---|---|
LEDs do not light when device is inserted.  | Cradle is not receiving power.  | Ensure the power cable is connected securely to both the cradle and to AC power.  | 
Device is not seated firmly in the cradle.  | Remove and re-insert the device into the cradle, ensuring it is firmly seated.  | |
Device battery is not charging.  | Device was removed from cradle or cradle was unplugged from AC power too soon.  | Ensure cradle is receiving power. Ensure device is seated correctly. Confirm main battery is charging. The battery charges from fully depleted to 90% in less than 2 hours.  | 
Battery is faulty.  | Verify that other batteries charge properly. If so, replace the faulty battery.  | |
The device is not fully seated in the cradle.  | Remove and re-insert the device into the cradle, ensuring it is firmly seated.  | |
Extreme battery temperature.  | Battery does not charge if ambient temperature is below 0°C (32°F) or above 50°C (122°F).  |