Problem  | Cause  | Solution  | 
|---|---|---|
The TC78 charging LED does not light up.  | The cradle is not receiving power.  | Ensure that the power input cable is securely connected to the cradle's power port.  | 
The TC78 battery is not charging.  | The battery is faulty.  | Ensure that you are using a wireless charge battery. Replace the battery.  | 
The TC78 was not placed correctly in the cradle.  | The TC78 battery charging LED slowly blinks amber when the TC78 is correctly inserted and charging. If this is not happening:
                 
  | |
The ambient temperature is too high or too low.  | The ambient temperature within the vehicle may be too high or too low. Charging will begin when the temperature inside the vehicle is within the TC78 charging temperature range (0° C to 40° C/32° F to 104° F).  |