1. TC73/TC78 Product Reference Guide
  2. Getting Started
  3. Charging the Device
  4. Charging Indicators
  • TC73/TC78 Product Reference Guide
Charging Indicators

Charging Indicators

The charging/notification LED on the device indicates the charging status.
Charging/Notification LED Charging Indicators
State
LED Color
Indications
Off
The device is not charging.
  • The device is not inserted correctly in the cradle or connected to a power source.
  • The charger/cradle is not powered.
Slow Blinking Amber
(1 blink every 4 seconds)
The device is charging.
Slow Blinking Red
(1 blink every 4 seconds)
The device is charging, but the battery is at the end of its useful life.
Solid Green
Charging is complete.
Solid Red
Charging is complete, but the battery is at the end of its useful life.
Fast Blinking Amber
(2 blinks/second)
Charging error, such as:
  • Temperature is too low or too high.
  • Charging has gone on too long without completion (typically twelve hours).
Fast Blinking Red
(2 blinks/second)
Charging error, and the battery is at the end of its useful life. For example:
  • The temperature is too low or too high.
  • Charging has gone on too long without completion (typically 12 hours).