11. Troubleshooting
In case of malfunction during use, the device
will stop heating, the LED will flash red
repeatedly and the device will vibrate in rapid
succession, indicating the error mode is
active:
- Red LED flashes 3 times, vibrates 1 time:
The battery voltage is too low to work.
- Red LED flashes 5 times, vibrates 2 times:
Abnormal temperature of the battery cell.
- Red LED flashes 8 times, vibrates 3 times:
Abnormal temperature of the heating
component.