1, the power supply contact is poor: manufacturers take into account the working environment and safety issues of the tachograph, its built-in battery capacity is small, once the power is disconnected, the tachograph will pop up a lack of power prompt. Try to reconnect the power supply. Check the power cable and the power interface. 2, the quality problem of the tachograph itself: it may be the battery damage inside the tachograph, or it may be caused by the internal circuit break.
The common fault of the driving recorder is that it will automatically stop when shooting and recording, and the solution is as follows: 1, check whether the machine has set the video cycle function; 2, check the recording format of the machine, set the format of the recording video, as far as possible to save space; 3, please use the high-speed TF card compatible with SDHC, high-speed TF card will have C4 or C6 mark.
If the battery should be replaced after more than 2 years, the battery of the recorder is only set to store data, not for the recorder to work, the recorder must be plugged into the charger