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Analysis of common problems

Failure 
phenomenon

Failure analysis

Treatment method

GPS is not 
positioned

Determine whether to use 
the terminal in areas with 
poor GPS signals, such as 
near tall buildings or 
underground parking lots

Move the vehicle to a location with a 
good signal Use the terminal

Determine whether the front 
windshield of the vehicle has 
metal heat insulation film 
affecting the signal reception

If there is a film, the equipment will be 
changed to other vehicles to test whether 
the blue light is always on, such as in 
other vehicles without film to test no 
problem, then the vehicle is caused by 
the film

Determine whether there is a 
shield or signal jammer on or 
around the car

If there is a shield or source of 
interference, remove the shield or source 
of interference and try to reinstall

GSM is not 
working

Determine whether the SIM 
card is installed properly

Check whether the SIM card is installed 
in place

Determine if there is dirt or 
poor contact on the metal 
surface of the SIM card

Wipe the metal chip surface with a clean 
cloth or repeatedly insert and remove 
the card several times

Determine if the vehicle is in 
a place with no mobile 
network, such as an
underground parking lot.

Please drive the vehicle to a place with 
good network signal and try to reinstall 
it.

Determine whether the 
server background is normal

Ask if the server of the background 
management platform is normal

Determine whether the SIM 
card status is normal or not

Check whether the status of the SIM 
card is normal through the SIM card 
inquiry platform

Determine whether there is a 
shield or signal interferer on 
the car or around

If there is a shield or source of 
interference, remove the shield or source 
of interference and try to reinstall

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