GPS-VT 103 GPS Vehicle Tracker
13 / 13
Advanced
Common
problems
Causes
Solution
Calls can not go
through
1. SIM Card wrongly installed or GSM
antenna is not fastened
Move to a place with good signal.
2. GSM signal is weak because of your
local GSM coverage is poor
Test again in a place with strong GSM signal. The red
LED should be flashing.
GPS is not
locating
1. GPS is not fix because of bad weather or
under trees or tall buildings or indoor.
Move to an open air where you can see the GREEN color
inside the red flashing LED.
2. Check the installation of GPS antenna
Fasten GPS antenna and put it outside your car or move it
near glasses. Better to put it in dashboard.
3. Metal stuff is covering the GPS antenna
Move away the metal stuff.
No reply after
sending a SMS
command
1. Write a wrong SMS command or wrong
format.
Check the SMS content to make sure it is correct SMS
2. SMS is blacked or traffic jam
Restart the GPS tracker and wait a moment
3. Power off or no GSM signal
Power on and check GSM reception
Can not get SMS
alert when SOS
button is pressed
You do not connect your device with
external power (12—32V)
Connect your device with 12V- 32V DC power or car
battery
You are not authorized number/user
Set your phone number as an authorized phone numbre
Can not get SMS
alert when door
is opened or Car
started
You forget to arm it
Arm it by sending
ARM123456
Phone can not
connect to the
network
SIM card installed wrongly
Check the SIM card installation
The sheet mental of SIM card is dusty or
set a wrong APN.
Clean it and try again and set GPRS connection with
correct APN.
Invalid SIM card
Contact your GSM service provider
Out of GSM service area
Move back to the GSM service covered area.
weak signal
Try again in a strong signal area
Phone can not
charge
Voltage is out of charging range of charger.
Change to the proper voltage
Use non-standard charger
Use charger that come with the package
Poor contact
Check if the plug is in.
Can not check
address
information
SIM card does not support GPRS function
Please contact the SIM card operator to activate GPRS
Reply “no data, please try again” all the
time
Please contact with your distributors to check APN setting
or GPS signals.
This user is not a specific number
Please set the number as a specific number
