Error Details
LED Flashes
Solutions
GSM module Communication
Error
1 flash
Power OFF then check GSM module power
supply and communication
SIM card Error
2 flashes
Power OFF then check whether SIM
installation is good and PIN is disabled
Cannot register at GSM
network
3 flashes
To check whether SIM card is overdue and/
or device in an area there is no GSM signal
GPS module Error
4 flashes
Power OFF then check GPS module power
supply and communication
To check whether there is SIM card SMS
SMS Sending Error
5 flashes
To check whether there is SIM card SMS
center setting error and/orSIM card is
overdue
Can't use GPRS
6 flashes
To check whether the APN is correct and
SIM has GPRS function or not
TCP connection Error
7 flashes
To check if the server is normal
Unknown Error
8 flashes
Power OFF then Power ON, if there is still
the error, please contacts us.
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Summary of Contents for G797
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