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Status of LED
Red
LED- Power
Blinking together with Orange, Blue LED Initializing / Hardware error
Blinking alone
Low battery
Always on
Charging
1s on and 3s off
Normally work
Blue
LED- GSM
Blinking together with Red, Orange LED
Initializing / Hardware error
Always on
SIM card is not inserted/GSM signal is not
received
1s on and 3s off
GSM signal is received
0.1s on and 3s off
GPRS is connected to server
Orange
LED- GPS
Blinking together with Blue, Red LED
Initializing / Hardware error
Always on
GPS module does not work
1s on and 3s off
GPS module works well, but GPS position
is not fixed
0.1s on and 3s off
GPS position is fixed