Coban GPS303F - Page 33

No GPS Signal
A more open view of the sky is recommended to make sure the device
can receive the GPS signal normally.
SMS reply fail
Password incorrect or wrong sms commands format
Call without SMS reply
or cannot receive alarm
SMS
Authorized number is wrong or without setting any authorized number
Stop engine fail
Check the relay for engine cut is right connected.
Remote Controller fail
Remove external power , turn on the device and program again
Siren fail
Siren’s voltage is DC12V/24V/1A. Siren can’t be activated if it is negative
triggered.