GSM+GPS CAR ALARM (Model F-900C) MANUAL
8
6. Don
’
t tell the system telephone number or password to anyone else.
7. Please make sure the 12V power is well-connected first, and then switch on the mainframe, otherwise it
will call outside because it admits the power is off.
8. Insert the SIM card in the mobile first and then fix it in the alarm after whether the SMS is normal is
tested.
9. Where no entry into the system happens, please solve it after turning off electricity and restarting it
.
Malfunctions and diagnoses
Malfunctions
Diagnoses
The
system
telephone is busy
while
being
called
1
、
The system could be calling preset alarm telephone numbers;
Switch off the switch besides the main unit, and switch it on 10
seconds later, and try it again;
The
system
telephone can
’
t
be connected,
or it is power off
1
、
Check that the starting process of the system is correct or not.
Could it possible that some connections have not done? Switch
off the switch besides the main unit, and switch it on 10 seconds
later, and try it again;
Check that whether is SIM card is in full contact or not.
System does not
call
preset
telephone
in
alarm condition
1
、
Check the alarm telephone number is correct or not;
Check that if the system is in arming condition.
System
calls
preset telephone
when there is no
alarm
1
、
Check the sensitivity of the vibration sensor of the existing car
alarm;
2
、
Switch of the car door is damaged;
3
、
Miscontact or low power of the car battery;
The main unit should be kept away from the antenna.
