TK220 GPS Car Alarm Website:www.t10.cn, email:sales@t10.cn User Manual
Page
24
VIII. FAQs & Troubleshooting
FAQ
Troubleshooting
I call the tracker, it does not
ring
(1) The GSM SIM card has no credit;
(2) The SIM card is protected by PIN code;
(3) Fix the GSM antenna to open place to
test;
(4) The SIM card is placed correctly in the
slot;
(5) Check the connection of the GSM
antenna, or change another GSM antenna to
test;
I call the tracker, it rings, but
it
doesn’t
send
back
response SMS
(1)The user password is wrong, please use
the correct password or reset the password
to test;
(2) Low power, please use outside 12VDC
power supply to power on the unit to test
(3) Check whether your command format is
right or not.
I can not get the alarm
message
(1) The SIM card inside the device has no
credit;
(2) The Alert-received mobile number is not
programmed correctly, or the SMS instruction
is not in correct format;
(3) The mailbox of the user’s mobile is full;
I can not get the correct GPS
coordinates or the location is
wrong
(1) Please make sure there is no metal
obstacles above the GPS antenna. Fix the
GPS antenna to open place to test;
(2) Please check the connection of the GPS
antenna;
(3) Chang another GPS antenna to test;
(4) In cloudy condition, it is a little hard to get
the GPS signal, and the GPS coordinate
might have some errors.
I can check the location, but I
can not get the alert SMS
when the car moves
(1) Please setup the system firstly. (authorize
SMS-received mobile number, etc);
(2) In arming status,the device only warn you
once the car moves at about 50 meters
away from the parking place;
Much noise when monitoring
voice
(1) Check the two sides of the MIC wire;
(2) The MIC should be away from the engine,
unit heater, GSM/GPS antenna and other
obstacles