User's Manual

20
Ⅸ. Trouble shooting
9.1 Cannot connect platform
device is never online on the position server when
installed at the first time. Please check device:
1）If power cables are wired correctly? Pay attention
to not connect them to controlling cables of vehicle.
2）If SIM card is installed correctly? Please refer to
the installation instructions.
3）Check the status of LED indicators. If device is
OK, red LED and blue LED will intermittently flick.
4）Inquiry parameters of device via commands and
check replied parameters.
9.2 Offline status
First check if LED indicators are OK, if cannot
check them, you can check SIM card following next
steps:
1）call SIM card of device and check if you can hear
connecting ring.
2）Check if vehicle is in the area where there is no
GSM/WCDMA signal.
3）Check if one device or all devices are offline in
the area . If all devices are offline, you should ask