IQL 4G VEHICLE TRACKER USER MANUAL
14
Firmly install the device to a reliable surface to prevent falling off.
Make the side with antenna face sky to have better signal reception.
Do not install the device under metal surface or in enclosed environments
having difficulty in getting GPS and network signal.
7.1.
Troubleshooting
Problem
Possible Reason
Solution
After the device is turned
on, the CEL LED always
flashes quickly.
The signal is too weak.
The
device isn’t registered to
the network.
Move the device to a place
with good network coverage.
Messages
can’t
be
reported to the backend
server by network.
APN is not right.
Ask the network operator for
the right APN.
The IP address or port of
the backend server is
wrong.
Make sure the IP address for
the backend server is an
identified
address in the internet.
There is no response
from
UART when the device is
configured by using
UART.
The port is not ready or
the device is not powered
on.
Please check the port and the
device to ensure they
are working properly.
The device can’t get
GPS fix.
The GPS signal is weak.
Move the device to a place
under open sky.
It is better to make the side
with antenna face the sky.
6. Installation Precautions
7. Troubleshooting and Safety Info
