GD100Usermanual
TRACGD100UM001 ‐12‐
4 TroubleshootingandSafetyInfo
4.1. Troubleshooting
Trouble Possible reason Solution
After GD100 is turned on, the CELL LED
always flashes quickly.
The SIM card is not
inserted.
Please insert the SIM
card into GD100.
The signal is too weak;
GD100 can’t register to
the network.
Please move GD100 into
places with good GSM
coverage.
Messages can’t be reported to the backend
server by GPRS.
The SIM card in
GD100 doesn’t support
GPRS.
Try a GPRS supporting
SIM card.
APN is wrong. Some
APNs cannot visit the
Internet directly.
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 on
the Internet.
Unable to power off GD100. Unable to power off
GD100 if charger is
connected.
Disconnect charger, and
try again.
No response from configure port when
configuring GD100 through USB
Driver of GD100 is not
installed in computer.
Install the USB driver
and try again
Switch of GD100 is
“OFF”
Turn on the switch, and
plug-in USB port again
GD100 can’t get successful GPS fixing. The GPS signal is
weak.
Please move GD100 to a
place with open sky.
It is better to let the top
surface face the sky. (The
same surface with
indication LED)
4.2. SafetyInfo
Pleasedonotdisassemblethedevicebyyourself.
Please do not put the device on overheating or too humid place, and avoid exposure to
direct sunlight. Too high temperature will damage the device or even cause battery
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