GB100CAU User Manual
6. Troubleshooting and Safety Info
6.1. 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
the device when the device
is configured by using
Manage Tool.
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.
6.2. Safety Info
Do not disassemble the device by yourself.
Do not put the device in over heated too humid place, and avoid exposure to direct sunlight.
Too high temperature will damage the device or even cause battery explosion.
Do not use the device on the airplane or near medical equipment.
QSZTRACGB100CAUUM0100
8
The device role of Bluetooth could be Master and Slave. When the device role is Slave, the
device will provide below services: device information service, battery information service,
virtual serial port service. Other devices can read or use these services after connecting
devices. When the device role is Master, the device will provide below services: the others
devices can read or use the above services after connecting devices, connect the designated
device to read the data or related information of the designated Bluetooth devices. After
reading the data, the server can be reported to the server by the corresponding message.
Bluetooth
