GA100 User Manual
TRACGA100UM001
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4. Troubleshooting and Safety info
4.1.
Troubleshooting
Trouble
Possible Reason
Solution
The SIM card is not inserted.
Please insert the SIM card into
GA100.
The signal is too weak;
GA100 can’t register to the
network.
Please move GA100 into place
with good GSM coverage.
After GA100 is turned on,
LCD display some message.
PIN locked
Using SIM card without
SIM-PIN, or unlock SIM-PIN.
The SIM card in GA100
doesn’t support GPRS.
Try a GPRS supported SIM
card.
APN is wrong. Some APN
can not visit the internet
directly.
Ask the network operator for
the right APN.
Messages can’t be reported to
the backend server by GPRS.
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.
The function of power key
was disabled by AT+GTSFR.
Enable the function of power
key by AT+GTFKS.
Unable to power off GA100.
Unable to power off GA100 if
charger connected or using
external battery.
Disconnect charger or external
battery, and try again.
Remove the Data_Cable_M,
and plug it in again. After this
operation, GA100 will exit
from power saving mode for 10
seconds.
No response from UART when
configure GA100 through
UART
GA100 is in power saving
mode.
Re-try GA100 manager tool
again, it will try to wake up
device.
Please move GA100 to a place
with open sky.
GA100 can’t get successful
GPS fixing.
The GPS signal is weak.
It is better to let the top surface
face to sky.