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The Gateway Server is down
1.
The Gateway Server is down or the internet
connection is blocked. Thus, the tracker can’t build
up a GPRS connection with the Gateway Server.
Check with the MIS engineer.
2.
The Gateway Server shuts off the socket connection
or hang the connection due to poor socket
management. Check with the MIS engineer.
The tracker firmware is faulty
1.
Press the reset button in the rear panel of the
tracker. Wait for 5 minutes and check again.
2.
When the tracker is back to the office. Check if the
tracker remains all GPRS parameters and server
settings correctly.
The tracker hardware is faulty
1.
If the GSM LED remains constant OFF after
pressing the reset button, it means the tracker may
be damaged and needs to be replaced.
2.
When the tracker is back to the office. Use the AC
adapter to supply power to the tracker and check the
tracker by Hyper Terminal for further information.
III. The tracker connects to the server with invalid GPS all the time
and the GPS LED is not constant ON.
Problem
GPS
LED is constant OFF or flashing
Cause
Solution
Poor GPS signal reception
1.
Check the GPS antenna connects to the tracker
correctly and securely. Sometimes it is switched with
the GSM antenna connection intentionally.
2.
Check if the GPS antenna is installed at a proper
place to have a clear view of the sky.
3.
Check if the GPS antenna cable is twisted or
damaged. If yes, the GPS antenna needs to be
replaced.
4.
Change the GPS antenna and check again.
The tracker firmware is faulty
1.
Press the reset button in the rear panel of the
tracker. Wait for 5 minutes and check again.
2.
When the tracker is back to the office. Check the
tracker by Hyper Terminal for further information.
The tracker hardware is faulty
1.
If the GPS LED remains constant OFF or keeps
flashing after pressing the reset button, it means the
tracker may be damaged and needs to be replaced.
