Number
Short Name
Remedial solutions by SRT
308
Network detached
mobile
Verifying the settings on the web console.
Restart the BDU and try again.
If the problem persists, please contact your Service Provider.
309
GPRS not allowed
Verify the correct settings in the web console and contact your Service
Provider to activate authorised service.
310
Service not allowed
Verify the correct settings in the web console and contact your Service
Provider to activate authorised service.
311
Identity cannot be
derived
Network registration failure. The BDU will retry automatically.
If the problem persists, please contact your Service Provider.
312
Location area not
allowed
Network connection failure due to the terminal which is not allowed in
the location area.
Please contact your Service Provider.
313
Temporary registration
failure
Network registration failure. The BDU will retry automatically.
If the problem persists, please contact your Service Provider.
314
General registration
failure
Network registration failure. The BDU will retry automatically.
If the problem persists, please contact your Service Provider.
315
Registration retries
exhausted
Network re-connection failure. Restart the BDU if the problem persists.
401
Signal lost
Make sure no obstruction is blocking satellite signal and the ADU has
a clear sky view in the direction of the satellite.
If the problem persists, restart the BDU.
402
Pilot tracking
Make sure no obstruction is blocking satellite signal and the ADU has
a clear sky view in the direction of the satellite
403
No GPS
Make sure no obstruction is blocking satellite signal and no object is
placed over the ADU.
Wait for 5 minutes for the GPS position to be updated.
If the problem persists, restart the BDU.
404
Old GPS
A new GPS fix is obtained during the connection process, super-
seding the old fix. The terminal will reacquire the connection.
If the problem continues and the new connection cannot be re-estab-
lished, please contact your Service Provider.
501
LLC or SNDCP failure Network connection failure caused by LLC or SNDCP failure. Restart
the BDU.
If the problem persists, please contact your Service Provider.
55
6. Troubleshooting