User's Guide

W i r el e s s B r o a d b a n d M o d e m Us e r G ui d e 4 7
Error Message Cause Recovery Action
User not known to
network
This only affects modems
that have a SIM card
present.
It indicates one of the
following problems:
1) The wrong SIM card is
being used
2) The SIM card is faulty
Check that the SIM card
being used is the one
provided by your service
provider.
If it is the correct SIM card
contact your service
provider’s technical support
for assistance.
Modem barred
from network
The modem has been
barred from the network.
Contact your service
provider’s technical support
for assistance.
Network not
allowed
This indicates that the
modem has tried to
connect to a forbidden
network.
Contact your service
provider’s technical support
for assistance.
Network details
rejected
There is a problem with
the network.
Session establishment
should be re-attempted.
If the problem persists
contact your service
provider’s technical support
for assistance.