Troubleshooting - Intercel Ultra SAM4W User Manual

Ultra SAM4W User Guide V1.3

6 Troubleshooting

The modem is switched on but it cannot connect to the network (internet LED is
OFF).
Please check:

That the antenna is properly connected and the value of the signal strength, please refer to status summary.
If the signal is too weak, the modem might have difficulties to connect.

That SIM card has a valid subscription and is not locked due to a pin code (see the configuration instructions
to take care of the pin code). Put the SIM card in a mobile phone to check it if necessary.

That the SIM card is properly inserted in the UltraSAM4W modem. Remove it from the modem and plug it
again.

Your firmware configuration: APN and PPP username/password, SIM pin code management.
If you do not see any improvement, please use the "Reset to Default" function (either use the Reset Button or the
HTTP interface): it is going to reset the UltraSAM4W modem to its factory default configuration. You will need to
configure again the UltraSAM4W modem.
The modem is connected to the network (Internet LED is ON) but the PC, that is
connected to the UltraSAM4W modem through an Ethernet cable, cannot browse
internet.
Please check:

That the Ethernet cable is properly connected between the UltraSAM4W modem and the PC.

The IP configuration of PC. The Ethernet connection can be set to have either a "static" IP address or
configuration or to use the "automatic" mode (DHCP). It is preferable to use the automatic mode to get the IP
and DNS addresses from the UltraSAM4W modem.

There is no DNS addresses discrepancy between the UltraSAM4W modem and the PC. Check the DNS
addresses on the "Summary" page of the HTTP interface of UltraSAM4W and on your PC Ethernet connection
status.
If you do not see any improvement, please use the "Reset to Default" function (either use the Reset Button or the
HTTP interface): it is going to reset the UltraSAM4W modem to its factory default configuration. You will need to
configure again the UltraSAM4W modem.
To disable and re-enable the Ethernet connection of your PC can also help to reset the IP configuration.
53 Ver1.3