30
Problem Description
Possible Causes
Problem Solving
When the device is being
installed, the computer cannot
find it.
1. The installation programs of
the MODEM device have not
been installed properly.
1. Run the installation program
first then connect the device.
Now install the drivers as normal
in Windows.
2. The device is not connected
properly.
2. Restart the computer, or
reconnect the device.
3. The SIM card is not inserted
properly.
3. Remove and reinsert the SIM
card correctly.
Sent message failure.
1. The SMS center number
is incorrect.
1. Your device is preconfigured
so it is unlikely that it will need
changing. However if it is
missing or incorrect contact your
operator.
Data connection failed.
1. You are in a place where
there is no GSM/GPRS/EDGE/
WCDMA/ HSPA(HSUPA)
network coverage.
1. Move to an area with a better
coverage.
2. The network is busy.
2. Try later..
3. The APN in the user
configuration file is incorrect.
3. Check the APN in the user
configuration file in the "Network
settings".
4. The device data is
corrupted.
4. Local network access
or the target server maybe
experiencing problems. Retry
data request.
5. The network type has been
selected manually, but is
incorrect.
5. Reselect the network type
according to the type of the SIM
card.
