LG Electronics GM750 Cell Phone User Manual


 
125
Troubleshooting
This chapter lists some problems you might encounter while using your
phone. Some problems require you to call your service provider, but most
are easy for you to correct yourself.
Message Possible causes Possible Solutions
USIM error
There is no USIM card in
the phone or it is inserted
incorrectly.
Make sure the USIM card is correctly
inserted.
No network
connection
Signal weak
Outside GSM network area
Move towards a window or into an
open area. Check the service provider
coverage map.
Codes do not
match
To change a security code,
you will need to confirm
the new code by entering
it again.
Contact your Service Provider.
Function
cannot be set
Not supported by Service
Provider, or registration
required
Contact your Service Provider.
Calls not
available
Dialling error
New USIM card inserted.
Charge limit reached
New network not authorised. Check
for new restrictions. Contact Service
Provider or reset limit with PIN 2.
Phone cannot
be switched on
On/Off key not pressed long
enough
Battery empty
Battery contacts dirty
Press the On/Off key for at least two
seconds.
Keep the charger connected for a
longer period of time.
Clean the contacts.