LG GM750 User Manual page 269

Message
st
Charging error
Phone loses
network
Number not
permitted
Possible causes
Battery totally empty
Temperature out of range
Contact problem
No mains voltage
Charger defective
Wrong charger
Battery defective
Signal too weak
The Fixed dial number
function is on.
Possible Solutions
Charge the battery.
Make sure that the ambient
temperature is right, wait for a while,
and then charge again.
Check the power supply and
connection to the phone. Check the
battery contacts and clean them if
necessary.
Plug in to a different socket or check
the voltage.
If the charger does not warm up,
replace it.
Only use original LG accessories.
Replace the battery.
Reconnection to another service
provider is automatic.
Check settings.
119