LG KF900 User Manual page 192

Message
Charging
error
92
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 Corrective measures
Charge battery.
Make sure the ambient temperature is right,
wait for a while, and then charge again.
Check power supply and connection to the
phone. Check the battery contacts, clean
them if necessary.
Plug in to a different socket or check voltage.
If the charger does not warm up, replace it.
Only use original LG accessories.
Replace battery.
Reconnection to another service provider is
automatic.
Check settings.