Owners manual

68 LG GT400 | User Guide
Message Possible causes
Possible Corrective
measures
Phone cannot
be switched on
On/Off key pressed too
briefly
Battery empty
Battery contacts dirty
Press On/Off key for at least
two seconds.
Charge battery. Check charging
indicator in the display.
Clean contacts.
Charging error
Battery totally empty
Temperature out of range
Contact problem
No mains voltage
Charger defective
Wrong charger
Battery defective
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.
Phone loses
network
Signal too weak
Reconnection to another
service provider is automatic.
Number not
permitted
The Fixed dial number
function is on.
Check settings.
Trouble Shooting