LG UN510 Owner's Manual page 107

Symptom
On/Off key pressed
too briefly.
Phone cannot
Battery is not
be switched
charged.
on.
Battery contacts are
dirty.
Battery totally empty.
Contact problem.
No power from outlet.
Charging error.
Charger defective.
Wrong charger.
Battery defective.
Network
connection is Signal too weak.
lost.
The Fixed Dial
Number not
Number function is
permitted.
on.
Phone locked-
up and does Battery installing.
not function.
Possible causes Possible Corrective measures
Press On/Off key for at least two
seconds.
Charge battery. Check charging
indicator in the display.
Clean the battery contacts.
Charge battery.
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.
Test with another charger.
Only use original LG accessories.
Replace battery.
Reconnection to another service
provider if network mode is
automatic.
Check the Settings menu and turn
the function off.
Remove the battery and install it to
restart your phone again.
(similar to how you may restart your
PC/computer).
105