LG E400 User Manual page 122

Troubleshooting
Message Possible causes
On/Off key pressed too briefly.
Phone cannot
Battery is not charged.
be switched
on
Battery contacts are dirty.
Battery is not charged.
Outside temperature is too
hot or cold.
Contact problem
Charging
error
No voltage
Charger defective
Wrong charger
Battery defective
120
Possible corrective measures
Press the On/Off key down for at least two seconds.
Charge battery. Check charging indicator on the display.
Clean the battery contacts.
Charge battery.
Make sure phone is charging at a normal temperature.
Check the charger and connection to the phone. Check the
battery contacts and clean them if necessary.
Plug the charger into a different socket.
If the charger does not warm up, replace it.
Only use original LG accessories.
Replace battery.