LG Optimus L9 - LG P760 User Manual
114
Troubleshooting
Message
Possible causes
Possible corrective measures
Phone cannot
be switched
on
be switched
on
On/Off key pressed
too briefly.
Battery is not charged.
Battery contacts are
dirty.
too briefly.
Battery is not charged.
Battery contacts are
dirty.
Press the On/Off key down for at least two
seconds.
Charge battery. Check charging indicator on the
display.
Clean the battery contacts.
seconds.
Charge battery. Check charging indicator on the
display.
Clean the battery contacts.
Charging
error
error
Battery is not charged.
Outside temperature is
too hot or cold.
Contact problem
Outside temperature is
too hot or cold.
Contact problem
No voltage
Charger defective
Wrong charger
Battery defective
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.
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.
Number not
permitted
permitted
The Fixed dialling
number function is on.
number function is on.
Check the Settings menu and turn the function
off.
off.
Impossible
to receive /
send SMS &
picture
to receive /
send SMS &
picture
Memory full
Delete some messages from the phone.
Files not
opening
opening
Unsupported file
format
format
Check the file formats that can be supported.
SD card not
working
working
FAT16, FAT32 file
system supported
system supported
Check SD card file system via card reader, or
format SD card using the phone.
format SD card using the phone.