LG GW620 User Manual page 106

Trouble Shooting
Message
Number not
permitted
The screen
does not turn
on when I
receive a call.
104 LG GW620
Possible
causes
The Fixed dial
number function
is on.
Proximity sensor
problem
| User Guide
Possible Solutions
Check settings.
The proximity sensor is detecting a
obstacle in front of the screen and
turns off the screen to avoid accidental
keypresses.
Make sure that the area around the
proximity sensor is clean and perform a
calibration of the sensor.
(Please refer to page 100 for more
information)