VESTEL 55UA8300, Operating Instructions Manual

Page: 96 / 110

English - 94 -
Troubleshooting
When you detect an abnormal condition on your device, you may try to resolve the issue as
per the description given on the table.
If your device does not resume normal operation still, contact Vestel Communication Center.
You can find authorized services list and contact information from the web site.
PROBLEM CAUSE REMEDY
Device doesn't
turn on.
Power cable might
be unplugged.
Make sure it's plugged into the wall plug.
Batteries of remote control-
ler might be discharged. Replace the batteries of remote controller with
new ones. Press the On/Off button on TV.
Bad image quality.
Correct TV system might
not have been selected.
Make sure you have selected right TV system.
Signal level might be low.
Low signal level might cause distortion of the
image. Please check the antenna connection.
If you're performing a manual
search, frequency settings of
the channel might be incorrect.
Make sure you entered frequency settings correctly.
Antenna is connected to two
external devices simultaneously.
Disconnect either device.
There is shade,
reflection on
the display.
Tuning might be
not performed. Automatic or manual tuning/
fine tuning must be made.
Display contrast,
brightness and
colour are low.
Display settings might
be incorrect.
Adjust contrast, brightness and colour.