Kathrein UFS 640si - Manual (Page 77)

77
TROUBLESHOOTING
In the event of a malfunction, fi rst check all the cable connections and operating states:
1. Receiver and TV set power plugs are connected to wall socket
2. Antenna cables on receiver input
3. Receiver and TV set correctly connected by a Scart or cinch cable
4. Audio connections are made to Hi-Fi or Dolby Digital system as appropriate
5. Receiver and TV set (Hi-Fi/Dolby Digital system) are switched on (check power indicators)
6. Receiver is responding to remote control
A selection of troubleshooting tips is offered below.
Problem Cause Remedy
“Weak or no signal!” warning
appears on some or all
channels
Antenna signal of satellite
reception system missing or
faulty. Incorrect LNB frequencies
set in the “Antenna Confi guration”
menu.
Consult an antenna specialist to
have it checked and repaired as
necessary. On “Installation” menu
check LNB confi guration for the
satellite in question: High L.O.
“10.600” GHz, Low L.O. “9.750”
GHz, and Limit frequency L.O.
“11.700 MHz”, and change as
necessary.
Remote control no longer
responding
Receiver or remote control
command set may have been
unintentionally changed
Set infrared code 1
(simultaneously press the buttons
+

). Check the batteries
Wrong time being displayed
“Summer Time” setting
wrong. An incorrect time was
imported from the reception
signal
On “Settings” - “Date and Time
Setup” menu check “Summer
Time Enabled” and change as
necessary Switch off receiver at
mains switch from current channel,
e.g. ARD or ZDF, wait 10 seconds
and then switch back on
The following channels cut out
or “Weak or no signal!” appears:
DSF, Tele 5, HSE 24 and
Sonnenklar TV
DECT telephones operate on
the same frequency as these
channels. Interference may occur
due to inadequate level or poor
shielding of cable
Consult your antenna specialist
Black or blue screen, no on-
screen displays
Scart connection to TV deactivated
by accidentally pressing the 0
button Keep pressing the 0 button until
the TV picture reappears on-
screen