11 Troubleshooting aids
Error
Possible cause
Corrective
Various programmes will not be
displayed in the programme list.
Wrong programme list selected
Select another prograamme list
(see Section 7.2.3.1)
Sound OK, no TV picture
Radio operation activated
Switch to TV operation
Unit does not work
Defective data flow-->unit
blocked
Switch off, pull out the mains plug
for approx. 5 seconds,
then switch the unit back on
afterwards
Remote control does not work
Batteries are drained
Replace batteries
A square box is sometimes
displayed on the screen. The unit
sometimes switches over to freeze
image, no sound. screen
occasionally black with the insert
“no signal”.
Antenna incorrectly aligned
Align antenna again
No reception when using an active
aerial
Aerial feed (5V) not switched
on
Switch the aerial feed on (Section
6.2.4)
No picture, no sound,
LED does not light up
No power supply
Check the mains connection and
plug
Defective or missing cable
connection
Check all of the cable connections
Antenna incorrectly aligned
Align antenna again
No reception of programs, which
were previously ok
Antenna misaligned or defective
Check the aerial
Programme is now broadcast on
another channel
Run a search
(see Section 8.3)
This programme is no longer
broadcast
none
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