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10 Troubleshooting Guide
36
Problem
No picture, no sound, LED not
lighted
No picture, no sound, LED on
Temporary square blocks in pictu-
re, temporary freeze in picture, no
sound, screen temporarily black,
shows information “no signal”.
Sound OK, blue screen
Sound OK, no picture
No reception of signals previously
received
Remote control not working
Various programmes not shown in
programme list
Programmes such as Pro /, Sat 1,
TM 3, Kabel 1, DSF and HOT
temporarily not available
Unit not responding
Possible cause
No mains current
Short circuit in LNB connection
Defective or missing cable connec-
tion
Defective LNB
Wrong external unit set on receiver
Antenna incorrectly aligned
Strong rain or snow conditions
Antenna incorrectly aligned
Dish size may be too small for
location
Object blocking line of sight bet-
ween satellite and dish (e.g. tree)
Radio mode on
Scart plug not properly inserted in
Scart socket
Antenna alignment out or defective
Programme is being broadcast on
another transponder
Programme is no longer being bro-
adcast
Batteries are spent
Wrong programme list selected
Interference from DECT telephones
Defective data stream - unit
blocked
Solution
Check mains plug and cable
Switch unit off, repair short-cir-
cuit, switch unit on again
Check all cable connections
Replace LNB
Adjust setting (see Point 5.4)
Adjust antenna
Remove snow from antenna
Adjust antenna position
Use larger antenna dish
Mount dish differently to ensure
line of sight
Switch to TV mode
Check SCART connections
Check antenna
Proceed with programme scan
(see Point 7.4)
None
Replace batteries
Select another programme list
(Pt. 6.2.3.1)
Increase distance between
receiver and DECT base stati-
on
Disconnect mains plug for 5
seconds, then switch unit on
again
DIGIBOX1_englisch.qxd 26.09.01 09:55 Seite 36