User manual Multibox6T International
655603.03 rev A
Page 13
10
Support and trouble-shooting
If you need more help with installation, please contact your local distributor. You can also
find more information on our web site:
www.a2b.se
10.1
Trouble-shooting
Error
Analysis
Probably cause
Action
No sound or picture
Indicator LED red
No or poor signal
from the aerial
Adjust or replace the
aerial for a better
signal
No sound or picture
Indicator LED green
Channel search not
done on TV set
Do a channel search
on the TV set
The TV picture shows
a menu
Menu not switched off
Select Multibox 1 on
the TV. Go to
”Return” with the
arrow buttons, then
press the [OK] button
on the Multibox
Flickering sound
Is the picture OK?
Low signal level from
the aerial
Adjust or replace the
aerial for a better
signal
Flickering sound and
blockings in the
picture
Low signal level from
the aerial
Adjust or replace the
aerial for a better
signal
Flickering sound and
blockings in the
picture
Is the Multibox lying
down?
Overheating due to
faulty mounting
Mount the Multibox
vertically according to
the instructions
No stereo sound
Does the TV set have
stereo?
No Nicam/A2 stereo
decoder in the TV
Consider purchasing
a TV with Nicam/A2
stereo sound
Flickering sound
and/or blockings in
the picture
Are you using an
aerial signal
amplifier?
The input level to the
Multibox is too high
Remove the aerial
signal amplifier