Troubleshooting - DEXAPLAN VT 623 - 9-10-2007 Manual

Cause
The power supply is interrupted
The fuse has blown
The polarity of the connection between the outdoor
station and the indoor station is not correct
The connection between the outdoor station and
the indoor station has been interrupted
The cable is too long or its cross section is too small
The settings cause a "black" image
It is produced by acoustic feedback
The volume on the indoor station has been set too
low
The power supply is interrupted
The connection between the outdoor station and
the indoor station has been interrupted
The polarity of the connection between the outdoor
station and the indoor station is not correct
The video signal is not switched correctly
The wrong video system has been set
The outdoor station needs additional light in order
to be able to display a good image
Your viewing angle to the monitor is unfavourable
There is too much backlighting in the background
Remedy
Check the power supply
Remove the fuse holder [52] from the rear side of the
indoor station and replace the fuse with an equivalent
one (1 spare fuse is supplied)
Correct the polarity of the connection
Check the connection and polarity
Use a suitable cable (wire cross section at least 0.75
mm², max. length 75 m)
Change the settings in the settings menu
Place the indoor and the outdoor stations further apart
from each other
Reduce the volume on the indoor station
Regulate the volume on the indoor station
Check the power supply
Check the connection and polarity
Correct the polarity of the connection
Switch the monitor on and off using the Monitor button
[38]
Set the system to PAL
Arrange additional lighting
Change the mounting height of the indoor station or
adjust the monitor brightness
Install additional lighting or change the installation
location of the outdoor station
GB / IE - 25