22
10-825
Problem
Cause
Remedy
The floor video switcher
cannot be programmed
manually.
The floor video switcher has
previously been programmed
via the service unit.
Programme the floor video
switch with the service
unit.
When scrolling through
the available images on
the video internal unit, a
grey image is visible.
No video external unit or camera
connected to one of the video
switcher inputs.
Deactivate the input with
the sevice unit.
See manual service unit
10-870.
The image on the video
internal unit is not
clear.
Conductors V1 and V2 have been
reversed.
Reverse conductors V1
and V2.
Cable is unsuitable:
• Cable distance is too great.
• Cable is eroded;
• Cable cross-section too
small;
• Cable is not a twisted pair
cable.
Replace the current cable
with a suitable cable.
The gain on the splitters is not
set correctly.
Adjust the gain on the
splitters with the poten-
tiometers.
The correct camera im-
age is not displayed on
the monitor of the video
internal unit in the event
of a call.
No or wrong addresses assigned
to the video external units.
Assign the correct ad-
dresses to the video
external units with the
service unit.
See manual service unit
10-870.
6. TECHNICAL DATA
Mains supply
+24VDC
Dimensions
W52 x H52 x D23
Weight
35g
Input current
I(a)= 0,4mA
I(P)=0,4mA at rest
I(P)= 9mA operating
Permissible ambient temperature
0°C to 40°C
EN