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18. Troubleshooting
Fault
No image is displayed,
No image is displayed,
No sound
the buttons [2,3
and 4] are not illuminated
the buttons [2,3
and 4] are illuminated
A whistling sound can be heard
Dark monitor image during twilight /
darkness
The image is also too dark during daylight
The monitor image displays a bright
background, however the visitor is displayed
dark
Remedy
Check the power supply
Check the connection and polarity
Use a suitable cable (wire cross section at least
0,8 mm², max. length 70 m)
Check the connection and polarity
Place the indoor and the outdoor stations further apart
from each other
Check the power supply
Arrange additional lighting
Change the mounting height of the indoor station or
adjust the monitor brightness [14]
Install additional lighting or change the installation
location of the outdoor station
Cause
The power supply is interrupted
The power supply is interrupted
The connection between the outdoor station and
the indoor station has been interrupted
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
It is produced by acoustic feedback
The outdoor station needs additional light in order
to be able to display a good image
Your viewing angle to the monitor [1] is
unfavourable
There is too much backlighting in the background
GB - 25
Indexa GmbH
Paul-Böhringer-Str. 3
74229 Oedheim
Germany
www.indexa.de
Subject to change
