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26
6 Troubleshooting
Problem
Solution
No image appears when the Entrance Panel/
Cycling key
appears
is pressed
- check that the switchboard is correctly wired
and configured;
- the audio/video channel may be busy, wait
for it to become free and try again
No control is performed when the Door
Lock key
is pressed
- check that the switchboard is correctly wired
and configured;
The switchboard does not ring
- check that the switchboard is correctly wired
and configured;
- check that the bell volume has not been
turned right down.
From the entrance panel it is difficult to hear
who is speaking
- speak at a maximum distance of 50 cm from
the handsfree microphone;
- reduce the volume of the entrance panel
microphone and increase the volume of the
EP speaker
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