Problem
No image appears when the Entrance Panel/
appears
Cycling key
No control is performed when the Door
Lock key
The switchboard does not ring
From the entrance panel it is difficult to hear
who is speaking
26
is pressed
is pressed
6 Troubleshooting
Solution
- 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
- check that the switchboard is correctly wired
and configured;
- check that the switchboard is correctly wired
and configured;
- check that the bell volume has not been
turned right down.
- 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