6. Troubleshooting
12
The main monitor does
not work properly.
R
Nothing is displayed
on the monitor.
R
The ringtone does not
sound.
R
Voices cannot be
heard.
R
The main monitor can only operate when there are incoming calls or
during calls from the lobby station.
If the main monitor does not operate when the lobby station calls the
main monitor, there may be a problem with the electrical wiring.
→
Contact an authorised service centre.
–
Problem
Cause & Solution
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prj_4365-as_is.book Page 12 Monday, August 27, 2018 6:03 PM
