Ringtone
Problem Cause & Solution Page
The ringtone for the
doorphone does not
sound.
R The ringtone volume is muted.
→
Activate the sound for the ringtone.
21
Calls
Problem Cause & Solution Page
Sound cuts in/out or
fades.
R The area surrounding the main monitor, extension monitor, or
doorphone are noisy, causing the sound to cut out or fade.
→
Try using the "Press-to-talk" mode.
14
Calls cannot be heard
because of noise or
feedback.
R Noise
or feedback may occur when you are too close to the other party.
→ Move away from the other party.
-
Your voice cannot be
heard by the visitor but
the visitor’s voice can be
heard.
R You
are using the "Press-to-talk" mode. ( is displayed on the main
monitor/extension monitor.)
→ When using the "Press-to-talk" mode, the visitor can hear your
voice only while you are pressing M N.
14
Others
Problem Cause & Solution Page
R “Demo mode” is
displayed on the
screen.
R The
ringtone regularly
sounds.
R You cannot talk or
make calls.
R The “Demo mode” feature is enabled.
→
Set “Demo mode” to “Off”.
23
The product does not
work with correct
operations.
The product does not
work properly.
Perform the following operations.
→ Press
the MRESETN button on the bottom side of the main monitor with
a pointed object. (Recorded images and configured settings are not
affected.)
10
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 Check the power connection.
–
R If the power is connected, there may be a problem with the electrical
wiring.
→
Contact an authorised service centre.
11.2 Error messages - main monitor
Error messages can be viewed by pressing M N.
Display Cause & Solution Page
“Cannot register.” R Registration failed because it was not completed within the specified
time.
→
Check that the devices to be registered are correctly connected
and receiving power, and then try again.
24
27
11. Troubleshooting
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