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.
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.
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
.
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
”
.
The product does not
work with correct
operations.
The product does not
work properly.
Perform the following operations.
→ Press the
M
RESET
N
button on the bottom side of the main monitor with
a pointed object. (Recorded images and configured settings are not
affected.)
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.
27
11. Troubleshooting