54
For ease-of-use
If a problem occurs while operating the system, check the following items.
Problem
Cause
Solution
Reference
Page
Screen is black
If the master station is not
placed on the charging stand
after a certain time, the screen
switches off.
Either press any button on the master
station or place it on the charging stand.
16
Nothing is displayed
even when one of the
buttons of the master
station is pressed
Has the battery run out?
Charge the battery.
22
Has the connector of the
battery pack been pulled out?
Connect the connector of the battery pack
securely.
22
The screen is white
or displaying white
vertical lines or rings
Sunlight or other strong
light may be hitting the
camera lens of the video
door station. (This does not
indicate a malfunction.)
Install the video door station in a location
where it is not pointing direct sunlight.
20
The screen is too dark
or too bright, and it is
dif
fi
cult to view
The brightness of the room
may make it dif
fi
cult to view
the screen.
Adjust the brightness of the screen to
make it easier to view.
43
Motion of the subject is
blurred at night
At nighttime, a moving
subject may be blurry and
hard to see because the
amount of light on the
subject is low.
Adding light may increase the visibility.
20
Video is fuzzy or
refreshing is slow
(approx.
fi
ve seconds
or longer)
Is your hand covering the
(internal) antenna section
on the rear surface of the
master station?
Remove your hand from the antenna
section.
14
Are the master station and
video door station too far or
is there a concrete wall or
other obstacle between the
master station and video
door station?
Move the master station and video door
station closer to each other or move the
master station to a location without any
obstacles.
7/8
Cannot place a call.
Cannot receive a call.
Error sounds when
you call.
Are the master station and
video door station too far
apart or is there a concrete
wall or other obstacle
between the master station
and video door station?
Move the master station and video door
station closer to each other or move
the master station to a location with no
obstacles.
7/8
Has the battery of the master
station run out?
Charge the battery.
22
Is the remaining battery level
of the video door station low?
Check the remaining battery power.
50
There is no master
station ringtone when
receiving a call from
the video door station
Is the master station ringtone
volume set to "Off"?
Adjust the master station ringtone volume.
37
Has the battery of the master
station run out?
Charge the battery.
22
Video takes time to
be displayed on the
master station after
the call button of the
video door station is
pressed
Video will be displayed
approx. six seconds after
the call button is pressed.
However, this does not indicate a
problem.
-
Troubleshooting
