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10. Troubleshooting
10.1 Troubleshooting
Camera images (lobby station and door station images)
Problem
Images appear distorted.
The image of the subject
is displayed in black and
white (or bluish-purple).
Images at night are dark
and faces cannot be
identified.
The images of people's
faces are dark.
Images are dirty or
unclear.
Images are not in focus.
Images are white or
black.
Images are white, or
white lines or circles are
shown on the display.
There is a small black dot
in the background.
Images are flickering.
Sound
Problem
The room monitor does
not sound a ringtone
when a call is received.
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R Images may appear distorted because of the characteristics of the
camera lens. This is not a malfunction.
R At night or when there is poor light in the area around the lobby station
or door station, the image of the subject may be displayed in black and
white (or bluish-purple).
→ The lobby station or door station may need to be configured so that
the light turns on when it is dark and a visitor is calling. This setting
is available using web programming. For more information, consult
your facility staff.
R The lobby station's or door station's light is not turning on.
→ The lobby station or door station may need to be configured so that
the light turns on when it is dark and a visitor is calling. This setting
is available using web programming. For more information, consult
your facility staff.
R The lobby station's or door station's backlight compensation feature is
turned off.
→ The lobby station or door station may need to be configured so that
the lobby station's or door station's backlight compensation feature
is turned on. This setting is available using web programming. For
more information, consult your facility staff.
R There is dirt on the surface of the lobby station's or door station's lens.
→ Wipe the lens with a soft, dry cloth.
R There is water condensation on the surface of the lobby station's or
door station's lens.
→ Wait for the condensation to evaporate.
R The "Brightness" setting is incorrect.
→ Adjust the setting.
R Strong light such as sunlight is shining into the lens of the lobby station
or door station causing images to be difficult to see on the display.
(This is not a malfunction.)
→ Locating the lobby station or door station away from direct sunlight
or changing the angle that the lobby station or door station is
installed may help reduce this problem.
R If the sun can be seen, its centre appears as a black dot. This is not a
malfunction.
R AC (alternating current) lights such as fluorescent lights are used near
the lobby station or door station.
→ AC (alternating current) lights such as fluorescent lights may cause
flickering in dark environments. (This is not a malfunction.)
R The "Do Not Disturb Time" setting is activated and the room
monitor is in "do not disturb" mode.
→ Adjust the setting.
R The "Ring Volume" setting is incorrect.
→ Adjust the setting.
Cause & Solution
Cause & Solution
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