Panasonic vlgm301a 用户手册
47
Troubleshooting
Problem
• Strong light such as sunlight is shining into the
camera of the door station. Though this may cause
the display image to become difficult to see, it is not
a malfunction.
the display image to become difficult to see, it is not
a malfunction.
• Certain types of lighting (dusk, incandescent
lighting, etc.) may be shining into the camera.
We recommend lighting the area of the door station
with white, fluorescent light.
We recommend lighting the area of the door station
with white, fluorescent light.
• The power cord is not connected. Check the
connections.
• Contact our service personnel.
The display is not clear or is
blurry.
blurry.
• The surface of the door station is dirty. Clean it with
a soft dry cloth.
• The surface of the door station is wet with dew.
Wait for the condensation to evaporate.
• Change the brightness of the display by pressing
【BRIGHT】.
The display is white, or
black or white lines are
shown on the display.
black or white lines are
shown on the display.
The color of the display is
different from the actual
color.
different from the actual
color.
The display will not display
anything or no voices can
be heard.
anything or no voices can
be heard.
Cause and solution
• The surroundings of the monitor station or the door
station are noisy. If you are using
【PUSH】mode,
your conversation may be interrupted. Try
【HOLD】
mode.
Sound cuts in/out or fades.
The monitor station and sub
monitor station does not
ring.
monitor station does not
ring.
• Press and hold
【BRIGHT】for about 10 seconds
until a beep sounds to initialize the system. Wait for
another 10 seconds and try again.
another 10 seconds and try again.
• Contact our service personnel.
I cannot talk to the visitor or
the ringer tone rings
regularly.
the ringer tone rings
regularly.
• Due to the PBX system, the beep may not sound if
“PBX SELECT” is “ON”.
The outside visitor
complains the door station
does not beep when the
call button is pressed.
complains the door station
does not beep when the
call button is pressed.
• Is the unit in
【HOLD】mode? (Page 26)
Is “PT” displayed in the LCD screen?
Your voice cannot be heard
by the outside visitor.
by the outside visitor.
• Is “RINGER VOLUME” set to “OFF” in the menu
settings?
• The power cord is not connected. Check the
connections.
• Contact our service personnel.
• You talked for more than about 3 minutes in
【HOLD】
mode. The maximum display time is approximately
3 minutes.
3 minutes.
The display turns off during
a conversation (Sound
continues).
a conversation (Sound
continues).
Help