6.1 Basic troubleshooting
For advanced troubleshooting, refer the information on the following web site.
https://panasonic.net/cns/pcc/support/intercom/vl-vm
If the system does not operate correctly, particularly after installing or modifying the system, first check the
following points.
R
Power is supplied to each device
R
All cables are connected correctly and fully inserted into the terminals (see page 36 to 39)
R
The in/out connections between units are correct (see page 36 to 38)
R
The DIP switch settings for the lobby station are correct (see page 40)
R
The DIP switch settings for the distributor are correct (see page 41 to 42)
Red lit or flashing indicators for the distributor
Indicators lit or flashing in red indicate there is an error. See "4.8 Distributor POWER and ACCESS indicators
(Page 43)" for more information.
General issues
Problem
Cause & Solution
Page
Calls are disconnected.
R
The call with higher priority was made by pressing a button on
another lobby station, causing the current call to be
disconnected.
→ Wait and try again later.
R
The current call timed out and was disconnected.
→ To conserve system resources, all calls time out and are
disconnected after a programmed amount of time.
Cannot monitor lobby
stations from the main
monitor.
R
Lobby stations connected to extension boxes may not be able
to be monitored from main monitors.
R
Another lobby station and the main monitor are on a call.
Cannot monitor lobby
stations selected from the
monitor list on the main
monitor.
R
If the selected lobby station is connected to an extension box,
it may not be able to be monitored from main monitors.
Main monitor display issues
Image from
Display
Cause & Solution
Page
Lobby station
R
No image is
displayed.
R
Images have
poor quality.
R
The cables are not correctly connected.
→ Check cable connections and make sure that all
cables are fully inserted into the terminals.
R
Power is not connected to all units.
→ Check the power connection and connect power to
all units.
R
“
Doorphone
unavailable
”
is displayed.
R
It is displayed when calls from the lobby station are
disconnected.
→ This is not a device malfunction. Wait for the
message to disappear from the display.
R
It is displayed when monitoring a lobby station when
another main monitor is already on call with or
monitoring the lobby station.
→ This is not a device malfunction. Either wait for the
message to disappear from the display or press the
OFF button.
–
46
6. . Other information
6. Other information