Panasonic VL-V900 Installation And Operating Instructions Manual page 63

Main monitor display issues
Image from
Lobby station R No image is displayed
R Images have poor quality.
Camera No image is displayed (blue
screen).
Error messages displayed on the main monitor
Message
When connected to a
PBX:
System in use
R Cannot connect
R Setup failed
(displayed after
selecting to overwrite
a room number)
Display
(blue screen).
R Another call is in progress.
→ Wait and try again later.
R The control box is not connected properly to the PBX (telephone
system) that controls the terminals, or the control box cannot call the
PBX for some reason.
→ Check the connections between the control box and the PBX, and
all relevant PBX settings.
R The cables are not correctly connected.
→ Check cable connections and make sure that all cables are fully
inserted into the terminals.
– You can also use the Connection check function (page 41) of
the setup tool to check connections.
R Power is not connected to the control box.
→ Check the power connection and connect power to the control box.
Cause & Solution
R The cables are not correctly connected.
→ Check cable connections and make sure
that all cables are fully inserted into the
terminals. In particular, check the
connection between the terminals (V1 and
V2) of the control box and distribution box.
– You can also use the Connection
check function (page 41) of the setup
tool to check connections.
R Power is not connected to all units.
→ Check the power connection and connect
power to all units.
R The following settings are not configured to the
same values for all lobby stations connected to
the same extension box.
– Camera Display Priority
– Camera Signal
– Time and date settings
– Monitor Time Out
– Talk Time Out
– Lift Signal Mode
– Lift Signal Time
→ Configure the same values for the settings.
R The cable is not connected to the camera.
→ Connect the cable to the camera.
R Power is not connected to the camera.
→ Check the power connection and connect
power to the camera.
R The signal format (PAL or NTSC) used in
incorrect.
→ Match the signal format setting (page 43)
to the signal format used by the camera.
Cause & Solution
7. Other Information
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