Operating Instructions

7.1 Basic troubleshooting
For advanced troubleshooting, refer the information on the following web site.
http://panasonic.net/pcc/support/intercom/vn1900
If the system does not operate correctly, particularly after installing or modifying the system, perform the
following basic troubleshooting.
R Make sure power is being supplied to each device.
For devices that use Power over Ethernet (PoE)
Make sure the PoE power supply is turned on and supplying power, then check the LAN cable connection.
For devices that use a power supply unit
Make sure the power supply unit is connected to the AC power supply and is receiving power, then check the
AC and DC wiring and the DC plug.
R Make sure that all cables are firmly connected and are connected to the correct terminals.
Setup issues
Problem Cause & Solution Page
Cannot upload data to the
system.
R The cables are not connected properly.
Make sure that all cables are firmly connected and are connected
to the correct terminals.
19
R The switching hub is not connected or not turned on.
Make sure switching hubs or any other necessary network
equipment is connected properly and turned on.
R The system devices (lobby stations, room monitors, door stations, etc.)
are not connected or not turned on.
Make sure all devices are connected properly and turned on.
General issues
Problem Cause & Solution Page
The display does not turn
on.
R The lobby station is not receiving power.
Make sure the power supply unit is connected to the AC power
supply and is receiving power, then check the AC and DC wiring
and the DC plug.
13
Calls are disconnected. 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.
7.2 Error messages
Display Cause & Solution Page
Network error.
R Consult the network administrator.
Card error.
R The card you used to unlock the door is not valid.
Use a valid card.
Password do not
match.
R The password you entered to unlock the door is not valid.
Use a valid password.
32
7. . Other information
7. Other information