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Appendix B - Troubleshooting

NXV-300 Modero Virtual Touch Panel

Appendix B - Troubleshooting

This section describes the solutions to possible hardware/firmware issues that could arise during the common operation

of a Modero touch panel.

Troubleshooting Information

Symptom Solution

When using G4 WebControl to

communicate with a target panel, a

VNC Server dialog appears on my

screen.

• During a WebControl connection to a target panel, a G4 Authentication

dialog will ask you to enter the assigned password for the panel before

allowing access.

• If prompted with a VNC Server dialog, enter the IP Address of the target

panel. This can be found within the Setup > Protected Setup > System

Connection page. This IP Address of the panel appears within the IP

Settings section of this page

• Enter the IP Address and click OK. When prompted with the G4

Authentication popup, enter the panel’s WebControl password.

My Modero panel isn’t appearing in

my Workspace window.

• Verify that the System number is the same on both the NetLinx Workspace

window and the System Connection page on the Modero panel.

• Verify that you have entered the proper NetLinx Master IP and connection

methods into the Master Connection section of the System Connection page.

My Modero panel can’t obtain a

DHCP Address

In requesting a DHCP Address, the DHCP Server can take up to a few minutes to

provide the address.

• Verify that an active Ethernet connection is attached to the rear of the

Modero before beginning these procedures.

• Select Diagnostics > Network Address from the Main menu and verify the

System number.

• If the IP Address field is still empty, give the Modero a few minutes to

negotiate a DHCP Address and try again.

NetLinx Studio only detects one of

my connected Masters.

Each Master is give a Device Address of 00000.

• Only one Master can be assigned to a particular System number. When

working with multiple Masters, open different instances of NetLinx Studio and

assign each Master its own System value.

• Example: a site has an NXC-ME260/64 and an NI-4000. In order to work with

both units. The ME260/64 can be assigned System #1 and the NI-4000 can

then be assigned System #2 using two open sessions of NetLinx Studio 2.

I can’t seem to connect to a NetLinx

Master using NetLinx 

Studio 2.

From the Settings > Master Comm Settings > Communication Settings >

Settings (for TCP/IP), uncheck the "Automatically Ping the Master Controller

to ensure availability" box.

• The pinging is to determine if the Master is available, and to reply with a

connection failure instantly if it is not. Without using the ping feature, you will

still attempt to make a connection, but a failure will take longer to be

recognized. Some firewalls and networks do not allow pinging, though, and

the ping will then always result in a failure.

• When connecting to a NetLinx Master controller via TCP/IP, the program will

first try to ping the controller before attempting a connection. Pinging a

device is relatively fast and will determine if the device is off-line, or if the

TCP/IP address that was entered was incorrect. If you decide NOT to ping

for availability and the controller is off-line, or you have an incorrect TCP/IP

address, the program will try for 30-45 seconds to establish a connection.

Note: When trying to connect to a master controller that is behind a firewall,

unchecking this option may be required. Most firewalls will not allow ping requests

to pass through for security reasons.

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