Troubleshooting; Troubleshooting By Symptom - Mitsubishi Electric NZ2FTGN User Manual

4.4

Troubleshooting

If problems that occur on the Web server, perform the following.

Troubleshooting by symptom

Cannot access the Web server
Check the following items in order from the top.
Item
Is the PW LED of the coupler lit in green?
■For the NZ2FT-GN, NZ2FT-PN, NZ2FT-MT, NZ2FT-EIP
Is the USB cable or Ethernet cable connected correctly to the
coupler?
■For the NZ2FT-BT and NZF2FT-PBV
Is the USB cable connected correctly to the coupler?
When connected via the USB port, is the URL set to the IP
address specified by the parameter "IP address USB port"?
When connected via the USB port, has the correct IP address
been set on the personal computer?
When connected via the Ethernet port, has the parameter "IP
address" been set to the correct IP address on the Ethernet port?
Is a proxy server being used?
Is the parameter "Webserver via Ethernet" set to "Disabled"?
Is "Overview" displayed?
Is the Web server being accessed via HTTP?
Is the progress bar on the startup window stopped at 15%?
*1 Even when connected via the USB port, it may not be possible to access the Web server if an invalid IP address is set on the personal
computer. Check the IP address of the personal computer.
*2 The IP address of the personal computer connected via the USB port is assigned automatically. If the IP address of the personal
computer is not as shown below, set the IP address manually.
Parameter "IP address USB port" setting
192.168.1.202
192.168.2.202
192.168.3.202
192.168.4.202
192.168.5.202
Action
If the PW LED of the coupler is off, check the following and take corrective action.
■The module status LED of the I/O module lights up in green.
Repair or replace the coupler. The possible cause is an internal fuse failure.
■The module status LED of the I/O module is off.
(1) If the external power supply (24VDC) is not wired, wire it.
(2) If the external power supply (24VDC) is not turned on, turn it on.
(3) Adjust the voltage of the external power supply (24VDC) if it is not within the range of
performance specifications.
If the problem still persists despite the above measures, replace the coupler.
■The PW LED on the NZ2FT-GN is flashing in green.
Page 123 When the PW LED is flashing in green
Connect the USB cable or Ethernet cable correctly.
Change the URL to the IP address set with the parameter "IP address USB port".
The setting range of the parameter "IP address USB port" is the following five patterns
only. If the set IP address is forgotten, try these five patterns.
• 192.168.1.202
• 192.168.2.202
• 192.168.3.202
• 192.168.4.202
• 192.168.5.202
An invalid IP address may be set on the personal computer.
*1
• Set the IP address of the personal computer manually and access the Web server.
• Set the parameter "IP address" correctly.
Connect via the USB port and set the IP address of the parameter "IP address" correctly.
Check the proxy server settings. After completion, restore the proxy server settings.
Set the parameter "Webserver via Ethernet" to "Enabled". Alternatively, connect via the
USB port.
Clear the browsing history of the Web browser.
Access the Web server via HTTPS. After accessing, change the parameter "HTTPS
setting" to "HTTP & HTTPS concurrent operation".
Change your Web browser to Mozilla Firefox, Google Chrome, or other browser.
IP address of the personal computer connected via the USB
port
192.168.1.201
192.168.2.201
192.168.3.201
192.168.4.201
192.168.5.201
*2
4 WEB SERVER
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4.4 Troubleshooting
4