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13-1.Trouble with connection
13-1-1.Logon screen is not displayed.
13-1-2.Unable to log on.
No. Cause Solution
1 The controller is not turned on. Turn on the controller.
2 The HUB is not turned on. Turn on the HUB.
3 The LAN cable is not connected. Check that the LAN cable is inserted into the controller and PC and connect
them.
4 The same subnet is not set for the IP address of the
controller and that of the PC.
Check the controller and PC IP addresses, and set the same subnet for them.
For further details, refer to “Network Configuration Guide”.
5 The browser software is set to use the proxy server. In setting the browser proxy server, add the controller IP address to the
address that does not use the proxy server.
For further details, refer to “Network Configuration Guide”.
6 The URL entered in the browser software is incorrect. Check that the URL is http://the controller's IP address/index.html
, and
correctly enter this URL.
7 The controller has freezed. Turn off the controller and wait about 30 seconds. Turn it on again, then
access from the browser software after 5 minutes.
8 The controller does not work.
1.Check that the controller and HUB are turned on.
2.Check that the LAN cable is connected.
3.Check that the LED of the controller LAN connector illuminates.
* If the LED does not illuminate, the controller is defective. It needs to
be repaired.
9 The PC is malfunctioning.
1.Restart the PC and check again if it works.
2.Replace the PC and check again if it works.
10 The LAN cable is defective. Replace the LAN cable and check again if it works.
No. Cause Solution
1 The controller is being initialized during the startup
process.
The dialog message, “No response from the server.” or
“The system is being prepared..” appears.
Close the browser once. Wait for 5 minutes and log on again.
2 The user name or password are incorrect.
The dialog message, “You failed in login.” appears.
Enter correct user name and password.
3 No user name is entered.
The dialog message, “Please input user name.”
appears.
Enter a correct user name.
4 No password is entered.
The dialog message, “Please input password.” appears.
Enter a correct password.
5 The same user name has already logged on.
The dialog message, “The same user is logged
already.” appears.
1.Use another user name to log on.
2.If the user logged on can be identified, ask the user to log off.
3.If neither of the above two is unavailable, turn off the controller to log
off all the users.
6 The controller has freezed.
The dialog message “The system is being prepared.”
appears. Even if the browser is once closed and after 5
minutes the controller is logged on, the dialog message
“The system is being prepared.” still appears.
Turn off the controller and wait about 30 seconds. Turn it on again, then log
on after 5 minutes.
7 Invalid data was written to the file in the controller.
• The dialog message “The system is being
prepared.” appears. Even if the browser is once
closed and after 5 minutes the controller is logged
on, the dialog message “The system is being
prepared.” still appears.
• Even if the controller is once turned off and logged
on again after 5 minutes.
Initialize the setting file with the setting file creation software. For further
details, refer to the owner’s manual of the setting file creation software.
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