35TroubleshootingCheck the following before requesting repair.Consult your sales shop if these measures do not resolve a problem, if symptoms not listed here occur, or if you have a questionrelated to engineering.Symptom Cause/solution Reference pagesAccess is not possible froma Web browser.wp Is a category 5e or higher cable connected to the networkconnector? Use a category 5e or higher cable.—wp Is the link lamp lit up? If it is not lit up, the LAN may not be connected properly orthe network that the unit is connected to may not be workingproperly. Check the cable connections and wiring.—wp Is the power for the Center Module turned on? Check if the power is turned on for the Center Module.OperatingInstructionsGuide>wp Are you accessing the wrong IP address? Follow the steps below to check the connection.In the Windows command prompt, input > ping ***.***.***.*** (***is the IP address of the Center Module).If “Reply” is received from the Center Module, the connection isworking properly.If “Reply” is not received, check the IP address of the CenterModule.OperatingInstructionsInstructions>wp Is the IP address the same as that of another device? If so, use a different IP address.OperatingInstructionsInstructions>wp Is the network subnet mask set properly? If the Center Module and the PC are both connected in thesame subnet:Set the IP address of the Center Module and the PC to the samesubnet. When accessing the Center Module in the same subnet,it is recommended to set the Center Module address to the“remove from proxy” address. If the Center Module and the PC are connected to differentsubnets:Check the default gateway value set to the Center Module.OperatingInstructionsInstructions>wp Did you try accessing “http://” while using the HTTPSfunction? When using HTTPS, access by writing “https://”. Also, the portnumber must be entered.P. 12wp Did you change the HTTP port number or HTTPS portnumber? If the HTTP port number or HTTPS port number has beenchanged, input “http://Center Module IP address:port number”into the address bar of the Web browser.—