Symptom Cause/solution Reference pages• Is “554” selected for the HTTP port number?For the HTTP port number, select a port numberother than the following port numbers used by thecamera. The number used by the camera: 20, 21,23, 25, 42, 53, 67, 68, 69, 110, 123, 161, 162, 443,554, 995, 10669, 10670, 59000 - 61000153Cannot access from the webbrowser.• Is the same IP address provided to other devices?Are there contradictions between the address andthe network subnet to be accessed?When the camera and the PC are connected inthe same subnet:Are the IP addresses of the camera and the PC setin a common subnet? Or is “Use Proxy Server” forthe settings of the web browser checked?When accessing the camera in the same subnet, itis recommended to enter the address of the camerain the “Don’t Use Proxy For These Addresses” box.When the camera and the PC are connected inthe different subnet:Is the IP address of the default gateway set for thecamera correct?-• Is the name currently used to access the cameradifferent from the name registered for the“Viewnetcam.com” service?Access the camera again with the registered name.185• Did you access “http://” while using the HTTPSfunction?To use the HTTPS function, access “https://”. It isalso necessary to enter the port number.176Cannot access the cameravia the Internet.• Are the network settings of the camera correct?Set the default gateway or DNS server addresscorrectly. To use the DDNS service, check that thesettings are correct.• Is the setting for “Default gateway” on the“Network” page configured? Or is the settingcorrect?When communicating using IPv4:Configure the setting for “Default gateway” of “IPv4network” on the [Network] tab of the setup menu.151Operating Instructions 21721 Troubleshooting
