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# For operations

Problem | Cause/solution
--- | ---
The camera cannot be turned on. | Does the power cable plugged into the power outlet securely?
Operation from the IP connected remote camera controller is not possible | Is the power turned on? If the <DC IN> lamp of the camera is not lit, the power of the camera is off.
| Is a valid IP address of the camera set?
| Is the correct camera to be operated selected?
| Is the remove camera controller connected correctly? Also refer to the Operating Instructions of the remote camera controller.
| Update of the firmware for the remote camera controller to support this unit may be required. Contact your dealer.
The camera cannot be accessed from the web browser. | Is the camera connected via the <LAN> terminal using a LAN cable of category 5 or higher?
| Is the lamp of the <LAN> terminal lit? If it is not lit, the camera may not be connected to LAN correctly, or the connected network is not functioning properly. Check the contact and wiring of the LAN cable.
| Is the power turned on? If the <DC IN> lamp of the camera is not lit, the power of the camera is off.
| Is a valid IP address of the camera set?
| Does the camera access a wrong IP address? (Windows) Execute >ping xxx.xxx.x.xx (xxx.xxx.x.xx is the IP address set for the camera) on Windows command prompt. If the camera responds, the camera is operating normally. If the camera does not respond, restart the camera and change its IP address within 20 minutes using EASY IP Setup Software.
| Does the camera access a wrong IP address? (Mac) Execute >ping -c 10 xxx.xxx.x.xx (xxx.xxx.x.xx is the IP address set for the camera) on Terminal of OS X. If the camera responds, the camera is operating normally. If the camera does not respond, restart the camera and change its IP address within 20 minutes using EASY IP Setup Software.
| Is the port number set to 554? Set an HTTP port number other than the following port numbers that are used by the camera. [20], [21], [23], [25], [42], [53], [67], [68], [69], [110], [123], [161], [162], [554], [995], [10669], [10670], [49152], [59000] - [59999], [60000] - [61000]
| Does the set IP address conflict with another device? Check the IP addresses of the camera, access devices (computer, controller, etc.), and other cameras.
| Does the set subnet mask match the subnet of the network where the camera is installed? Check the subnet mask set for the camera and access devices, and consult your network administrator.
| Is [Use a proxy server] set on the web browser? (When the camera and computer are connected to the same subnet) If a proxy server is set in [Proxy settings] of the web browser, it is recommended that an address that is excluded from proxy is set for the IP address.
| Is the default gateway set for the camera wrong? (When the camera and computer are connected to separate subnets) Check the default gateway set for the camera, and consult your network administrator.
The setting values on the [Setup] screen are not updated successfully or not displayed. | Press the F5 key on the keyboard of your computer to request update of the setting values. (Windows)
| Press the Command + R keys on the keyboard of your computer to request update of the setting values. (Mac)
| Perform the following procedure to delete Internet temporary files. (Windows) Select [Tools] - [Internet Options] on Internet Explorer. Click the [General] tab, and then click the [Del] button on [Browsing history]. On the [Delete browsing history] dialog box, set the [Temporary Internet Files] check box to on and click the [Del] button. Click the [OK] button.
| Perform the following procedure to delete Internet temporary files (cache). (Mac) Select [Safari] - [Empty Cache] on Safari. Click the [Empty] button in the [Are you sure you want to empty the cache?] pop-up window.
| For Internet temporary file configuration, set [Check for newer versions of stored pages] to [Every time I visit the webpage]. (Windows) Perform the following procedure to set. Select [Tools] - [Internet Options] on Internet Explorer. Click the [General] tab, and then click the [settings] button on [Browsing history]. On the [Temporary Internet Files and History Settings] dialog box, set the [Every time I visit the webpage] radio button of [Check for newer versions of stored pages] to on. Click the [OK] button.
| The port of the camera may be filtered by the firewall function of the anti-virus software, etc. Change the HTTP port number of the camera to another port number that is excluded from filtering.
The setting file cannot be downloaded. | Is the file download function disabled? (Windows) Perform the following procedure to set. Select [Tools] - [Internet Options] on Internet Explorer. Click the [Security] tab, and then click the [Custom Level…] button on [Security level for this zone]. On the [Security Setting] dialog box, set the [Enable] radio button of [Download file] to on. Set the [Enable] radio button of [Automatic prompting for file downloads] to on. (Internet Explorer 8 only) Click the [OK] button. Click the [OK] button.
The screen for authentication is displayed continuously. | Has the user name or password been changed? While accessing the camera, if the user name or password for the user who has logged in from a separate web browser is changed, the screen for authentication appears every time the screen is switched. Close the web browser and access the camera again.
| Has the setting for user authentication method been changed? If the setting of [User auth.] - [Authentication] has been changed, close the web browser and access again.
It takes long before the image is displayed. | Is the camera on the same local network accessed via proxy? Configure your web browser so that the camera is not accessed via proxy.
| Are multiple users viewing the IP images on the camera at the same time? When multiple users access the IP images on the camera at the same time, it may take longer to display the images on the screen, or the refresh rate of IP images may decrease.

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