Walchem WCT400 Series Instruction Manual

Walchem WCT400 Series Instruction Manual Manual pdf 35 page image

325.11 Access Code MenuThis menu determines whether the access code feature of the controller is enabled or disabled andallows you to customize the access code to your own value. The access code controls whether or notyou are allowed to change the parameters in the controller. With the access code disabled, any user maychange any parameter. With the access code enabled, any user can view any parameter, but cannotchange them. Once an attempt is made to change a parameter, the display will prompt the user to enterthe access code. If the correct access code is entered, the parameters can be changed. If the wrongaccess code is entered the parameters cannot be changed. Once the access code has been correctlyentered, it will remain valid until there is a period of 10 minutes without a key being pressed. Theaccess code menu will appear as shown below:The access code menu will appear as shown below:Access Code DIS Indicates that the access code is disabled. No access code is required to change any setting.Access Code REQ Indicates that the access code is required to alter settings.Access Code OK Indicates that the access code is required and has been entered correctly.Enable N / Y Press the Up or Down arrow key to change the N to Y and press ENTER to enable the access codefeature. If the access code is enabled you must first enter the access code to disable it.New Value Press ENTER to display the current access code value and use the arrow keys to change it to any valuebetween 0 and 9999. If the access code has been enabled, you will be prompted to enter the currentaccess code before being allowed to change it. You must remember the access code if you enable it.The Factory default Access code is 1995.If you change the access code and can't remember it follow this procedure:1. Turn off power to the controller.2. Wait 10 seconds.3. Press and Hold the UP and DOWN arrow keys while turning on the power.4. Read the access code on the display.5. Release the keys, and the access code will disappear.Figure 18 Access Code Menu