SEAL 3J0377 - Caterpillar

System and Cabinet Manual Controls
The UPS has manual controls on the system cabinet. The following sections describe the operation of the manual controls.
Illustration 1 g03877515
Touchscreen panel and manual ups control
(1) Touchscreen
(2) USB port
(3) Three positions key switch
(4) EPO button
(5) Horn silenceEmergency Power Off Button (EPO Button) (4) - The EPO button is red and labeled "EPO" for identification. This button is used to place the system in shutdown mode.Note: When the EPO button is used, the entire system is secured. Power is not supplied to the load. However, voltage is still present on the input terminals. The critical load will lose protected power unless a protected external bypass has been provided.Horn Silence Button (5) - Pressing this button silences the audible alarm.System Cabinet Key Switch (3) - The system cabinet key switch is used to control the operation of the system. The key switch is used under the following conditions:
System reset or restart after an error or emergency shutdown mode has been activated
Lock the system into the bypass, online, or offline position when the key is turned to that position and is removed from the key switchNote: This function only prevents manual operator intervention. The system will switch to bypass automatically if necessary.The key switch has the following positions:Bypass - This position is used to transfer the system to bypass or offline during certain maintenance procedures. This position may cause the UPS to go to bypass which offers no protection from problems with the incoming power.Online - The key switch will be in this position during the normal operation of the system. This position may cause the UPS to go online which provides protection for problems with incoming power.Reset - This position is used to reset the system after any shutdown condition. The reset position is a spring loaded position that returns the key to the online position when released.UPS Operation and Control with the System Cabinet and MMU Key Switches
The following is a simplified explanation of key switch operation for the system cabinet and MMU cabinet key switches found on the UPS.
To get an SMS online, the system cabinet key switch must be cycled to the online position.Rebooting the Touchscreen Display
Note: Administrator privileges are required to reset the display.Perform the following steps to reset the display.
Touch the "Service Config" selection in the menu selections section.
Select the "Display" screen from the selections at the top of the screen.
Touch the "REBOOT" selection from the list of options.The touchscreen goes blank and then presents a fresh screen display when ready for operation.Navigating the Touchscreen Display
Access levels can either limit or expand the amount of freedom a user has to manage the UPS system. The following paragraphs explain access levels.Note: Use a pencil eraser or a similar small, soft object to touch the keypad. Avoid touching the screen with fingernails or sharp objects.There are three levels of access for the touchscreen display. The levels are:Operator - Operator is the default access level. All read-only screens are available at operator level. No login