RING 1K6986 - Caterpillar

CAUTION: The following procedures assume that the system installation inspection and initial startup have been performed by a qualified Cat Service personnel. A Cat Dealer authorized representative must perform the initial system startup to ensure proper system operation.
: Electrocution Hazard: Before performing maintenance or servicing this equipment, ensure that the proper Lockout / Tagout procedures are followed. To Lockout / Tagout this equipment see Input/Output Cabinet Switches - Lockout / Tagout Positions and System Cabinet Switches - Lockout / Tagout Positions.Note: If the system is being started for the first time, or after a failure, this procedure should only be performed by qualified technician service personnel certified by Caterpillar. This procedure should only be performed after the system has been anchored into position and all wiring has been properly connected. Contact your Caterpillar Dealer Service provider for assistance.SIO Cabinet Manual Controls
Illustration 1 g03377486
Touchscreen panel manual controls
(1) Touchscreen
(2) USB interface port
(3) Two-position key switch: Auto/Bypass
(4) EPO button
(5) Horn silence button
(6) Operational state LEDsThe UPS750 system has manual controls on the SIO cabinet. The following instructions describe the operation of the manual controls. Refer to Illustration 1.SIO Cabinet Manual Controls
Reference Illustration 1.Key Switch
The key switch is used to transfer the UPS manually, between "Bypass" and "Auto" modes.The key switch has two positions:"Bypass" - This position is used to allow an operator to manual transfer the system to bypass during certain maintenance procedures. In this position the UPS will not condition power, and offers no protection to the load from problems with the incoming power."Auto" - This position is used during normal system operation. This position provides load protection for problems with incoming power.The key switch is used under the following conditions:
Reset or restart the system after a locked error or fault.
Manual transfer of the system into the "Bypass" or "Auto" position.Note: The key switch only provides operator instruction to the UPS for the desired operation. The system will still automatically transfer to bypass if necessary.Note: If the key switch is in "Bypass", the UPS cannot be remotely transferred to "Auto"."Emergency Power Off (EPO) Button"
This button is red in color, and is labeled "EPO". The "EPO" button is used only in an emergency, to shut down the UPS. The "EPO" button should not be used to stop the unit in non-emergency situations. The "EPO" button will latch when pressed, and must be pressed again to restart the UPS after the emergency has been resolved or averted.Note: When the "EPO" button is used, all internal power is disrupted. The DC bus energy will decay to zero as the flywheel spins down and stops. Power is not supplied to the load, but voltage is still present on the input terminals. The critical load will lose protected power."Horn Silence" Button
Pressing the "Horn Silence" button silences the audible alarm.Rebooting the Touchscreen Display
If the display has to be reset, and you have Tech privileges, perform the following steps:Note: Touch does not mean push. Fingertip touch, not fingertip push.
Touch the "Service Configuration" menu selection.
Select "Display" from the list