SUPPORT ASSEM. 9G5900 - Caterpillar

Table 3
SDU Fault LED Description
Switch 1 - 8 The switch is configured as enabled and is currently open. The SDU cannot detect a 10-kΩ resistor between the circuits.
Shutdown Coil The SDU is configured to monitor the shutdown coil for wire-break and there is no coil attached to pins 4 or 5.
Shutdown Override The switch is currently open and the SDU cannot detect a 10-kΩ resistor between the circuits. SDU Acknowledge Button (26) - This button silences the SDU buzzer. A second press will acknowledge all active alarms.SDU Overspeed Test Button (27) - Places the SDU in "Overspeed Test" mode. Press and hold for two seconds to activate or deactivate "Overspeed Test" mode.Operation
Modes
The ECS switch (6) on the front of the panel has three positions:
Off
Local
RemoteRemote mode can be overridden by the remote "Auto Mode" switch. The remote "Auto Mode" switch is usually found in the switchgear.
Off - Off mode turns off the key switch to the DCU and ECM.Note: Off mode is not a safety lockout. Ensure that all lockout/tagout procedures for the site are followed if working on the engine or control panel.
Local - Local mode prevents "Remote" or "Auto Start/Stop".
Remote - There are four applications in remote mode. Refer to the following sections for the application descriptions.Auxiliary engine or generator set
Local Start is permitted if the configuration of the DCU allows local starting.
Auto mode is turned off. The manual mode indicator is displayed.
Auto mode is turned on. The auto mode indicator is displayed.Combined
Auto mode is turned off. The harbor mode indicator is displayed.
Auto mode is turned on. The emergency indicator is displayed.Emergency generator set
All overridable shutdowns will become alarms instead. Other shutdowns, such as "Oil Pressure", may be configured as non-overridable.Note: "Overspeed" is never overridable.
The emergency indicator is displayed
This application displays the remote mode indicator.Starting and Stopping
Before Starting
Use the following steps to prepare the system for starting.
Place the ECS (6) in "Local" mode.
Ensure that the crank inhibit switch (15) is not engaged.
The status bar should show the status as "Ready". If this status is not displayed, consult the "Start Conditions" menu for more information. Use the following steps to navigate to this menu.
From the menu, select the "Help" option.
Select the "Troubleshooting" menu.
The "Start Conditions" option can be found on this page.Starting
Press the start button (10) on the panel.
Press the "Start" soft key on the panel display to confirm.
Press the start button "10" on the panel.
Press the "E-Start" soft key on the panel to bypass prelube if enabled. Using "E-Start" also activates the "Shutdown Override" mode.
Open the panel door.
Turn the crank override switch "13" to the right. Hold the switch until the engine has started.Note: Using the crank override switch (13) overrides all panel interlocks except "E-Stop" and crank inhibit.Normal Stopping
Press the stop button (11) on the panel.
Press the "Stop" soft key on the panel display to confirm.Emergency Stopping
Press the "Emergency Stop (E-Stop)" button (7).Note: Power is removed from the ECM and CDVR while the E-Stop is engaged.Overspeed Test
Use the following procedure to perform an "Overspeed Test".
Stop the