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Emergency Stop Switch Operation
Press the red STOP button to shut down the generator set in an emergency.
Using the emergency stop button bypasses the engine cooldown cycle, stopping the engine immediately. The controller
emergency stop lamp lights (if equipped) and the unit shuts down. The generator set cannot be restarted until the emergency
stop switch(es) is/are reset.
Lockout/Tagout
The emergency stop button can be locked in the STOP position. Insert a lock through two openings in the yellow shroud to
prevent the stop button from being pulled out. See Figure 21. Remove the lock for normal operation.
A lock is not required in order to keep the switch activated. The switch button will stay depressed until it is pulled out by the
operator.
Resetting the Emergency Stop Switch
To reset the E-stop switch, remove the locking device and pull the button out. Reset the controller by pressing the OFF/RESET
button.
Figure 21 Emergency Stop Switch (optional)
Shutdown Switch
The generator set may be equipped with a Shutdown switch. See Figure 22. This switch, also referred to as the Engine Shutdown
switch, commands an immediate shutdown and prevents an engine start if the switch is moved to the off (open, O) position.
When the shutdown switch is activated, the controller display shows Emerg Stop Shutdwn.
The switch is a mechanical, rocker-style switch. Press O to prevent engine start during generator set service. Press I to allow
the engine to start and run. See Figure 22 for switch connections.
Figure 22 Shutdown Switch
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