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2.6.1
Battle Mode
Battle Mode, if enabled in the personality, prevents the
controller from stopping due to any fault but overspeed
and emergency stop. The faults are displayed on the
controller user interface but do not stop the generator set.
2.6.2
Emergency Stop
Use the controller emergency stop switch for immediate
emergency shutdown.
The emergency stop switch bypasses the time delay
engine cooldown and immediately shuts down the
generator set.
Note: Use
the
emergency
emergency shutdowns only. Use the generator
set OFF/RESET button for normal shutdowns.
The controller fault lamp lights and the unit shuts down
when the local emergency stop switch activates.
Use the following procedure to reset the generator set
after shutdown by a local or remote emergency stop
switch. Refer to Section 2.6.8, Controller Resetting
procedure, to restart the generator set following a fault
shutdown.
1. Investigate and correct the cause of the
emergency stop.
2. Reset the controller emergency stop switch by
pulling the switch dial outward.
3. Press the generator set OFF/RESET button.
4. After resetting all faults using the controller reset
procedure in Section 2.6.8, press the generator set
RUN and/or AUTO button to restart the generator
set. The generator set will not crank until the reset
procedure completes.
2.6.3
System Status Lamps
The (OFF/RESET- AUTO- RUN) buttons indicate the
status condition with an integrated lamp at the button.
The lamp illuminates on the AUTO (automatic start)
button indicating the system senses no faults and the
unit is ready to start by remote command.
The lamp illuminates on the OFF/RESET button
indicating the generator set is stopped.
TP-6953
7/19
stop
switch(es)
for
The lamp illuminates on the RUN button indicating the
generator set is cranking or running from a local
command.
Only one of the three button lamps will illuminate at any
given time.
2.6.4
Exhaust Gas Recirculation (EGR)
Lamp
1. EGR lamp
Figure 2-4 EGR Lamp (20/23EKOZD and
21/24EKOZD 60 Hz Models Only)
The EGR lamp is located on the side of the junction box
for 20/23EKOZD and 21/24EKOZD 60 Hz models only.
See Figure 2-4.
Under normal operation, the light
illuminates for approximately 1 second at startup to
indicate that power is available to the EGR and then, the
light goes out. If the light pulses (blinks) more than one
time, verify that the ECU module is properly connected
and verify that the EGR valve is properly connected. If
all connections are good and the light continues to pulse
(blink), see Figure 2-5 or contact an authorized Kohler
distributor/dealer for service.
Item
Input Pulse Width
PWM Missing
Modulator (PWM)
No Signal
EGR Valve Not Lifting
EGR Valve Sensor
EGR Valve Not Closing
Valve Over Current Over Current
* The number of each blink occurs for approx. 500 milliseconds, the
EGR lamp goes off for approx. 3 seconds, and then it repeats.
Figure 2-5 EGR Lamp Blink Code (20/23EKOZD
and 21/24EKOZD 60 Hz Models Only)
1
Number
Error
of Blinks*
1 Blink
2 Blinks
3 Blinks
4 Blinks
5 Blinks
Section 2 Operation
41
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