TP-6735 7/1740 Section 4 Controller
Button
Press
Response in AUTO or OFF Mode Response during EXERCISE Response during TEST
OFF Stops the generator set and places
the controller in OFF mode. The
OFF LED turns ON and then
flashes every 2 seconds.
Pressing OFF during the engine
crank cycle will stop the crank
cycle.
If a fault code is displayed,
pressing OFF resets the controller.
Press and hold the OFF button for
3 seconds to view the event history.
Immediately ends the exercise and
shuts down the generator. The
engine cooldown time delay is
ignored. The AUTO LED turns
OFF. The OFF LED turns ON and
then flashes every 2 seconds.
Immediately ends the test and
shuts down the generator. The
engine cooldown time delay is
ignored. The RUN LED turns OFF.
The OFF LED turns ON and then
flashes every 2 seconds.
AUTO Places the controller in AUTO
mode. AUTO LED turns ON.
Generator set will respond to
remote start/stop signals.
Places the controller in AUTO
mode. Shuts down the engine
through normal timing sequences if
utility is available. AUTO LED
turns ON. RUN LED turns OFF.
Places the controller in AUTO
mode. Shuts down the engine
through normal timing sequences
if utility is available. AUTO LED
turns ON. RUN LED turns OFF.
RUN Starts the generator set in
unloaded test mode. The
generator set starts and the display
indicates an unloaded test, tnLd.
RUN LED turns on.
Ends the exercise time period but
does not shut down the generator
set. Engine ramps up to normal
operating speed of 3600 RPM.
RUN LED turns on, and AUTO LED
turns off. Generator continues to
run in test mode until stopped by
the OFF or AUTO buttons.
No effect when a test is already
running.
DOWN
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EXERCISE
From AUTO mode: Press once to
start an unloaded exercise. The
engine starts and EnLd appears on
the display.
From OFF mode: No effect.
With RRT only: Press during an
unloaded exercise to change to a
loaded exercise. Engine ramps up
to normal operating speed and the
ATS transfers to the emergency
source. Display changes to indicate
a loaded exercise, E Ld. Future
exercise periods will be loaded and
will start at the time of the first
button press.
Pressing this button again during a
loaded exercise run has no effect.
With RRT only: Press during an
unloaded test to change to a
loaded test, causing the ATS to
transfer to the emergency source.
The display indicates a loaded test,
t Ld.
Select and
UP Arrow
Buttons
(RDC only)
Used for RDC controller configuration and performance adjustment. See the generator set installation manual
and Section 5.8 of this manual.
Figure 4-5 Controller Pushbutton Operation
4.4.3 LED Indicators
LEDs above the RUN, OFF, and AUTO buttons indicate
the mode of operation as s hown in Figure 4-6.
Mode LED Indication Description
RUN RUN LED is on The generator set was started by pressing the RUN button. Generator set is running.
Remote start and stop commands are ignored.
OFF OFF LED lights for 2
seconds, then flashes
every 2 seconds.
The OFF button was pressed. Generator set and controller are off. Remote
start/stop commands have no effect.
AUTO AUTO LED is on Automatic mode. Generator set will respond to engine start and stop commands
from an ATS or from Kohlerr SiteTecht software. Time delays operate as described
in Section 4.5.
Figure 4-6 Operation Modes and LED Indicators
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