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TP-6880 10/1456 Section 4 DC2 Controller Operation
4.5 Exercise
The DC2 controller can be set to automatically run the
generator set at the same time and day each week.
Exercising the generator set weekly is required to keep
the engine and alternator in good operating condition.
A laptop computer with Kohlerr SiteTecht software
can be used to change the exercise frequency to every
two weeks. Use a USB cable to connect the controller to
the computer and see TP-6701, SiteTech Operation
Manual for instructions.
4.5.1 Exercise Modes
Unloaded Cycleor LoadedFull-Speed exercisescan be
set from the DC2 controller. The Unloaded Cycle
exercise mode is the default exercise mode. A Model
RXT transfer switch is required for the Loaded
Full-Speed exercise mode. See Section 2.4 for more
information about the exercise modes.
A laptop computer with Kohlerr SiteTecht software
can be used to change the exercise mode to Unloaded
Full Speed.
4.5.2 Setting the Exerciser
Set the exerciser to automatically run the generator set
for 20 minutes every week. Follow the procedure below
to set the exerciser.
Procedure to Set the Exerciser
1. Press AUTO. Verify that the AUTO LED is on and
Utility power is available.
2. Press the exercise button to start an unloaded
exercise.
3. If a loaded exercise is required, press the Exercise
button again within 5 seconds.
4. After 5 seconds, the generator begins its crank
cycles. During the crank cycles, the number of the
crank cycle is displayed. No button presses are
acknowledged during the crank cycles.
5. The generator runs through the exercise cycle
described in Section 2 .4.2. The controller monitors
the system during the unloaded exercise as
described in System Diagnostics.
6. After 20 minutes, the engine stops automatically.
The exercisetime is set tothe timethe exercise buttonis
pressed. An unloaded or loaded exercise, as selected
above, will occur at the same time every seven days.
4.5.3 Exerciser Reset
To reset the exerciser to run at a different day and/or
time, follow the procedure in Section 4.5.2 to enter the
new exerciser settings. The old settings will bereplaced
by the new time and day.
4.6 Event Log
The event log displays up to 10 controller faults and
notices, starting with the most recent event. Events are
numbered 1--10, with 1 being the most r ecent. Each
event is displayed with the date and time of the event,
the number of the event, a letter to indicate whether the
event was a warning (W), shutdown (S), or
informational notice (I), the engine hours at the time of
the event, and the event description. See Figure 4-7.
tp6804
Any Screen
Event number, W/S/I, engine hours
Event name
Press AUTO button at any time to exit the event log.
Hold
OFF
Press OFF
Event number, W/S/I, engine hours
Event name
Figure 4-7 Event Log
Procedure to View Event Log
1. Press the OFF button. The controller must be OFF
to display the event log.
2. Press and hold the OFF button until the first event
appears on the display.
3. Press OFF to step through the other events.
4. To exit the Event Log, hold the OFF button or press
the AUTO button.