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TPMP-6880 2/21 Appendix 77
Exercise Modes
Unloaded Cycle or Loaded Full-Speed exercises can 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 Kohler SiteTech software can be used to change the exercise mode to Unloaded Full
Speed.
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 exercise time is set to the time the exercise button is pressed. An unloaded or loaded exercise, as selected above,
will occur at the same time every seven days.
Exerciser Reset
To reset the exerciser to run at a different day and/or time, follow the procedure above to enter the new exerciser
settings. The old settings will be replaced by the new time and day.
Faults
The controller displays fault messages for generator set warnings and shutdowns. Selected fault messages are shown
in Figure 2-4.
Warnings
The controller displays a fault message but the generator set does not shut down on a warning. The controller resets
automatically after a warning condition is corrected.
Shutdowns
Under a fault shutdown condition, the generator set shuts down automatically and the controller displays a fault
message. The OFF LED flashes. In some cases, the engine cooldown cycle runs before the engine shuts down. See
Figure 2-4.
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