Kohler 24RCL manual Controller Troubleshooting, 2 RDC2 Troubleshooting Chart

5.6 Controller Troubleshooting

Figure 5-2 contains basic troubleshooting information for the RDC2 controller.

Problem	Possible Cause	Corrective Action
Controller LCD	Low or no battery voltage.	Check connections.
display is off.		Check generator set battery. See Figure 5-1.
Controller display	Backlight turns off after about 1 minute with no	Backlight will turn on when a button is pressed or
backlight is off.	activity.	the generator set starts.
Loss of	Bad connections.	Check wiring and connections. Verify that cable size
communication to		and length of run comply with the instructions in the
accessory modules		Installation manual.
	Low or no battery voltage.	Check battery connections.
		Check generator set battery. See Figure 5-1.
LCM relays do not	Bad connections.	Check wiring and connections. Verify that cable size
operate.		and length of run comply with the instructions in the
		Installation manual.
	Low or no battery voltage.	Check battery connections.
		Check generator set battery. See Figure 5-1.
Date is flashing.	Controller power was disconnected and then	Check battery connections. See Figure 5-1.
	reconnected.	Check utility power connection for the built-in battery
		charger.
		Reset the time, date, and exercise schedule. See
		Section 2.5.7, Setting the Exerciser at Power-Up.

Figure 5-2RDC2 Troubleshooting Chart

TP-6905 6/14 Section 5 Troubleshooting 63