Controller Troubleshooting - Kohler 24RCL Operation

5.6 Controller Troubleshooting

Figure 5-2 contains basic troubleshooting information for the RDC2 controller.
Problem Possible Cause
Controller LCD Low or no battery voltage.
display is off.
Controller display Backlight turns off after about 1 minute with no
backlight is off. activity.
Loss of Bad connections.
communication to
accessory modules
Low or no battery voltage.
Load management Bad connections.
relays do not
operate.
Low or no battery voltage.
Date is flashing. Controller power was disconnected and then
reconnected.
Figure 5-2 RDC2 Troubleshooting Chart
TP-6905 4/16
Corrective Action
Check connections.
Check generator set battery. See Figure 5-1.
Backlight will turn on when a button is pressed or
the generator set starts.
Check wiring and connections. Verify that cable size
and length of run comply with the instructions in the
Installation manual.
Check battery connections.
Check generator set battery. See Figure 5-1.
Check wiring and connections. Verify that cable size
and length of run comply with the instructions in the
Installation manual.
Check battery connections.
Check generator set battery. See Figure 5-1.
Check battery connections. See Figure 5-1.
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.
Section 5 Troubleshooting 67