Controller Troubleshooting - Kohler 38RCL Operation Manual

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.
LCM relays do not Bad connections.
operate.
Low or no battery voltage.
Date is flashing. Controller power was disconnected and then
reconnected.
Figure 5-2 RDC2 Troubleshooting Chart
TP-6810 11/13
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 59