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TP-6804 1/15 73Section 6 Troubleshooting
Section 6 Troubleshooting
6.1 Introduction
Use the troubleshooting charts in this section to
diagnose and correct common problems. First check
for simple causes such as a dead engine starting
battery, loose connections, or an open circuit breaker.
The charts include a list of common problems, possible
causes of the problem, and recommended corrective
actions.
If the procedures in this manual do not explain how to
correct the problem, contact an authorized
distributor/dealer. Maintain a record of repairs and
adjustments performed on the equipment. Use the
record to help describe the problem and repairs or
adjustments made to equipment.
6.2 Fault Messages
The controller displays fault messages to aid in
troubleshooting. Selected fault messages and
recommended checks are listed in Figure 2-3.
Identify and correct the cause of the fault condition.
Then reset the controller after a fault shutdown. See
Section 2.5.4.
6.3 Circuit Protection
If the generator set circuit breaker trips repeatedly,
contact an authorized distributor/ dealer for service.
6.3.1 Controller Internal Circuit
Protection
The controller is equipped with internal circuit
protection. A fault message, Accy PwrOver Warning or
MainPwrOverL Shutdown, is displayed if this internal
protection is activated. Press OFF to reset. Contact an
authorized Kohler distributor/ dealer for service.
6.3.2 Line Circuit Breaker
Theline circuitbreaker interruptsthe generatoroutput in
the event of a fault in the wiring between the generator
and the load. If the circuit breaker trips, reduce the load
and switch the breaker back to the ON position.
6.4 USB Port and Auxiliary
Winding Mini-Breaker
On original RDC2/DC2 controllers, the USB port and
alternator winding mini circuit breaker are located in the
service access area as shown in Figure 6-1.
Revised controllers have the USB port located under a
small rubber cover as shown in Figure 6-2. The
alternator winding circuit breaker is located as shown in
Figure 6-3. If an original (green board) controller has
been replaced with a revised (red board) controller, the
circuit breaker may be located inside the controller
trough, under the controller.
A personal computer (laptop) with Kohlerr SiteTecht
software can be used to view the event history and
adjust controller settings. Use a USB cable with a
mini-B connector to connect the controller’s USB port to
your PC.
See TP-6701, SiteTecht Software Operation Manual,
for software operation instructions.
1. USB port (for service)
2. Alternator winding circuit breaker
1
2
Figure 6-1 Controller Service Access (cover
removed)