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TP-6880 10/14 71Section 6 Troubleshooting
Section 6 Troubleshooting
6.1 Introduction
Use the troubleshooting charts in this section to
diagnose andcorrect 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 o f 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 Kohler
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 USB Port
A USB port is located on the front of the controller. See
Figure 1-2 for location. Use a USB cable with a mini-B
connector to connect the controller to your personal
computer (laptop).
Some controller settings can be adjusted using a laptop
computer with Kohlerr SiteTecht software. SiteTech
software is available to Kohler authorized distributors
and dealers. See TP-6701, SiteTecht Software
Operation Manual, for more information.
6.3 Fault Messages
The RDC2/DC2 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.
6.4 Circuit Protection
If the generator set circuit breaker trips repeatedly,
contact an authorized Kohler distributor/ dealer for
service.
6.4.1 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.
6.4.2 Line Circuit Breaker
Theline circuitbreaker interruptsthegenerator outputin
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.
6.4.3 Auxiliary Winding Circuit Breaker
A resettable circuit breaker protects the alternator. The
circuit breaker is located in the junction box area. See
Figure 1-2.