TP-6811 7/16 61Section 5 Troubleshooting
5.6 Controller Service Access
Section 3.3.1 lists controller settings. Some settings can
be changed from the controller keypad. All other
adjustable settings require a personal computer (laptop)
with Kohlerr SiteTecht software for changes.
A USB port is located in the controller’s service access
area. Remove the service access door to access the
USB port. Use a USB cable with a mini-B connector to
connect the controller to your PC. See Figure 5-1 and
Figure 5-2.
See TP-6701, SiteTecht Software Operation Manual,
for software operation instructions.
1. USB port (for s ervice)
2. Mini-breaker, not connected
1 2
Figure 5-1 Service Access for Older Controllers
(cover removed)
1. USB port
(for service)
1
Figure 5-2 Service Access for Newer Controllers
5.7 Fault Messages
Note: Read all safety precautions at the beginning of
this publication before performing any work on
the generator set.
The RDC2 controller displays fault messages to aid in
troubleshooting. Fault messages, descriptions, and
recommended checks are listed in Figure 5-3.
Some fault conditions are reported to the RDC2
controller by the engine ECM. Refer to the Engine
Service Manuals for more information.
Identify and correct the cause of the fault condition.
Then press the OFF button to reset the controller after a
fault shutdown.
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