Kohler 12.5EFORDB Operation - Page 31

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Kohler 12.5EFORDB Operation
This section contains generator set troubleshooting,
diagnostic, and repair information.
Use the following charts as a quick troubleshooting
reference. The table groups generator set faults and
suggests likely causes and remedies. The table also
refers you to more detailed information including
sections of this manual, the generator set service
manual (S/M), the generator set installation manual
(I/M), and the engine service manual (Engine S/M) to
correct the indicated problem.
Corrective action and testing often require knowledge of
electrical and electronic circuits. To avoid additional
problems caused by incorrect repairs, have an
authorized service distributor/dealer perform service.
Maintain a record of repairs and adjustments performed
on the equipment. If the procedures in this manual do
not explain how to correct the problem, contact an
authorized distributor/dealer. Use the record to help
describe the problem and repairs or adjustments made
to the equipment.
Problem
Possible Cause
Controller LED display
No power to the controller:
is off
Controller fuse (F3) is blown.
Low or no battery voltage.
Generator set master switch is in the OFF/RESET
position.
Generator set master switch in AUTO but no start
command has been received since last controller
reset.
Figure 4-1 Controller Troubleshooting Chart
TP-6551 2/14

Section 4 Troubleshooting

4.1 Fault Codes

The Advanced Digital Control displays fault codes to aid
in troubleshooting.
recommended actions are listed in Figure 2-5.
Identify and correct the cause of the fault condition.
Then reset the controller after a fault shutdown. See
Section 2.5.6.

4.2 Controller Troubleshooting

Figure 4-1 contains troubleshooting, diagnostic, and
repair information for the Advanced Digital Control.
x:gt:001:002a:
Corrective Action
Replace the fuse. If the fuse blows again, contact the
distributor/dealer.
Check connections.
Check generator set battery.
Move generator set master switch to the AUTO or RUN
position.
No action required. Controller display will activate when a
remote start command is received or the generator set
master switch is moved to the RUN position. Use the
remote switch to start generator set and activate the
controller display, if desired.
Fault codes, descriptions, and
Section 4 Troubleshooting
31