Kohler 10CCOZ61 Service Manual page 62

Does engine
.
continue to run
after Start/Stop
B
Switch is
(From
released?
Sheet 2)
No
Observe LED' s
while starting
set again.
Does LED1 light?
No
Does controller AC
Voltmeter indicate
any output when
Start/Stop Switch is
in Start Position?
No
Perform
separate
excitation test.
Does test
pass?
No
Follow separate
excitation test
instructions to
isolate defective
rotor or stator.
6-4 Generator/Controller Troubleshooting
.
Go to C
Yes
(Sheet 4)
Does LED4
light?
Yes Yes
No
Replace
controller
circuit board.
Is the AC
Voltmeter
Yes
indication the
rated voltage
(120 VAC)?
Replace
controller
Yes
circuit board.
Figure 6-2. Troubleshooting Flow Chart (Sheet 3 of 4)
Does LED5
light less than 5
Yes
seconds after
LED1 lights?
No
Does LED4 light
before LED5?
Yes
No
Check possible
engine oil
pressure
problem.
Check possible
engine high
exhaust
temperature
problem.
Check possible
engine high
temperature
problem.
If there is no
engine problem,
replace
controller circuit
board.
Test B1/B2
stator winding
Yes
Yes
output. Is
output good?
No
Repair/replace
defective
stator.
Replace
controller circuit
board.
Does controller Check/adjust/re-
frequency meter
place
Yes
indication PowerBoost V
exceed 63 Hz?
voltage
regulator. If
problem persists
replace
No
controller circuit
board.
Replace
controller
circuit board.
Replace
controller
circuit board.
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