Kohler 32EOZ Service Manual page 37

Is there AC output
when the start button
is HELD and the unit
C
is running?
No
Is there 12VDC at
the exciter field?
No
Replace the
controller
circuit
board
Go to B at the beginning
of the preceding page
(OPTIONAL)
Separately excite the
generator set to
determine if other
components are
inoperative.
Is AC output voltage at
spec (See Section 7,
Separate Excitation)?
Yes
Test the voltage
regulator. Refer to
Section 7
Figure 6-6 Troubleshooting Relay Controller Circuit Board (4 of 4)
TP-5936 7/04
Is AC output at the
Yes
correct voltage, e.g.
120 volts AC?
Yes
Yes
Test the
stator
and main
field
Is there 12VAC output at the
B1/B2 stator winding?
No
Yes
Replace the
controller
circuit
board
Test the stator,
main field (rotor), and
No
exciter/armature.
Refer to Section 7
Is the voltage
regulator
No
fuse okay?
Replace the fuse
Yes
Test the voltage
regulator Refer to
Section 7
Section 6 Controller Troubleshooting
No
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