Kohler 20EOZ Service Manual

TP-6071 3/00 27Section 6 Controller Troubleshooting
Is there AC output
when the start button
is held and the unit is
running?
Is AC output at the
correct voltage
(e.g. 120 volts AC)?
Yes
Test the voltage
regulator. Refer to
Section 7.
No
Yes
Is there 12VAC output at the
B1/B2 stator winding?
No
Yes
Is there 12VDC at
the exciter field?
Yes
Test the stator
and main field.
No
No
Separately excite
the generator set to
determine if other
components are
inoperative.
Replace the controller
circuit board.
Yes
No
Is AC output voltage at
the specified level?
(See Section 7,
Separate Excitation).
Test the stator,
main field (rotor), and
exciter/armature.
Refer to Section 7.
Is the voltage
regulator
fuse functional?
Yes
Replace the fuse.
No
(OPTIONAL)
Go to B at the beginning
of the preceding page.
D
Test the voltage
regulator. Refer to
Section 7.
Go to E
Next page
Check the wiring
and connectors.
Figure 6-8 Troubleshooting Relay Controller Circuit Board (4 of 5)

Kohler 20EOZ Specifications

General

Brand	Kohler
Model	20EOZ
Category	Portable Generator
Language	English