Kohler 4EOZ User Manual

TP-6137 5/03 47Section 8 Controller Troubleshooting
8.4 Troubleshooting
Use the following flowcharts as an aid in troubleshooting
the main control panel and the entire generator set. If
the prescribed remedy does not correct the problem,
replace the control panel. Consult the safety
precautions in the beginning of this manual.
YesYes
Push the on/off switch
(local or remote).
Are the two green LEDs and
the red LED (oil pressure) lit
on the control panel?
Yes
No
Go to A
(next
page).
Push the start switch (local
or remote).
D Check the 0.63 amp fuse
on the control panel.
D Check the conditions of the
battery connections.
D Check the conditions of the
P1 connections (7-GND).
D Check the conditions of the
TB1 connections (7-GND).
D Check the conditions of the
P3 connections (7-GND).
D Check the conditions of the
1-2 connections on the
terminal board of the
control panel.
D Are these checks okay?
D Check the conditions of the
K1 connections (5-GND).
D Check the conditions of the
K3 connections (5).
D Check the conditions of the
TB1 connections (5-GND).
D Check the conditions of the
P3 connections (5-GND).
D Check the conditions of the
2-6 connections on the
terminal board of the
control panel.
D Reset the failed
connections to energize
the coil of the K1 relay.
D Check the conditions of the
S connections (9-GND).
D Check the conditions of the
P1 connections (9-GND).
D Check the conditions of the
TB1 connections (9-GND).
D Check the conditions of the
K1 connections (7-9).
D Check the conditions of the
TB1 connections (7-GND).
D Reset the failed
connections to energize
the coil of the solenoid (S)
on the starter motor.
Is the 25 amp fuse okay?
Change
the fuse.
Yes
No
Yes
Change the control panel.
Does the
engine
crank?
Is the 12 DC voltage present
on the coil of the K1 relay?
Yes
No
Is current present on the
terminals of the solenoid (S)
of the starter engine?
Is the current present on the
contacts of the S solenoid
(starter motor side)?
Change the starter motor.
Yes
No
Change the control panel.
No
No
Figure 8-6 Troubleshooting Relay Controller Control Panel (1 of 4)

Kohler 4EOZ Specifications

General

Brand	Kohler
Model	4EOZ
Category	Marine Equipment
Language	English