Kohler 10CCOZ61 Service Manual page 61

.
Does engine
start?
A
(From
Sheet 1)
Were glow
plugs
preheated?
Is 12 VDC present
across fuel solenoid
(P5-4 to GND) with
Start/Stop Switch in
Start Position?
Does LED4 light
while Start/Stop
Switch is in Start
Position?
Check 10A fuel
solenoid fuse in
controller wiring
harness. Is fuse
good?
Replace fuse.
Does trouble
repeat?
Trouble
corrected.
Fuse was
defective.
TP-5648 8/93
Yes
No
Rock Start/Stop
Switch to Stop
No
Position and hold
there for time given
in Section 2 to
preheat glow plugs.
Yes
Engine fault.
Yes
(See Engine
Service
Manual)
No
Replace circuit
Yes
board.
No
Is 12 VDC present
at K25 contact
Yes
(wire 70A to GND)
with Start/Stop
Switch in Stop
Position?
No
Replace K25
relay.
Check fuel
Yes solenoid. Is fuel
solenoid good?
No
Replace fuel
solenoid.
Figure 6-2. Troubleshooting Flow Chart (Sheet 2 of 4)
.
Go to B
(Sheet 3)
Rock and hold
Start/Stop Switch
in Start Position.
Does engine start?
No
Check/repair
wiring from P4-14
Yes
to P5-4.
No
Check wiring to
Yes fuel solenoid for
shorts.
No
.
Go to C
Yes
(Sheet 3)
Generator/Controller Troubleshooting 6-3