Kohler Decision-Maker 1 Manual page 34

Does the
A
engine start?
No
Does the engine
crank for 30
seconds and
then shut down?
No
Is 12-volts DC
present at
No
TB1-70 and at
the engine fuel/
ignition circuit?
See the wiring
diagrams.
Yes
Engine mechanical
problem. See the
engine service
manual. Check the
following
components:
D Fuel supply
D Fuel solenoid
D Compression
34 Section 2 Decision-Makerr 1 Troubleshooting
Unit shuts down on overcrank.
Yes Troubleshoot the engine using the
engine service manual.
Is the
15-amp
No
fuse
relay LED1
blown?
Yes
Unit starts but
Replace
then shuts down.
the fuse.
If shutdown is
immediate, check the
overspeed circuit. seconds, check
If shutdown occurs
after 5--7 seconds,
check the low oil
pressure and high
coolant temperature
shutdown circuits.
See Section 6.
Yes
Is the K1
Is the K10 relay
No
energized?
lit?
Yes
Check the
wiring between
TB1 terminal 70
and the fuel
solenoid.
If shutdown
occurs after 30
the overcrank
circuit.
Replace
No
the K10
relay.
Yes
Go to
B
TP-6356 4/12