Kohler Decision-Maker 1 User Manual

TP-6356 4/12 35Section 2 Decision-Makerr 1 Troubleshooting
The engine starts but
shuts down after 30
seconds or more?
Replace the
defective
generator set
master switch.
Replace the
circuit board
(defective
K2 relay).
B
No
Yes
The engine runs but cannot
be stopped by the generator
set master switch.
Check the condition/connections
of the generator set master switch
(local or remote). See the Wiring
Diagrams. Does the switch
function correctly and the wiring
check out okay?
Yes
No
Yes
Is the K3 relay
LED3 lit?
No
Check for 120-volts AC output
from the stator 10-7 winding at V0
and V7. See the alternator
service manual for testing the
stator. Run the generator set
while performing this test.
Test the speed sensor operation
as described in Section 8.20.
If correct voltage is present and
the speed sensor tests okay,
replace the circuit board.
Note: Allow a 60-second
cooldown between cranking
attempts if the set does not start.
Is the K1
relay
LED1 lit?
Replace the
circuit board.
Yes
Do the engine
systems relating to
low oil pressure
and high coolant
temperature
checkout okay?
Repair/replace
the defective
engine system.
Yes
Replace the
circuit board.
No
No
Does the generator set
have a diesel engine?
No
Yes
Does the engine fuel
solenoid and linkage
work smoothly?
Yes
Repair/replace
the defective
engine linkage
components.
No
Does the engine
fuel solenoid
function correctly?
Repair/replace
the defective
engine fuel
solenoid.
No
Yes

Kohler Decision-Maker 1 Specifications

General

Brand	Kohler
Model	Decision-Maker 1
Category	Portable Generator
Language	English