Kohler COM7.5 Service Manual page 29

C
Ensure that the
main connector is
tightly connected.
Is the
controller
fault LED
lit?
Yes
Correct fault
and resume
troubleshooting.
Check the battery charging
Reduce the load to keep
it within the rated range.
TP-6120 5/02
Lacks Power or Runs Erratically
Has air
been purged
Yes
No
from fuel
lines?
No
Have fuel supply
installer purge
air.
Are spark plugs okay?
Yes
system.
Possible generator set
overload. Does reducing
Yes
load solve problem?
(Open circuit breaker to
reduce load.)
No
Go to
D
Is fuel
pressure
No
7-11 in. water?
Yes
Are spark plug wire
No
connections okay?
Yes
No
See Section 2.6.2.
Yes
Does the battery lose
charge while the
system is running?
No
Clean or replace air
cleaner elements.
Have fuel supply installer
correct fuel pressure
problem.
Reconnect and/or
tighten.
Regap or replace.
No
Is air cleaner
plugged?
Yes
Section 3 General Troubleshooting 19