Kohler 500EOZCS Operation page 77

Trouble Symptoms
Electrical System (DC circuits)
x x
x x
x x
x x
x
x
Engine
x x x
x x x
x x x
x x x
x
x x x
* Sec./Section—numbered section of this manual; ATS—Automatic Transfer Switch; Eng.—Engine; Gen.—Generator Set; Alt.—Alternator; I/M—Installation Manual; O/M—Operation Manual;
S/M—Service Manual; S/S—Spec Sheet; O/S/M—Operation/Service Manual; W/D—Wiring Diagram
[ Have an authorized service distributor/dealer perform this service.
Probable Causes Probable Causes
Battery connections loose, corroded,
or incorrect.
Battery weak or dead.
TP-7126 5/20
Starter/starter solenoid inoperative.
Engine harness connector(s) not
locked tight.
Fault shutdown.
High exhaust temperature switch
inoperative.
Air cleaner/backfire flame arrestor
x
clogged.
x x Compression weak.
Engine overload.
x x
Exhaust system leak.
x
Exhaust system not securely installed.
x
x Governor inoperative.
x Valve clearance incorrect.
x Vibration excessive.
Engine ECM and/or sensors.
x x
Recommended Actions Recommended Actions
Verify that the battery connections are correct, clean, and
tight.
Recharge or replace the battery. The spec sheet provides
recommended battery CCA rating.
Replace the starter or starter solenoid.
Disconnect the engine harness connector(s) then reconnect
it to the controller.
Reset the fault switches and troubleshoot the controller.
Replace the inoperative switch.
Clean or replace the filter element.
Check the compression.[
Reduce the electrical load. See the generator set
installation manual for wattage specifications.
Inspect the exhaust system. Replace the inoperative
exhaust system components.[
Inspect the exhaust system. Tighten the loose exhaust
system components.[
Adjust the governor.[
Adjust the valves.[
Tighten all loose hardware.
Troubleshoot the engine ECM and/or sensors.
Section or
Section or
Publication Publication
Reference* Reference*
—
Eng. O/M, S/S
Eng. S/M
W/D
Section 2
Gen. S/M or W/D
Eng. O/M
Eng. S/M
I/M
Section 3, I/M
Section 3, I/M
Gen. S/M
Eng. O/M
—
Eng. O/M,
Eng. S/M