Kohler 15C/12.5CF Operation page 39

Trouble Symptoms
Electrical System (DC circuits)
x x
x x
x x
x
x
x x
x
x
Engine
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; I/M—Installation Manual; O/M—Operation Manual; S/M—Service Manual;
S/S—Spec Sheet; 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
Engine harness connector(s) not
TP-5981 11/01 locked tight
Fault shutdown
High exhaust temperature switch
inoperative
Starter/starter solenoid inoperative
High water temperature switch
inoperative
Faulty ground connection
Air cleaner/backfire flame arrestor
x
clogged
x x x
Compression weak
Engine overload
x x x
Exhaust system leak
x
Exhaust system not securely installed
x
x
Valve clearance incorrect
x
Vibration excessive
Ignition system inoperative
(gas/gasoline only)
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.
Disconnect the engine harness connector(s) then reconnect it to
the controller.
Reset the fault switches and troubleshoot the controller.
Replace the inoperative switch.
Replace the starter or starter solenoid.
Replace the inoperative switch.
Clean and retighten the connection.
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 valves.[
Tighten all loose hardware.
Check the ignition system (ignition module, spark plugs, spark
plug wires, etc.).
Section or Section or
Publication Publication
Reference* Reference*
Section 3
Section 3, S/S
W/D
Section 2
Gen. S/M or W/D
Eng. S/M
Gen. S/M or W/D
—
Section 2
Eng. S/M
I/M
Section 3, I/M
Section 3, I/M
Eng. S/M
—
Eng. O/M