Kohler KG180 - Page 119

TP-6694 2/25 119
Section or Publication Reference*
Alternator
--
ATS O/M
ATS O/M, S/M
Gen. S/M, W/D
Gen. S/M
Gen. S/M
--
See the
Section
titled: Voltage Regulator Adjustments, SiteTech O/M
Electrical System (DC Circuits)
See the
Section
titled : Scheduled Maintenance
See the
Section
titled : Scheduled Maintenance, S/S
Eng. S/M
W/D
See the Section titled: Operations
* 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.
Recommended Actions
Reset the breaker and check for AC voltage at the generator set side of the circuit breaker.
Move the transfer switch test switch to the AUTO position.
Move the ATS test switch to the AUTO position. Troubleshoot the transfer circuit and time delays.
Check for continuity.
Test and/or replace the rotor.†
Test and/or replace the rotor.†
Tighten loose components. †
Adjust the voltage regulator.
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.
Probable Causes
AC output circuit breaker open.
Transfer switch test switch in the
OFF position.
Transfer switch fails to transfer load
Wiring, terminals, or pin in the exciter field open.
Main field (rotor) inoperative (open or grounded).
Stator inoperative (open or grounded).
Vibration excessive.
Voltage regulator settings incorrect.
Battery connections loose, corroded, or incorrect.
Battery weak or dead.
Starter/starter solenoid inoperative.
Engine harness connector(s) not locked tight.
Fault shutdown.
Trouble Symptoms
Exercise run time
and/or event
records inoperative
Displays error
message/locks up
Excessive or
abnormal noise
x
High fuel
consumption
Low oil pressure
Overheats
Lacks power
Stops suddenly
x
x
x
No or low output
voltage
x
x
x
x
x
Starts hard
Cranks but does not
start
x
x
x
Does not crank
x
x
x
x
x