Kohler 20-3250 kW Portable Generator User Manual


 
TP-6200 10/12
TP-6200 10/12 157Section 4 Troubleshooting
Section or
Publication
Reference*
Recommended ActionsProbable Causes
Trouble Symptoms
Section or
Publication
Reference*
Recommended ActionsProbable Causes
Exercise run time
and/or event
records inoperative
Displays error
message/locks up
Excessive or
abnormal noise
High fuel
consumption
Low oil pressure
Overheats
Lacks power
Stops suddenly
No or low output
voltage
Starts hard
Cranks but
does not start
Does not crank
Controller
x x Controller circuit board(s) inoperative Replace the controller circuit board. Gen. S/M
x Controller fault
Troubleshoot the controller.[
Gen. S/M
x x x Controller fuse blown Replace the blown controller fuse. If the fuse blows again,
troubleshoot the controller.[
Section 2, W/D
x Controller master switch inoperative Replace the controller master switch.
x Controller master switch in the
OFF/RESET position
Move the controller master switch to the RUN or AUTO
position.
Section 2
x Engine start circuit open Move the controller master switch to the RUN position to
test the generator set. Troubleshoot the auto start circuit
and time delays.
Section 2, W/D,
Gen. I/M, S/M
ATS O/M, S/M
x x Voltage regulation inoperative Replace the controller fuse, If the fuse blows again,
troubleshoot the controller.
Section Fuses,
Gen. S/M
x Controller firmware error Review the controller display troubleshooting chart. Section 4.2
x Controller clock not set Reset time and date. Section 2.8.6,
Menu 6
Engine
x x x x Air cleaner clogged Clean or replace the filter element. Eng. O/M
x x x x x Compression weak
Check the compression.[
Eng. S/M
x x x x x Engine overload Reduce the electrical load. See the generator set spec
sheet for wattage specifications.
S/S
x Exhaust system leak Inspect the exhaust system. Replace the inoperative
exhaust system components.[
I/M
x Exhaust system not securely installed Inspect the exhaust system. Tighten the loose exhaust
system components.[
I/M
x x x x Governor inoperative
Adjust the governor.[
Gen. S/M
x x Valve clearance incorrect
Adjust the valves. [
Eng. S/M
x Vibration excessive Tighten all loose hardware.
x x x Ignition system inoperative
(gas/gasoline only)
Check the ignition system
(spark plugs, spark plug wires, etc.).
Eng. O/M
* 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 Manual
[ Have an authorized service distributor/dealer perform this service.