Kohler 20-3250 kW Portable Generator User Manual


 
TP-6200 10/12158 Section 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
Cooling System
x x Air openings clogged Clean the air openings.
x Coolant level low Restore the coolant to normal operating level. Section 3
x Cooling water pump inoperative Tighten or replace the belt. Replace the water pump. Eng. O/M or S/M
x High temperature shutdown Allow the engine to cool down. Then troubleshoot the
cooling system.
Sec. 3, Eng. O/M
x Low coolant level shutdown, if
equipped
Restore the coolant to normal operating level. Section 3
x Thermostat inoperative Replace the thermostat. Eng. S/M
Fuel System
x x x Air in fuel system (diesel only) Bleed the diesel fuel system. Eng. O/M
x x Ether canister empty or system
inoperative, if equipped (diesel only)
Replace or repair the ether starting system. Eng. O/M
x x Fuel tank empty or fuel valve shut off Add fuel and move the fuel valve to the ON position.
x x x Fuel feed or injection pump
inoperative (diesel only)
Rebuild or replace the injection pump.[
Eng. S/M
x x x Fuel or fuel injectors dirty or faulty
(diesel only)
Clean, test, and/or replace the inoperative fuel injector.[
Eng. S/M
x x x x Fuel filter restriction Clean or replace the fuel filter. Eng. O/M
x Fuel solenoid inoperative
Troubleshoot the fuel solenoid.[
Eng. S/M
x x Fuel pressure insufficient (gas only)
Check the fuel supply and valves.[
S/S, Gen. O/M
x x x x Fuel injection timing out of adjustment
(diesel only)
Adjust the fuel injection timing.[
Eng. S/M
Lube System
x x x x Crankcase oil type incorrect for
ambient temperature
Change the oil. Use oil with a viscosity suitable for the
operating climate.
Eng. O/M
x x x Oil level low Restore the oil level. Inspect the generator set for oil leaks. Eng. O/M
x Low oil pressure shutdown Check the oil level. 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.