Kohler 10EORDB

TP-6551 2/14
32 Section 4 Troubleshooting
Trouble Symptoms
Probable Causes Recommended Actions
Section or
Publication
Reference*
Does not
crank
Cranks but
does not start
Starts hard
No or low
output voltage
Stops
suddenly
Lacks power
Overheats
Low oil
pressure
High fuel
consumption
Excessive or
abnormal noise
No controller
display
Controller
x x
Generator set master switch in the OFF position
Move the generator set master switch to the correct position (RUN or AUTO).
Section 2
x x
10--20EOR(Z)DB/9--16.5EFOR(Z)DB Models: Controller fuse (F3) blown
Replace the blown controller fuse. If the fuse blows again, troubleshoot the controller.[
Section 2, W/D
x x
10--20EOR(Z)DB/9--16.5EFOR(Z)DB Models: The relay interface board fuse (F2) blown 30--40EORZDB/25--33EFORZDB Models: The relay interface board fuse (F6) blown
Replace the blown relay interface board fuse. If the fuse blows again, troubleshoot the controller.[
Section 2, W/D
x
10--40EOR(Z)DB/9--33EFOR(Z)DB Models: The auxiliary winding fuse (F1) blown
Replace the blown auxiliary winding fuse. If the fuse blows again, troubleshoot the controller.[
Section 2, W/D
x x Controller circuit breaker tripped Reset the controller circuit breaker. Section 2 x
Controller master or start/stop switch inoperative
Replace the controller master switch. —
x Controller fault
Troubleshoot the controller.[
Gen. S/M
x
Remote stop command received from aremoteswitchorATS
Check the remote switch position.
x
30--40EORZDB/25--33EFORZDB Models: The battery fuse (F4) blown
Replace the blown auxiliary winding fuse. If the fuse blows again, contact an authorized distributor/dealer.[
Section 2, W/D
Cooling System
x x Air openings clogged Clean the air openings. —
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 Restore the coolant to normal operating level. Section 3
x Coolant level low Restore the coolant to normal operating level. Section 3 x Thermostat inoperative Replace the thermostat. Eng. S/M x Cooling water pump inoperative Tighten or replace t he belt. Replace the water pump. Eng. O/M or S/M x
30--40EORZDB/25--33EFORZDB Models: The radiator fan 1 fuse (F2) or the radiator fan 2 fuse (F3) blown (optional with enclosed, unit-mounted radiator)
Replace the blown auxiliary winding fuse. If the fuse blows again, contact an authorized distributor/dealer.[
Section 2, W/D
* Sec./Section—numbered section of this manual; ATS—Automatic Transfer Switch; Eng.—Engine; Gen.—Generator Set; I/M—Installation Manual; O/M—Operation M anual; S/M—Service Manual;
S/S—Spec Sheet; W /D—Wiring Diagram
[ Have an authorized service distributor/dealer perform this service.