Kohler 5ECD Operation Manual

TP-6390 1/06
40 Section 4 Troubleshooting
Trouble Symptoms
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
Probable Causes Recommended Actions
Section or
Publication
Reference*
Controller
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
The auxiliary winding fuse (F1) blown Replace the blown F1 fuse. If the fuse blows again, troubleshoot
the controller.[
Section 2, W/D
x x x x
The controller fuse (F2) blown Replace the blown F2 fuse. If the fuse blows again, troubleshoot
the controller.[
Section 2, W/D
x x
The customer connection fuse (F3) blown. Note that the remote digital gage (if equipped) will not function.
Replace the blown F3 fuse. If the fuse blows again, troubleshoot the controller.[
Section 2, W/D
x
The coil/injector fuse (F4) blown Replace the blown F4 fuse. If the fuse blows again, troubleshoot
the controller.[
Section 2, W/D
x x x x x x
The ECM, O
2
sensor, and fuel pumps
fuse (F5) blown
Replace the blown F5 fuse. If the fuse blows again, troubleshoot the controller.[
Section 2, W/D
x x
The battery charging alternator and voltage regulator fuse (F6) blown
Replace the blown F6 fuse. If the fuse blows again, troubleshoot the controller.[
Section 2, W/D
x
The starter motor and crank solenoid fuse (F7) blown
Replace the blown F7 fuse. If the fuse blows again, troubleshoot the controller.[
Section 2, W/D
x x Controller circuit breaker tripped Reset the controller c ircuit breaker. Section 2 x
Controller master or start/stop switch inoperative
Replace the controller master or start/stop switch. —
x Incorrect controller settings
Check and adjust the controller.[
I/M
x
Remote stop command received from a remote switch
Check and remote switch position.
x Controller fault
Troubleshoot the controller.[
Gen. S/M
x x Controller circuit board(s) inoperative Replace the controller circuit board. Gen. S/M
Cooling System
x x Air openings clogged Clean the air openings. — x Impeller damaged Replace the impeller. Section 3 x x Seawater strainer clogged or restricted Clean the strainer. Section 3
x
High temperature shutdown Allow the engine to cool down. Then troubleshoot the cooling
system (add coolant).
Sec. 3, Eng. O/M
x Coolant level low Restore the coolant to normal operating level. Section 3 x Thermostat inoperative Replace the thermostat. Eng. S/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
[ Have an authorized service distributor/dealer perform this service.

Kohler 5ECD Specifications

General

Power Output	5 kW
Frequency	60 Hz
Fuel Type	Diesel
Cylinders	2
Engine Type	4-cycle
Starter System	Electric
Phase	Single