Kohler KD1750 User Manual

TP-7070 7/18102 Section 4 Troubleshooting
4.5 General Troubleshooting Chart
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
Displays error
message/locks up
Exercise run time
and/or event
records inoperative
Controller and Emergency Stop Switch
x x Controller circuit board(s) inoperative Replace the controller’s base module, if necessary. Cont. S/M x x Controller circuit board(s) wiring fault Check the wiring. W/D
x Controller fault
Troubleshoot the controller.[
Cont. S/M
x x x Controller fuse blown Check for battery power to the controller and replace the
fuse. If replacing the fuse doesn’t fix the problem, troubleshoot the controller wiring.[
W/D
x Controller HMI inoperative Replace the controller HMI module, if necessary. Cont. S/M x Controller in the OUT OF SERVICE
mode
Change the operating mode on the controller. Section 2
x Engine start circuit open Start the engine with the controller in MANUAL mode to test
the generator set. Troubleshoot the engine start circuit and time delays.
Section 2, W/D, Gen. I/M, S/M ATS O/M, S/M
x x Emergency stop switch activated Reset the emergency stop switch.
Check remote emergency stop switch, if equipped.
Section 2
x x Voltage regulation inoperative Replace the junction box sensing fuses. If the fuse blows
again, troubleshoot the controller.
W/D, Alt. O/S/M
* Sec./Section—numbered section of this manual; Alt.—Alternator; ATS—Automatic Transfer Switch; Eng.—Engine; Cont.— Controller; 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.

Kohler KD1750 Specifications

General

Brand	Kohler
Model	KD1750
Category	Inverter
Language	English