Kohler KD62V12 Operation And Maintenance Manual

Operating faults
Faults - Cause - Remedy
Malfunction / error Cause Remedy
Diesel engine shuts down when not
desired.
Voltage supply interrupted. Contact your nearest authorized
Kohler service representative.
Leaks or pressure too low in fuel
low pressure circuit.
Leak test (visual inspection) ;
Contact your nearest authorized
Kohler service representative to
check engine.
Fault in electronics. Read out fault memory of engine
control unit, contact your nearest
authorized Kohler service represen‐
tative.
Low Diesel engine power (lack of
power).
Defect in fuel system (blocked,
leaking).
Visual inspection for leaks, change
filter, contact your nearest author‐
ized Kohler service representative.
Charging pressure too low. Loose clips, defective seals and
hoses, air filter contaminated,
turbocharger has no power.
Charging air temperature too high. Charge air cooler contaminated,
low fan power, ambient too temper‐
ature too high, contact your
nearest authorized Kohler service
representative.
Coolant temperature too high. Check cooler for contamination,
check fan and thermostat, check
coolant level, contact your nearest
authorized Kohler service represen‐
tative.
Fuel temperature too high. Contact your nearest authorized
Kohler service representative.
Use at elevation over 1800 m above
sea level.
No remedy. Diesel engine power is
automatically reduced.
Injection nozzles stuck or do not
vaporize.
Contact your nearest authorized
Kohler service representative.
Diesel engine compression too low. Contact your nearest authorized
Kohler service representative.
Fault in electronic system. Read out fault logs of engine
control unit, contact your nearest
authorized Kohler service represen‐
tative.
Diesel engine too hot (according to
coolant temperature display).
Coolant quantity low. Check the level.
Cooler contaminated or scaled. Clean or descale.
Thermostat failure. Check, replace if necessary,
contact your nearest authorized
Kohler service representative.
Coolant temperature thermocouple
failure.
Check, replace if necessary,
contact your nearest authorized
Kohler service representative.
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KD62V12 33521030301_8_1 EN_US 2022-09

Kohler KD62V12 Specifications

General

Brand	Kohler
Model	KD62V12
Category	Engine
Language	English