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Operating faults
Faults - Cause - Remedy
Malfunction / error
Lubricant oil pressure too low.
Lubricant oil in the cooling system. Oil cooler or oil cooler plate
Cooling water in the lubricant oil.
Charge air temperature too high.
Charge air pressure too low.
Coolant leaks on charge air cooler.
198
Cause
Oil level in the oil pan too low.
Bad viscosity (oil diluted by Diesel
fuel).
Pressure transducer failure.
End control valve does not work
properly or dirt in the end control
valve.
Bearing play too great due to wear
or bearing damage.
leaking.
Cylinder liners seals leaking.
Oil cooler or oil cooler plate
leaking.
Coolant concentration incorrect.
Charge air cooler contaminated.
Air intake temperature too high.
Air filter clogged.
Charge air cooler contaminated.
Turbocharger exhaust defect.
Leaking, breaking.
© 2023 by Kohler Co. All rights reserved.
Remedy
Fill oil to prescribed mark.
Drain off oil, fill with prescribed oil.
Check oil pressure and replace
damaged oil pressure transducer;
contact your nearest authorized
Kohler service representative.
Contact your nearest authorized
Kohler service representative.
Contact your nearest authorized
Kohler service representative.
Contact your nearest authorized
Kohler service representative.
Contact your nearest authorized
Kohler service representative.
Contact your nearest authorized
Kohler service representative.
Check concentration using test kit.
Contact your nearest authorized
Kohler service representative.
Check fans, air supply and ventila‐
tion.
Check air filter service indicator.
Contact your nearest authorized
Kohler service representative.
Contact your nearest authorized
Kohler service representative.
Contact your nearest authorized
Kohler service representative.
KD62V12A 33521061401_1_1 EN_US
2023-10
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