Operating faults
Operation and Maintenance Manual
Errors – Cause – Remedy
Malfunction / error
Cause
Remedy
The charge current display comes
on when the Diesel engine is
running.
Inadequate tension of the V-ribbed
belt.
Check the tension of the V-ribbed
belt and replace the tightening roller
if necessary.
The V-ribbed belt is worn.
Replace the V-ribbed belt.
The cable connections are loose or
separated.
Fasten or replace the cable.
The alternator to charge the battery,
rectifier or controller are faulty.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
Black smoke emitted from the Diesel
engine.
The injection nozzles are faulty or
inefficient.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
Fault in the turbocharger (charge
pressure too low).
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
The engine is overloaded.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
The exhaust gases are blue.
The oil level in the Diesel engine is
too high.
Check and correct the oil level.
Lubricant enters the combustion
chamber and is burnt.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
The bearing gasket on the
turbocharger is faulty.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
The crankcase breather is faulty.
Check this and replace if necessary.
The exhaust gases are white.
Fuel injection begins too late.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
The operating temperature is not
achieved.
Run the engine until it reaches its
operating temperature.
There is water in the fuel system.
Check the fuel system and the drain
pre-filter.
There is a leak in the charge air
cooler.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
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© 2017 by Kohler Co. All rights reserved.
KD27V12 33521029401_3_1 en 2017-07-01
