Faults - Cause - Remedy - Kohler KD62V12A Operation And Maintenance Manual

6.2 Faults - Cause - Remedy

Malfunction / error
Starter does not turn.
Starter turns over slowly.
Diesel engine does not start and/or
stops immediately.
Diesel engine starts poorly.
KD62V12A 33521061401_1_1 EN_US
2023-10
Cause
Main fuse burnt through.
Battery connections loose or
corroded.
Battery voltage too low.
Starter circuit broken or contacts
corroded.
Starter defective.
Battery voltage too low.
Battery connections loose or
corroded.
Exterior temperature too low.
Fuel tank empty.
Fuel filter blocked.
Fuel line, precleaner or sieve in fuel
tank blocked.
Fuel system or filter leaking.
Air in the fuel system.
Fuel not cold-resistant.
Exterior temperature too low.
Leaks or pressure too low in fuel
low pressure circuit.
Diesel engine compression too low. Contact your nearest authorized
Fault in electronics.
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Operating faults
Faults - Cause - Remedy
Remedy
Replace fuse.
Clean and tighten loose connec‐
tions.
Recharge or replace battery.
Contact your nearest authorized
Kohler service representative.
Contact your nearest authorized
Kohler service representative.
Recharge or replace battery.
Clean and tighten loose connec‐
tions.
Implement measures for winter
operation.
Refuel the engine.
Replace fuel filter.
Clean and vent fuel system.
Seal and vent.
Vent fuel system.
Clean pre-filter, replace fuel filter;
use winter fuel.
Implement measures for winter
operation.
Visually control there is no leak;
Contact your nearest authorized
Kohler service representative to
check engine.
Kohler service representative.
Read out fault memory of engine
control unit. Contact your nearest
authorized Kohler service represen‐
tative.
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