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17. TROUBLESHOOTING
Ex2900 / 3200 Operator's Manual
17. TROUBLESHOOTING
The troubleshooting table given below is intended to provide a simple guide. If any fault, failure or a
problem that requires repair work has occurred, contact your local Cub Cadet Yanmar dealer for
technical assistance.
1. Engine
1. How to Use the Troubleshooting Table
Symptom Cause Remedy
1 Engine does not
start or engine
starts, but stalls
immediately.
z Diesel fuel is not flowing to the engine. • Check that fuel is in the fuel tank. Refuel
as necessary.
• Check if the fuel filter is clogged. Replace
the clogged filter.
z Air is trapped in the fuel. • Check the fuel line for looseness.
Retighten any loose connection.
z Water is trapped in the fuel. • Remove water from the fuel. Refill the
diesel fuel.
z In cold weather, the engine oil viscosity
is excessively high, and this causes
greater resistance. As a result, the
engine speed does not increase.
• Use a less viscous engine oil. (Be sure to
change to a more viscous engine oil in
summer.) (Consult your local Cub Cadet
Yanmar dealer.)
z The power of the battery is too low and
the starter fails to accelerate to a
speed sufficient for starting the engine.
• Clean the battery posts and terminals,
then measure the voltage on the battery. If
the voltage is 11 V or lower, replace the
battery with a new one.
2 Though the engine
has started, it fails
to run smoothly or
it is not powerful.
z Stale diesel fuel (owing to prolonged
storage)
• Replace the diesel fuel.
z Contaminated diesel fuel • Replace the diesel fuel.
z Clogged air cleaner • Replace the air cleaner.
z The fuel shut-off valve is not in the fully
OPEN position.
• Fully open the fuel shut-off valve.
3 The engine has
successfully
started but
suddenly stopped.
z No diesel fuel • Refuel.
z The fuel shut-off valve is not in the
OPEN position.
• Open the fuel shut-off valve.
4 Blackish exhaust z Poor quality of diesel fuel • Replace the diesel fuel and fuel filter.
z Too much engine oil • Drain the engine oil to the specified level.
z Clogged air filter • Clean or replace the air filter.
5 Pale bluish
exhaust
z Failed injection nozzle • Contact your local Cub Cadet Yanmar
dealer for technical assistance.
z Poor quality of diesel fuel • Replace the diesel fuel and fuel filter.
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