Yanmar 2V Series Operation Manual page 102

TROUBLESHOOTING
SYMPTOM
Engine coolant indicator
Battery indicator
Indicator (If Equipped) Does Not Turn ON - Key Switch is Turned to ON (OFF → ON)
Indicator (If Equipped) Stays On - Key Switch is Turned from Start to ON (START → ON)
• Battery indicator stays ON
• Engine oil pressure
indicator stays ON
Engine Does Not Start
• Starter motor operates but
engine does not start
86
PROBABLE CAUSE
• Low engine coolant level
• Dirty radiator fins
• Engine coolant leaking
• Contaminated engine
coolant
• Faulty engine coolant pump
• Battery failure
• Faulty alternator
• Faulty electrical wiring or
faulty indicator
• Faulty alternator
• Faulty engine oil pressure
switch
• No diesel fuel
• Air in fuel system
• Improper diesel fuel
• Clogged fuel filter
• Poor fuel injection
• Compressed air leakage
from intake / exhaust valves
• Faulty engine stop solenoid
ACTION
• Add engine coolant
• Clean the radiator fins
• See authorized Yanmar
industrial engine dealer or
distributor
• See authorized Yanmar
industrial engine dealer or
distributor
• Check battery condition
• See authorized Yanmar
industrial engine dealer or
distributor
• See authorized Yanmar
industrial engine dealer or
distributor
• See authorized Yanmar
industrial engine dealer or
distributor
• Refuel and prime fuel
system
• Bleed fuel system
• Replace with
recommended diesel fuel
• Replace fuel filter
• See authorized Yanmar
industrial engine dealer or
distributor
2V Operation Manual
REFER TO
Filling Radiator With
Engine Coolant on
page 39
Check and Clean
Radiator Fins on
page 77
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Check Battery on
page 72
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Filling The Fuel
Tank on page 32
Priming The Fuel
System on page 34
Diesel Fuel
Specifications on
page 31
Replace Fuel
Filter on page 80
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