
TROUBLESHOOTING
6LPA Series Operation Manual 71
12/05
TROUBLESHOOTING CHART
Symptom Probable Cause Measure Reference
Indicators light on the
instrument panel and alarm
sounds during operation
Shift to low speed operation immediately, and check which indicator has come on.
Stop the engine and inspect. If no abnormality is identified and there is no problem
with operation, return to port at lowest speed and request repairs.
• Engine oil low pressure
alarm indicator comes on
Engine oil level is low. Check engine oil level. Add
or replace.
See Adding Engine Oil
on page 31.
Engine oil filter clogged. Replace engine oil filter.
Replace engine oil.
See Changing the
Engine Oil and Replacing
the Engine Oil Filter
Element on page 57.
• Fresh water (coolant)
level alarm comes on
Coolant / fresh water in
coolant recovery tank is
low.
Check coolant level and
refill.
See Checking and
Adding Coolant on
page 34.
• Fresh water (coolant)
high temperature alarm
comes on
Coolant / fresh water in
coolant recovery tank is
low.
Check coolant level and
refill.
See Checking and
Adding Coolant on
page 34.
Leakage in fresh water
cooling system causing
temperature to rise.
See your authorized
Yanmar Marine dealer or
distributor.
-
Contamination inside
cooling system.
See your authorized
Yanmar Marine dealer or
distributor.
-
Fresh water cooling pump
damaged.
See your authorized
Yanmar Marine dealer or
distributor.
-
• Gear oil alarm comes on Insufficient drive oil. Check oil level and refill. See Marine Drive Oil on
page 32
• Fuel filter alarm comes
on
Water level in fuel / water
separator too high.
Drain. See Draining Fuel Filter /
Water Separator on
page 60.
• Exhaust alarm comes on Insufficient discharge of
cooling seawater.Check
that seacock is
open.Damaged seawater
pump.
See your authorized
Yanmar Marine dealer or
distributor.
-
Faulty Warning Devices Do not operate the engine if alarm devices are not repaired. Serious accidents may
result if abnormalities are not identified due to faulty indicators or alarm.
Indicators Do Not Go On:
• When key is turned ON
• When any trouble occurs
(oil pressure etc.)
No electrical current
available. Circuit broken
or lamp burned out.
See your authorized
Yanmar Marine dealer or
distributor.
-
• One of the indicators
does not go out
Sensor switch is faulty. See your authorized
Yanmar Marine dealer or
distributor.
-
• Battery low charge
indicator does not go out
during operation
V-belt is loose or broken. Replace V-belt or adjust
tension.
See Checking and
Adjusting the Alternator
V-Belt Tension on
page 66.
Battery is defective. Check battery fluid level,
specific gravity or replace
battery.
See Checking the Battery
Electrolyte Level on
page 57.
Alternator power
generation failure.
See your authorized
Yanmar Marine dealer or
distributor.
-
Comentários a estes Manuais