12. Troubleshooting - Honda Outboard Motor BF115A Owner's Manual

12. TROUBLESHOOTING
WARNING SYSTEM COMES ON
SYMPTOM
Overheat indicator system activates:
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Overheat indicator light comes on.
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Overheat indicator buzzer sounds.
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Engine speed decreases and stops at last.
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Engine speed cannot be increased by opening the throttle.
POSSIBLE CAUSE REMEDY
Cooling water intake port clogged. Clean the cooling water intake port.
Spark plug has improper heat range. Replace the spark plug (see page 102).
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Faulty water pump Consult with an authorized Honda
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Thermostat clogged outboard motor dealer.
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Faulty thermostat
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Cooling water passage clogged
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Exhaust gas invades cooling system.
Oil pressure indicator system activates:
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Oil pressure indicator light does not come on.
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Oil pressure indicator buzzer sounds.
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Engine speed decreases.
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Engine speed cannot be increased by opening the throttle.
Shortage of engine oil.
Improper engine oil is used.
Add engine oil to the specified level
(see page 39).
Change the engine oil (see page 96).
PGM-FI indicator system activates:
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PGM-FI indicator light comes on.
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PGM-FI indicator buzzer sounds intermittently.
PGM-FI indicator system is faulty.
Consult with an authorized Honda
outboard motor dealer.
ACG indicator system activates:
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ACG indicator light comes on.
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ACG indicator buzzer sounds intermittently.
Battery voltage is too high or low.
Faulty ACG
Check the battery.
Consult with an authorized Honda
outboard motor dealer.