707-100

ON

OFF

705-073b

700-006

763-120g

760-009

AE01078

TROUBLESHOOTING

Engine won’t start

1. Fuel systems

No fuel supplied to combustion chamber.

2No fuel in tank .... Supply fuel.

2Fuel in tank .... Fuel cock knob to “ON”.

2Clogged fuel line .... Clean fuel line.

2Clogged carburetor .... Clean carburetor.

2. Engine oil system Insufficient

2Oil level is low .... Add engine oil.

3. Electrical systems

2Engine switch to “ON”. Poor spark

2Spark plug dirty with carbon or wet .... Remove car- bon or wipe spark plug dry.

2Faulty ignition system .... Consult dealer.

4.Compression Insufficient

2Worn out piston and cylinder .... Consult dealer.

2Loose cylinder head nuts .... Tighten nuts properly.

2Damaged gasket .... Replace gasket.

AE00785

Generator won’t produce power

2Safety device (AC) to “OFF” .... Stop the engine, then restart.

2Safety device (DC protector) to “OFF” .... Press to reset the DC protector.

– 32 –

Page 37
Image 37
Yamaha EF3000iSE, EF3000iSEB owner manual Troubleshooting, Engine won’t start, Generator won’t produce power