Troubleshooting - Yamaha EF1000iS Owner's Manual

AE01097
Engine won't start
707-091
ON
OFF
705-072
700-006
763-223b
791-001d
AE00785
Generator won't produce power

TROUBLESHOOTING

1. Fuel systems
No fuel supplied to combustion chamber.
2 No fuel in tank .... Supply fuel.
2 Fuel in tank .... Fuel tank cap air vent knob and
fuel cock knob to "ON".
2 Clogged fuel line .... Clean fuel line.
2 Clogged carburetor .... Clean carburetor.
2. Engine oil system
Insufficient
2 Oil level is low .... Add engine oil.
3. Electrical systems
2 Engine switch to "ON" and pull the recoil starter.
Poor spark
2 Spark plug dirty with carbon or wet .... Remove
carbon or wipe spark plug dry.
2 Faulty ignition system .... Consult a Yamaha deal-
er.
2 Safety device (AC) to "OFF" .... Stop the engine,
then restart.
2 Safety device (DC protector) to "OFF" .... Press to
"RESET" the DC protector.
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