Troubleshooting - Yamaha EF12000DE Owner's Manual

TROUBLESHOOTING

When generator engine fails to start after several attempts, or if no electricity is
available at the output receptacles, check the possible causes in accordance with
the following table. If your generator still fails to start or generate electricity, con-
tact your nearest Yamaha dealer or authorized service center for further informa-
tion or corrective procedures.
Possible causes
Problem
Starter will not run
Starter runs, but Engine will not start.
Rotation decreased
Unstable rotation
Breaker turned off
Low power
The starter motor will not run :
I Wait for more than 0.5 second after the engine is stopped and then turn the
starter switch to the "START" position.
I If a remote control unit is connected, check if both starter switch on the control
panel and the engine switch on the remote control unit are switched on.
The engine stopped and the oil pressure warning lamp flashed for three minutes.
Check the following.
No fuel in the fuel tank
I
Fuel cock not open
I
No sufficient engine oil
I
× ×
×
×
×
×
Supply fuel
・ ・ ・ ・ ・ ・ ・ ・
Turn on fuel cock
・ ・ ・ ・ ・ ・ ・ ・ ・ ・
Add or change engine oil
・ ・ ・ ・ ・ ・ ・ ・
−35−
× × × ×
× × × × × ×
× × ×
× × ×
×
× ×
× × × × ×