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    UF4N10E0.book  Page 56  Tuesday, September 29, 2020  8:02 AM

                                                                     Instrument operation

                            Fuel” is displayed on the  display, and the  If the check engine warning is activated, im-
                            buzzer sounds intermittently.         mediately reduce the engine speed, return to
                                                                  shore, and have a Yamaha dealer check the
                                                                  engine.
                                                                  TIP:
                                                                  Push the “OK” button of the touchpad control
                                                    MPH
                                                                  to display a description of the warning in the
                                                                  center display.
                                                    RPM
                                                                  Engine overheat warning “  ”
                                                       Low
                                                       Fuel       If  the   engine  temperature  rises
                              14.3V                               significantly, “  ” and “  ” are shown in the
                                                                  warning bar, and the buzzer sounds continu-
                            If the fuel level warning is activated, refill the  ously.
                            fuel tank as soon as possible. (See page 68
                            for information on filling the fuel tank.)
                            Battery voltage warning
                            If the battery voltage is less than 12 volts or
                            more than 18 volts when the engine is  not  If the engine overheat warning is activated,
                            running, the voltage display of the voltmeter  immediately reduce the engine speed, return
                            blinks.                               to shore, and then make sure that water is
                                                                  being discharged from the port (left) cooling
                                                                  water pilot outlet while the engine is running.
                                                                  If there is no discharge of water, stop the en-
                                                                  gine, and then check the jet intake for clog-
                                                                  ging. (See page 113 for information on the jet
                                                    MPH
                                                                  intake.) NOTICE: If you cannot locate and
                                                    RPM
                                                                  correct the cause of the overheating, con-
                                                                  sult a Yamaha dealer. Continuing to oper-
                                                                  ate at higher speeds could result in severe
                              10.8V
                                                                  engine damage. [ECJ00042]
                            If the battery voltage warning is activated,
                            have the watercraft serviced by  a  Yamaha
                            dealer as soon as possible.
                            Check engine warning “  ”
                            If a sensor malfunction  or a short circuit is
                            detected, “  ” is shown in the warning bar,
                            and the buzzer sounds intermittently.

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