Engine Control System; Alert System; Overheat Alert; Low Oil Pressure Alert - Yamaha F150A Owner's Manual

Engine control system

EMU26803

Alert system

ECM00091
NOTICE
Do not continue to operate the engine if a
alert device has activated. Consult your
Yamaha dealer if the problem cannot be lo-
cated and corrected.
EMU26827

Overheat alert

This engine has the overheat alert device. If
the engine temperature rises too high, the
alert device will activate.
The engine speed will automatically de-
G
crease to about 2000 r/min.
The overheat-alert indicator will light or
G
blink.
The buzzer will sound.
G
38
If the alert system has activated, stop the en-
gine and check the cooling water inlets:
Check trim angle to be sure that the cooling
G
water inlet is submerged.
Check the cooling water inlet for clogging.
G
ZMU01757 Dual engine drive users:
If the overheat-alert system of one engine ac-
tivates, the engine will slow down. To switch
off the alert activation on the engine not affect-
ed by overheating, turn off the main switch of
the engine overheating. If the alert system
has activated, stop the engine and tilt the out-
board motor up to check the cooling water in-
let for clogging. If the alert system has still
activated, tilt the overheated outboard motor
up and return to the port.
ZMU04583 EMU35025

Low oil pressure alert

If the oil pressure drops too low, the alert de-
vice will activate.
ON ON
OFF START OFF START
ON ON
OFF START OFF START
ZMU04584
ZMU05827