4. Operation
4-3
4.2.2
Emergency stop function
This unit is equipped with the following protection
devices.
According to the kinds of trouble, the
preheating/trouble indicator lamp indicates each
trouble by the pattern of flickering and also
functions to stop engine in emergency.
Trouble
Flickering
pattern of
trouble indicator
Functions
Excessive RPM L 1 and S 1
When engine speed rises abnormally, it functions.
RPM speed: 2,070min-1
Drop of engine oil
pressure
L 1 and S 2
When engine oil pressure drops, it functions.
Function oil pressure: less than 0.05MPa
Battery charging faulty L 1 and S 3
When battery charging is not performed well owing to
a broken belt, it functions.
Rise of coolant
temperature ①
L 1 and S 4
When engine coolant temperature rises abnormally, it
functions.
Function temperature: 110
℃
(Water temperature switch)
Rise of coolant
temperature ②
L 1 and S 6
When engine coolant temperature rises abnormally, it
functions.
Function temperature: 120
℃
(ECU)
Protection of starter L 1 and S 7 When starter continues to run longer than 12 seconds.
Malfunction of RPM
sensor
L 2 and S 1
When RPM sensor is in disorder or cable connection is
disconnected or short-circuited.
Trouble of solenoid
sensor
L 2 and S 2
When cable of actuator is disconnected or
short-circuited.
Disconnection of coolant
temperature sensor
L 2 and S 4
When cable of coolant temperature sensor is
disconnected.
Short-circuiting of
coolant temp. sensor
L 2 and S 5
When cable of coolant temperature sensor is
short-circuited.
Disconnection of
alternator L terminal
L 2 and S 6 When cable of alternator L terminal is disconnected.
Excessive voltage L 3 and S 1
When voltage of alternator rides abnormally.
Function voltage: 18V.
Running out of fuel L 3 and S 2
When engine stops due to running out of fuel or fuel
system clogging.
Fuses failure L 4 and S 1
When 5A fuse fails.
(But engine will not be brought to emergency stop.)
※When engine is brought to emergency stop, some of the above flashing patterns is indicated.
L and S mean Long time and short time alternatively. Also the numbers of each L and S mean
repeated time of flickering lamp.
A120027E-1
Glow/Trouble indicator lamp
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