AirMan SDG40S-8B1, Instruction Manual

Page: 58 / 69

6. Maintenance/Adjustment
6
-
5
6.2.1 Engine trouble

This unit is equipped with a controller which
memorizes details of engine troubles. When the
engine fails, the diagnosis lamp
“
1
”
glows.
Diagnosis lamp lighting pattern indicates the
states of engine failure and it causes engine to
emergency stop.

To solve or repair failures, special knowledge is
required. Contact your nearest distributor or
directly us.
Trouble
Flickering
pattern of
trouble indicator
Functions
Excessive RPM L 1 and S 1 RPM speed: higher 115% than rated speed
Drop of engine oil
pressure
L 1 and S 2 Functioning oil pressure: less than 0.05MPa
Battery charging faulty L 1 and S 3 Disconnection of belts stops charging battery.
Rise of coolant
temperature
L 1 and S 4 When engine coolant temperature rises up to 110
℃
.
Protection of starter L 1 and S 7
This indicator is “ON” when starter continues to work
longer than 12 seconds.
Malfunction of RPM
sensor
L 2 and S 1
When RPM sensor is in disorder or cable connection is
cut 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 thermometer is disconnected.
Short-circuiting of
coolant temp. sensor
L 2 and S 5
When cable of coolant thermometer gets
short-circuited.
Disconnection of
alternator L terminal
L 2 and S 6
When cable of alternator L terminal gets
short-circuited.
Trouble of power supply
for sensors
L 2 and S 7 When power cable for ECU gets short-circuited.
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.
※
L and S mean long time and short time alternatively. Also the numbers of each L and S mean
repeated time of flickering lamp.
A100407
1
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