Doosan DX60R Shop Manual page 843

Failure detection
No Item
7 Backup speed Engine start signal
sensor failure (E8) is on, but the
engine
zero.
Engine
decreases by 480
min
40ms.
8 CAN CAN communication
communication packets cannot be
failure received.
9 EGR valve Low
failure detected
through port is off.
High
detected
through port is on.
10 CSD solenoid High
valve failure detected
through port is off.
Low
detected
through port is on.
11 Air heater relay High
failure detected
through port is off.
Low
detected
through port is on.
12 Main relay Power is not shut off
failure even though main
relay is off.
13 Rack actuator Low
relay failure detected
through port is off.
High
detected
through port is on.
14 Backup Sensor
accelerator 4.6V or more, or 0.2V
sensor failure or less.
15 Atmospheric
pressure
sensor failure
16 Oil pressure Oil pressure switch
switch failure fails to turn on when
engine is off.
17 Charge switch Charge switch fails
failure to
engine is off.
18 Power supply E-ECU
voltage voltage
abnormal 10.0V.
E-ECU
voltage
16.0V.
Electrical System
Operation when failure occurs
conditions
Engine continues to run while main speed
sensor is used.
speed is
Backup speed sensor failed : Engine stops.
speed
-1
or more in
Last value is retained. Backup sensor
becomes active.
status is Engine runs with limited output (92%) and
even
speed (1800min
status is
even
status is Engine continues to run with port being off.
even
status is
even
status is Engine runs with air heater relay being off.
even
status is
even
Engine runs normally.
status is Engine stops.
even
status is
even
voltage is Engine
accelerator sensor is used.
Main accelerator sensor failure : Engine
runs at 1500min
Atmospheric pressure compensation is
canceled.
Engine runs normally. (Option can change)
Engine runs normally.
turn on when
supply Engine runs normally.
exceeds
supply
exceeds
-1
)
continues to run while
-1
. (Option can change)
Action/
condition for Category
recovery
Turn key off.
Default to
disable
Correct
Default to
failure.
disable
Turn key off.
Default to
disable
Turn key off.
Always
enable
Turn key off.
Default to
disable
Correct
Default to
failure. Or turn
disable
key off.
Turn key off.
Always
enable
main Correct
failure.
Default to
disable
Turn key off.
Default to
disable
Turn key off.
Default to
disable
Turn key off.
Default to
disable
Correct
failure.
Always
enable
Number
of
flashes
1-1
1-2
1-3
1-4
1-5
1-6
1-7
1-8
1-9
2-1
2-2
2-3
SP001687
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