Doosan DX60R Shop Manual page 844

Failure detection
No Item
19 Sensor 5V Monitoring voltage is
failure approx. 0 V.
Monitoring voltage is
4.5 V or less.
Monitoring voltage is
5.5 V or more.
20 E-ECU E-ECU temperature
overheat alarm exceeds 105°C.
Alarm is canceled
when
temperature
decreases to 100°C.
(option can change)
21 Oil pressure Oil pressure switch
low fails to turn off when
engine is running.
22 Charge failure Charge switch fails
to
engine is running.
23 Coolant Coolant temperature
temperature switch turns on.
abnormal
24 Air cleaner Air cleaner switch
blockage turns on.
alarm
25 Oily water Oily water separator
separator switch turns on.
alarm
26 Coolant Coolant temperature
temperature is 115°C or higher.
high alarm
alarm is canceled
when
temperature
decreases to 110°C.
(Option can change)
27 E-ECU failure Flash ROM suffers
[ROM error] checksum error.
28 E-ECU failure Reading
[EEPROM fails.
error]
EEPROM
checksum error.
29 E-ECU failure E-ECU
[EEPROM communicate
failure] sub CPU.
30 E-ECU failure Map
[Mapping invalid.
error]
31 E-ECU failure Sensor
[E-ECU 4.6V or more, or 1.0V
temperature or less.
sensor failure]
Electrical System
Page 32
Operation when failure occurs
conditions
Engine runs normally.
Engine runs normally. (Option can change)
E-ECU
Engine runs normally. (Option can change)
Engine runs normally.
turn off when
Engine runs normally. (Option can change)
Engine runs normally. (Option can change)
Engine runs normally. (Option can change)
Engine runs normally.
Coolant
Engine stops.
/Writing Engine runs normally.
suffers
fails to Engine runs normally.
with
format is Engine stops.
voltage is Engine runs normally.
Action/
condition for Category
recovery
Turn key off.
Always
enable
Correct
failure.
Default to
disable
Correct
Default to
failure.
disable
Turn key off.
Default to
disable
Turn key off.
Default to
disable
Turn key off.
Default to
disable
Turn key off.
Default to
disable
Correct
failure.
Default to
disable
Turn key off. Always
enable
Turn key off.
Always
enable
Turn key off.
Always
enable
Turn key off.
Always
enable
Correct
failure. Always
enable
SP001687
Number
of
flashes
2-4
2-5
3-1
3-2
3-3
3-4
3-5
3-6
4-1
4-1
4-1
4-1
4-1