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KOMATSU TESTING AND ADJUSTING Failure code

1、KOMATSU Failure Code 989F00

Location of Failure- HST Motor protection caution

Nature of Failure (Problem, nature of failure)- Actuated (00)

Controller-HST

Action code -E00

2、KOMATSU Failure Code  DHH1KX

Location of Failure- HST oil pressure sensor

Nature of Failure (Problem, nature of failure)-Input signal outside range (KX)

Controller-HST

Action code -E03

3、KOMATSU Failure Code  DLE2LC

Location of Failure- Engine revolution sensor (Speed signal mismatch) (LC)

Nature of Failure (Problem, nature of failure)-*See separate table (LC)

Controller-HST

Action code -E03

4、KOMATSU Failure Code  DW26KZ

Location of Failure- Motor 2 solenoid system

Nature of Failure (Problem, nature of failure)-Disconnection or short circuit (KZ)

Controller-HST

Action code -E03

5、KOMATSU Failure Code  DX19KZ

Location of Failure- Motor 1 solenoid system

Nature of Failure (Problem, nature of failure)-Disconnection or short circuit (KZ)

Controller-HST

Action code -E03

6、KOMATSU Failure Code  DX20KZ

Location of Failure- Clutch solenoid system

Nature of Failure (Problem, nature of failure)-Disconnection or short circuit (KZ)

Controller-HST

Action code -E03

7、KOMATSU Failure Code  15B0NX

Location of Failure- HST oil filter

Nature of Failure (Problem, nature of failure)-Clogging (NX)

Controller-MON

Action code -E01

8、KOMATSU Failure Code 2G42ZG

Location of Failure- Brake pressure

Nature of Failure (Problem, nature of failure)-Drop in oil pressure (ZG)

Controller-MON

Action code -E03

9、KOMATSU Failure Code 989F00

Location of Failure- HST motor protection caution

Nature of Failure (Problem, nature of failure)-Actuated (00)

Controller-MON

Action code -E00

10、KOMATSU Failure Code 989FN1

Location of Failure- HST overrun

Nature of Failure (Problem, nature of failure)-Overrun (N1)

Controller-MON

Action code -E02

11、KOMATSU Failure Code AA1ANX

Location of Failure- Air cleaner

Nature of Failure (Problem, nature of failure)-Clogging (NX)

Controller-MON

Action code -E01

12、KOMATSU Failure Code AB00L6

Location of Failure- Battery charging circuit (Alternator terminal R signal detected when engine stopped)

Nature of Failure (Problem, nature of failure)-*See separate table (L6)

Controller-MON

Action code -E03

13、KOMATSU Failure Code AB00MA

Location of Failure- Battery charging circuit (No signal from alternator terminal R, Abnormal detection)

Nature of Failure (Problem, nature of failure)-Function impossible (MA)

Controller-MON

Action code -E03

14、KOM4TSU Failure Code  B@BAZG

Location of Failure- Engine oil pressure

Nature of Failure (Problem, nature of failure)-Drop in oil pressure ((ZG)

Controller-MON

Action code -E01

15、KOM4TSU Failure Code  B@BAZK

Location of Failure- Engine oil

Nature of Failure (Problem, nature of failure)-Drop in level (ZK)

Controller-MON

Action code -E01

16、KOM4TSU Failure Code  B@BCNS

Location of Failure- Engine coolant temperature

Nature of Failure (Problem, nature of failure)-Overheat (NS)

Controller-MON

Action code -E02

17、KOM4TSU Failure Code B@BCZK

Location of Failure- Radiator coolant level

Nature of Failure (Problem, nature of failure)- Drop in level (ZK)

Controller-MON

Action code -E01

18、KOM4TSU Failure Code B@C7NS

Location of Failure- Axle oil temperature

Nature of Failure (Problem, nature of failure)- Overheat (NS)

Controller-MON

Action code -E02

19、KOM4TSU Failure Code B@CRNS

Location of Failure- HST oil temperature

Nature of Failure (Problem, nature of failure)- Overheat (NS)

Controller-MON

Action code -E02

20、KOM4TSU Failure Code D5ZHL6

Location of Failure- Starting switch “C” (IGN “C” abnormal input signal)

Nature of Failure (Problem, nature of failure)- *See separate table (L6)

Controller-MON

Action code -E01

21、KOM4TSU Failure Code DAF0KT

Location of Failure- Controller

Nature of Failure (Problem, nature of failure)- Abnormally inside controller (KT)

Controller-MON

Action code -E03

22、KOM4TSU Failure Code DAJ0KR

Location of Failure- DAJ0KR HST controller (Communication shut-down)

Nature of Failure (Problem, nature of failure)- Defective communication (Abnormally in applicable component system) (KR)

Controller-MON

Action code -E03

23、KOM4TSU Failure Code DD15LD

Location of Failure- Monitor panel mode selector switch 1  (Panel switch 1) input error

Nature of Failure (Problem, nature of failure)- *See separate table (LD)

Controller-MON

Action code -E01

24、KOM4TSU Failure Code DD16LD

Location of Failure- Monitor panel mode selector switch 1  (Panel switch 2) input error

Nature of Failure (Problem, nature of failure)- *See separate table (LD)

Controller-MON

Action code -E01

25、KOM4TSU Failure Code DDK3KB

Location of Failure- Deretional lever F and R signals same time input

Nature of Failure (Problem, nature of failure)- Short circuit (KB)

Controller-MON

Action code -E03

26、KOM4TSU Failure Code DDS5L6

Location of Failure- Steering oil pressure drop

Nature of Failure (Problem, nature of failure)- *See separate table (L6)

Controller-MON

Action code -E03

27、KOM4TSU Failure Code DGE2KX

Location of Failure- Engine coolant temperature sensor (High temperature) system abnormal

Nature of Failure (Problem, nature of failure)- Input signal outside range (KX)

Controller-MON

Action code -E01

28、KOM4TSU Failure Code DGE3L6

Location of Failure- Engine coolant temperature sensor (Low temperature) system abnormal

Nature of Failure (Problem, nature of failure)- *See separate table (L6)

Controller-MON

Action code -E01

29、KOM4TSU Failure Code DGH1KX

Location of Failure- HST oil temperature sensor system abnormal

Nature of Failure (Problem, nature of failure)-Input signal outside range (KX)

Controller-MON

Action code -E01

 

 

 

 

30、KOM4TSU Failure Code DGR4KA

Location of Failure- Axle oil temperature sensor system abnormal

Nature of Failure (Problem, nature of failure)-Disconnection (KA)

Controller-MON

Action code -E01

*Separate table: Detailed phenomena of problem code (L*) Problem code Nature

  • L0 Fill signal ON 2 or more channels for clutches not forming a set are input at same time
  • L1 Fill signal is ON when command current to ECMV is OFF
    L2 Fuel pressure is greater than maximum specified value
  • L3 Corresponding component cannot be controlled
  • L4 ON/OFF signals for 2 systems do not match
  • L5 Potentiometer signal and switch signal do not match
  • L6 Engine speed signal, terminal C signal, signals for oil pressure switch, water temperature, etc. do not match operating
  • condition or stopped condition of machine
  • L8 Analog signals for 2 systems do not match
  • LC Speed signals for 2 systems do not match
  • LD Switch has been kept pressed for abnormally long time
  • LH Fill signal is OFF when command current to ECMV is ON

 

 

 

 

 

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