Komatsu WA430-6 Shop Manual page 12

Wheel loader
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SEN00832-16
Failure code [DB99KQ] (Work equipment controller model selection:
Disagreement in model selection signals).......................................................... 29
Failure code [DB9RKR] CAN communication with work equipment controller:
Defective communication (Abnormality in target component system) ............... 30
Failure code [DB9RMA] (Work equipment controller option setting: Malfunction) ................... 32
Failure code [DB9RMC] (CAN communication with transmission controller,
engine controller and machine monitor: Defective operation)............................ 33
Failure code [DD15LD] t switch (Panel switch 1): Switch is kept pressed for long time ........ 36
Failure code [DD16LD] U switch (Panel switch 2): Switch is kept pressed for long time ....... 38
Failure code [DD17LD] < switch (Panel switch 3): Switch is kept pressed for long time ......... 40
Failure code [DD18LD] > switch (Panel switch 4): Switch is kept pressed for long time ......... 42
Failure code [DD1ALD] Remote positioner raise/lower set switch (raise):
Switch is kept pressed for long time................................................................... 44
Failure code [DD1BLD] Remote positioner raise/lower set switch (lower):
Switch is kept pressed for long time................................................................... 46
Failure code [DD1CLD] Load meter subtotal switch: Switch is kept pressed for long time ..... 48
Failure code [DD1FLD] Load meter mode selector switch (A/B):
Switch is kept pressed for long time................................................................... 50
Failure code [DD1GLD] Load meter mode selector switch (+/–):
Switch is kept pressed for long time................................................................... 52
Failure code [DD1HLD] (Load meter display selector switch:
Switch is kept pressed for long time) ................................................................. 54
Failure code [DD1NLD] (Fan reverse switch: Switch is kept pressed for long time) ............... 56
Failure code [DD1NL4] (Fan automatic reverse switch:
Switch is kept pressed for long time) ................................................................. 58
Failure code [DDB6L4] (Parking brake switch (Neutralizer): ON/OFF signals disagree) ........ 60
Failure code [DDD1LD] (Remote positioner bucket angle set switch:
Switch is kept pressed for long time) ................................................................. 64
Troubleshooting by failure code (Display of code), Part 6
Failure code [DDE5MA] (Emergency steering drive switch: Malfunction) ...............................
Failure code [DDK3KA] (Right FNR switch: Disconnection)....................................................
Failure code [DDK4KA] (Joystick steering FNR switch: Disconnection)..................................
Failure code [DDK5L4] (Joystick steering shift-up/down switch:
ON/OFF signals disagree) ................................................................................. 12
Failure code [DDK6KA] (FNR lever switch: Disconnection) .................................................... 14
Failure code [DDK6KB] (FNR lever switch: Short circuit) ........................................................ 18
Failure code [DDS5KA] (Steering pressure switch: Disconnected) ......................................... 20
Failure code [DDS5KB] (Steering pressure switch: Short-circuit)............................................ 22
Failure code [DDS5L6] (Steering: Low oil pressure)................................................................ 24
Failure code [DDT0L4] (Shift mode selector switch: ON/OFF signals disagree) ..................... 26
Failure code [DDT4LD] (Transmission cut-off set switch:
Switch is kept pressed for long time) ................................................................. 28
Failure code [DDW9LD] (Kick-down switch: Switch is kept pressed for long time) ................. 30
Failure code [DDWLLD] (Hold switch: Switch is kept pressed for long time) .......................... 32
Failure code [DDY0LD] (Load meter cancel switch: Switch is kept pressed for long time) ..... 34
Failure code [DF10KA] (Transmission shift lever switch: Disconnected)................................. 36
Failure code [DF10KB] (Transmission shift lever switch: Short circuit) ................................... 40
Failure code [DGF1KA] (Transmission oil temperature sensor: Disconnected) ...................... 42
Failure code [DGF1KB] (Transmission oil temperature sensor: Short circuit) ......................... 44
Failure code [DGH2KX] (Hydraulic oil temperature sensor: Out of input signal range)........... 46
Failure code [DGR2KA] (Rear brake oil temperature sensor: Disconnected) ......................... 48
Failure code [DGR2KX] (Rear brake oil temperature sensor: Out of input signal range) ........ 50
Failure code [DGT1KX] (Torque converter oil temperature sensor:
Out of input signal range)................................................................................... 52
Troubleshooting by failure code (Display of code), Part 7
Failure code [DH21KA] (Loader pump pressure sensor: Disconnection) ................................
Failure code [DH21KB] (Loader pump pressure sensor: Power supply line short) .................
10
00 Index and foreword
SEN01743-03
4
6
9
SEN01744-02
4
6
WA430-6

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