Komatsu ecot3 WA200-6 Shop Manual page 11

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100 Index

Table of contents

Failure code [DDK3KA] Directional selector switch: Disconnection/Hot short............................................... 28

Failure code [DDK3KB] Directional selector switch: Ground fault ................................................................. 30

Failure code [DDK6KA] FNR lever: Disconnection/Ground fault................................................................... 32

Failure code [DDK6KY] FNR lever: Hot short................................................................................................ 36

Failure code [DDS5L6] Steering: Low oil pressure (Operation of emergency steering) ................................ 38

360 Troubleshooting by failure code (Display of code), Part 6

Failure code [DF10KA] Travel speed range selector switch: Disconnection/Ground fault ............................

Failure code [DF10KB] Travel speed range selector switch: Hot short .........................................................

Failure code [DGH1KX] HST oil temperature sensor: Ground fault ..............................................................

Failure code [DGR2KB] Brake oil temperature sensor: Ground fault ............................................................

Failure code [DGR2KZ] Brake oil temperature sensor: Disconnection/Hot short.......................................... 10

Failure code [DHH1KX] HST oil pressure sensor: Disconnection/Ground fault ............................................ 12

Failure code [DHH1KY] HST oil pressure sensor: Hot short ......................................................................... 14

Failure code [DHTCL6] HST filter clogging sensor: Functional defect .......................................................... 16

Failure code [DJF1KA] Fuel level sensor: Disconnection/Hot short .............................................................. 18

Failure code [DLT3KX] Travel speed sensor B: Abnormality......................................................................... 20

Failure code [DLT4KX] Travel speed sensor A: Abnormality......................................................................... 24

Failure code [DLT4LC] Travel speed sensor A & B: Abnormality .................................................................. 26

Failure code [DV00KY] Alarm buzzer: Hot short ........................................................................................... 28

Failure code [DW26KA] Motor 2 solenoid: Disconnection/Ground fault ........................................................ 30

Failure code [DW26KY] Motor 2 solenoid: Hot short..................................................................................... 32

Failure code [DW7BKY] Fan reverse solenoid circuit: Hot short ................................................................... 34

Failure code [DW7BKZ] Fan reverse solenoid circuit: Disconnection/Ground fault ...................................... 36

370 Troubleshooting by failure code (Display of code), Part 7

Failure code [DX16KA] Fan EPC solenoid: Disconnection ...........................................................................

Failure code [DX16KB] Fan EPC solenoid: Ground fault ..............................................................................

Failure code [DX16KY] Fan EPC solenoid: Hot short ...................................................................................

Failure code [DX19KA] Motor 1 solenoid: Disconnection..............................................................................

Failure code [DX19KB] Motor 1 solenoid: Ground fault.................................................................................

Failure code [DX19KY] Motor 1 solenoid: Hot short...................................................................................... 10

Failure code [DX20KA] Clutch EPC solenoid: Disconnection ....................................................................... 12

Failure code [DX20KB] Clutch EPC solenoid: Ground fault .......................................................................... 14

Failure code [DX20KY] Clutch EPC solenoid: Hot short ............................................................................... 16

Failure code [DXH7KB] Reverse solenoid: Ground fault............................................................................... 18

Failure code [DXH7KZ] Reverse solenoid: Disconnection/Hot short............................................................. 20

Failure code [DXH8KB] Forward solenoid: Ground fault ............................................................................... 22

Failure code [DXH8KZ] Forward solenoid: Disconnection/Hot short............................................................. 24

Failure code [J141N1] Steering pump: Overrun alarm .................................................................................. 26

Failure code [M100N1] HST pump: Overrun alarm ....................................................................................... 26

Failure code [M400N1] Motor 1: Overrun alarm ............................................................................................ 27

400 Troubleshooting of electrical system (E-mode)

E-1 Engine does not start ..............................................................................................................................

E-2. Preheater does not operate normally..................................................................................................... 10

E-3 Travel speed is low or high ..................................................................................................................... 14

E-4 ECSS does not operate .......................................................................................................................... 20

E-5 ECSS keeps operating............................................................................................................................ 23

E-6 Defective boom kick-out function and cancellation ................................................................................. 26

E-7 Defective bucket positioner function and cancellation ............................................................................ 30

E-8 Defective lift arm FLOATING holding function and cancellation ............................................................. 34

E-9 Travel direction selection system does not function................................................................................ 38

E-10 Fan does not reverse ............................................................................................................................ 42

E-11 Fan keeps rotating in reverse................................................................................................................ 46

E-12 Wiper does not operate......................................................................................................................... 48

E-13 Windshield washer does not operate.................................................................................................... 52

E-14 Headlamp, clearance lamp and tail lamp do not light up or go off ........................................................ 56

E-15 Working lamp does not light up or go off............................................................................................... 64

E-16 Turn signal lamp and hazard lamp do not light up or go off .................................................................. 69

E-17 Brake lamp does not light or it keeps lighting up .................................................................................. 76

WA200, 200PZ-6

SEN03871-05

SEN03895-01

SEN03896-00

SEN03897-02

00-100

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