Troubleshooting By Failure Code (Display Of Code), Part - Komatsu WA250-6 Shop Manual

Wheel loader

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Table of Contents

WHEEL LOADER

Machine model

40 Troubleshooting

340 Troubleshooting by failure code

(Display of code), Part 4

Failure code [D160KY] Backup alarm/lamp relay 1 circuit: Hot short ............................................................. 2

Failure code [D192KY] ECSS solenoid relay: Hot short ................................................................................. 4

Failure code [D1B0KA] HST safety relay: Disconnection ............................................................................... 6

Failure code [D1B0KB] HST safety relay: Ground fault .................................................................................. 8

Failure code [D1B0KY] HST safety relay: Hot short ..................................................................................... 10

Failure code [D5ZHL6] IGN C system: Ground fault/Disconnection ............................................................. 12

Failure code [DAF3KK] UNSW power supply: Ground fault/Disconnection.................................................. 14

Failure code [DAFRKR] Machine monitor CAN-NET Signal: Disconnection ................................................ 16

Failure code [DAJ0KK] HST controller power supply: Low voltage .............................................................. 20

Failure code [DAJ0KT] HST controller memory (EEPROM): Abnormality .................................................... 22

Failure code [DAJ1L4] HST controller main power line: Disconnection/Ground fault................................... 24

Failure code [DAJ1L6] HST controller main power line: Hot short................................................................ 26

Failure code [DAJ2KK] Controller solenoid power supply: Low voltage ....................................................... 28

Failure code [DAJ2L3] HST controller load power supply holding line: Hot short in wiring harness............. 30

Failure code [DAJ2L4] HST controller load power supply holding line: Disconnection/Ground fault ............ 32

Failure code [DAJ5KX] Sensor 5V power supply: Out of output range......................................................... 34

Failure code [DAJ9KQ] HST controller model selection: Disagreement of model selection signals............. 36

Failure code [DAJRKR] HST controller CAN-NET signal: Disconnection ..................................................... 37

Failure code [DAJRMA] HST controller: Disagreement in option selection .................................................. 43

WA250, 250PZ-6

Serial number

75001 and up

Chapters

Table of Contents

Wa250pz-6 75001