Failure Code [Dajrkr] Hst Controller Can-Net Signal: Disconnection - Komatsu WA250-6 Shop Manual

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340 Troubleshooting by failure code (Display of code), Part 4

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

Failure code

• Machine monitor cannot get information from HST controller

• Uses CAN information that was sent from HST controller before the occurrence of the error.

• Turns the centralized warning lamp and alarm buzzer ON.

machine monitor

• If problem is removed, system is returned to normal operating state.

Problem that

• The monitor does not display normally

• If HST controller power supply circuit is defective, machine cannot travel in either direction.

• Method of reproducing failure code: Turn the starting switch ON.

Defective CAN end point

Possible causes

and standard

value in normal

Disconnection in wiring har-

(Disconnection or defective

contact in connector)

WA250, 250PZ-6

HST controller CAN-NET signal: Disconnection

(Machine monitor system)

a Prepare with starting switch OFF, then carry out troubleshooting

without turning starting switch ON.

a Prepare with starting switch OFF, then carry out troubleshooting

without turning starting switch ON.

a Prepare with starting switch OFF, then carry out troubleshooting

without turning starting switch ON.