Failure Code [Ca1633] Komnet Datalink Timeout Error - Komatsu WA250-6 Shop Manual

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Failure code [CA1633] KOMNET datalink timeout error

Failure code

• Engine controller detected a communication error in the KOMNET communication circuit used for the

communication between the HST controller and machine monitor.

• Continues the operation from the default mode.

• Turns the centralized warning lamp and alarm buzzer ON.

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

Problem that

• KOMNET communication information may not be transmitted correctly to cause incorrect operation

of machine. (Problem depends on failure occurrence location.)

• If failure code [DAJRKR] is indicated simultaneously, carry out troubleshooting for it first.

• 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)

KOMNET datalink timeout error

(Engine controller 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.