CLAAS Id77E3h / 77E3h (14) – HYD (A60): Configuration message from valve 4 is not in the right format

The "Configuration" message from valve 4 is not in the right format. As a safety measure, the system forces electrodistributor 4 to return to neutral.

• Axion 800
• Axion 810
• Axion 820
• Axion 830
• Axion 840
• Axion 850

1. 1

   Verify the integrity of the Hydraulic CAN Bus Network communication

2. 2

   Check the module connections at the hydraulic module HYD (A60) and the electrodistributor module 4 (A105-4)

3. 3

   Check the connectors and continuity of the wiring harnesses linking the HYD module and the electrodistributor

4. 4

   Check for any short-circuits or open circuits in the wiring

5. 5

   Check the sources of energy, including fuses, power supply, and ground connections

1. 1

   Document Codes

   Note all error codes present on the tractor and analyze their interaction, as one CAN bus error can generate others.

2. 2

   Inspect Wiring

   Physically inspect the wiring harness and connectors between the HYD (A60) module and the electrodistributor module (A105-4) for corrosion, backed-out pins, or chafing.

3. 3

   Test CAN Bus

   Perform multimeter/oscilloscope tests on the CAN bus lines to ensure proper voltage and communication signals are reaching valve 4.

4. 4

   Component Replacement

   If the wiring, power, and ground are verified to be good, the fault lies within the electrodistributor module (A105-4) failing to send the correct configuration format. Replace or rebuild the electrodistributor valve.

5. 5

   Clear and Retest

   Clear all error codes from the system, then operate the tractor's hydraulic functions to verify if the anomaly appears again.