CLAAS Id77CCh / 77CCh (12) – HYD (A60) - Hydraulic module: "Configuration" message from valve 3 is not received or is improbable

The "Configuration" message from valve 3 is not received or is improbable. As a safety measure, the system forces electrodistributor 3 to return to neutral.

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

1. 1

   Check the Hydraulic CAN Bus Network for communication faults

2. 2

   Check the connectors and the continuity of the harnesses linking the HYD (A60) module and the electrodistributor module (A105-3)

3. 3

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

4. 4

   Check the sources of energy (fuses, supply voltage, and ground connections) to the electrodistributor module

5. 5

   Check the compatibility of program versions, settings, and calibration if recent updates were made

1. 1

   Document Codes

   Note all error codes present on the tractor and analyze their interaction, as one code can generate another.

2. 2

   Visual Inspection

   Inspect the wiring harness and connectors on the Hydraulic CAN bus network, specifically routing to valve 3 (A105-3). Look for pushed pins, corrosion, or chafed wires.

3. 3

   Electrical Testing

   Using a multimeter, verify that the electrodistributor module (A105-3) is receiving proper supply voltage and has a solid ground. Test the CAN High and CAN Low lines for proper resistance and continuity back to the HYD (A60) module.

4. 4

   Component Isolation

   If the wiring, power, and ground are all within specification, the fault is internal to the electrodistributor module (A105-3) or, less likely, the HYD (A60) module.

5. 5

   Replacement

   Replace the faulty electrodistributor valve 3.

6. 6

   Clear and Retest

   Clear all error codes from the system memory. Operate the tractor's hydraulic functions to ensure the anomaly does not appear again and that valve 3 operates normally without returning to neutral.