7F03h

CLAAS 7F03h: Communication Failure with EXT (A62) Module

Issue description

The system has not received a message from the EXT (A62) module for a period exceeding 5 seconds. This indicates a loss of communication between the controller and the EXT (A62) module.

Check the cause

  1. Connection between the controller and the EXT (A62) module

  2. Power supply to the EXT (A62) module

  3. Cabling and wiring related to the EXT (A62) module

Repair steps

  1. Inspect

    Inspect the connection between the controller and the EXT (A62) module for loose or damaged contacts.

  2. Verify

    Verify the power supply to the EXT (A62) module is stable and within the required range.

  3. Test

    Test the cabling and wiring related to the EXT (A62) module for continuity and integrity.

Parts you might need

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