CLAAS 788Fh: EXT External Function Module Not Receiving Rear Lifting, Theoretical Speed, and Rear PTO Information

The EXT external function module is not receiving data related to rear lifting, theoretical speed, and rear PTO information from the system. This condition has persisted for more than 5 seconds, indicating a potential issue with data transmission or signal availability.

1. 1

   The connection and integrity of the BUS CAN communication line

2. 2

   The functionality of the component sending the rear lifting, theoretical speed, and rear PTO information

3. 3

   The configuration and operation of the EXT external function module

1. 1

   Inspect

   Check the BUS CAN communication line for damage, loose connections, or corrosion.

2. 2

   Test

   Verify the functionality of the component responsible for providing rear lifting, theoretical speed, and rear PTO information.

3. 3

   Validate

   Confirm the configuration and operation of the EXT external function module according to the service manual.