CLAAS 78D0h: Communication Loss Between Lifting Module and External Function Module

The lifting module REH (A58) detects a communication loss with the external function module EXT (A62) during a CSM sequence. This indicates a failure in the communication link between these two modules.

1. 1

   The connection between the lifting module REH (A58) and the external function module EXT (A62)

2. 2

   The integrity of the wiring or cabling between the lifting module REH (A58) and the external function module EXT (A62)

3. 3

   The functionality of the lifting module REH (A58) and the external function module EXT (A62)

1. 1

   Inspect the connection

   Check the physical connection between the lifting module REH (A58) and the external function module EXT (A62) for any looseness, damage, or corrosion.

2. 2

   Test the wiring

   Verify the integrity of the wiring or cabling between the lifting module REH (A58) and the external function module EXT (A62) using a multimeter or diagnostic tool.

3. 3

   Test the modules

   Test the lifting module REH (A58) and the external function module EXT (A62) individually to determine if either is faulty.