CLAAS A087h: Spool behaviour error for 4 valve

The 4 valve spool is experiencing a behaviour error, where the position requested does not match the controlled position. The 4 valve returns to neutral. The error can be cleared, but if it reoccurs, the 4 valve may need to be replaced.

1. 1

   The operation of the 4 valve spool

2. 2

   The position feedback mechanism for the 4 valve spool

3. 3

   The system's ability to maintain the requested position of the 4 valve spool

1. 1

   Clear the error

   Use the diagnostic tool to clear the fault code A087h.

2. 2

   Monitor the system

   Observe the operation of the 4 valve spool after clearing the error to determine if the issue recurs.

3. 3

   Replace the 4 valve

   If the error reappears, replace the 4 valve as indicated in the source.