CLAAS A094h: Supervisor error when starting. Replace the 4 valve

The tractor experiences a supervisor error during startup, and the supervisor does not start properly. The error can be cleared, but if it reoccurs, the 4 valve is suspected to be the cause. The 4 valve is reported to return to neutral.

1. 1

   Check if the error can be cleared successfully

2. 2

   Verify if the error reoccurs after clearing

3. 3

   Inspect the 4 valve for proper function and neutral position

1. 1

   Clear the error

   Follow the procedure to clear the fault code as described in the service manual.

2. 2

   Monitor for recurrence

   Restart the tractor and observe if the error reappears.

3. 3

   Replace the 4 valve

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