CLAAS A094h: Valve 4 returns to neutral during tractor start

The system reports a supervisor error during tractor start, indicating that the supervisor does not start properly. Valve 4 is observed to return to neutral. Clearing the error is recommended, and if it reappears, the 4 valve should be replaced.

1. 1

   Valve 4 operation during tractor start

2. 2

   Supervisor system functionality

3. 3

   Error clearing procedure

1. 1

   Clear the error

   Follow the manufacturer's procedure to clear the fault code.

2. 2

   Monitor for recurrence

   Observe the tractor during start-up to determine if the error reappears.

3. 3

   Replace Valve 4

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