CLAAS 768Fh: Fault Code 768Fh - TR3 (A57-3) Open Circuit of Automatic Hand Brake Sensor Disengaged

The automatic hand brake sensor is not functioning due to an open circuit. As a result, the automatic hand brake is inactive and cannot be engaged or disengaged. The release screw must be used to manually disengage the automatic hand brake.

1. 1

   TR3 (A57-3) component for signs of damage or disconnection

2. 2

   Wiring and connections related to the automatic hand brake sensor

3. 3

   The release screw mechanism for proper operation

1. 1

   Inspect

   Inspect TR3 (A57-3) for visible damage or disconnection.

2. 2

   Check

   Check the wiring and connections associated with the automatic hand brake sensor for continuity and proper attachment.

3. 3

   Test

   Test the release screw mechanism to ensure it can manually disengage the automatic hand brake.