CLAAS 7685h – Claas Tr3 A57 3 Transmission Module: Overspeed in Economy

The system detects an overspeed condition in economy mode. The cause is identified as the PTO being off. The issue may be related to sensor readings or the operation of the transmission module.

1. 1

   The rear PTO speed sensor (B142)

2. 2

   The engine speed sensor (B228-1)

3. 3

   The engine speed

4. 4

   The 'Auto 5' module using tool n° 60 05 033 249

1. 1

   Check the rear PTO speed sensor (B142)

   Verify the functionality and connection of the rear PTO speed sensor.

2. 2

   Check the engine speed sensor (B228-1)

   Verify the functionality and connection of the engine speed sensor.

3. 3

   Check the engine speed

   Confirm that the engine speed is within the expected range.

4. 4

   Inspect the 'Auto 5' module

   Use tool n° 60 05 033 249 to check the 'Auto 5' module and make adjustments if required.