CLAAS 7639h: TR2 (A57-2) Error on high pressure braking. Pressure < 70 bars during 0,2 to 2 seconds. Pump for 15 seconds. Start the tractor. Module number 2

The system detects an issue with high pressure braking, where the pressure falls below 70 bars between 0.2 and 2 seconds. A pump runs for 15 seconds before the tractor starts. This issue is associated with module number 2.

1. 1

   The pressure sensor associated with module number 2

2. 2

   The circuit connected to module number 2

3. 3

   The pump operation during the 15-second interval

1. 1

   Inspect

   Inspect the pressure sensor and its wiring for damage or loose connections.

2. 2

   Test

   Test the circuit connected to module number 2 for proper functionality.

3. 3

   Verify

   Verify the pump operation during the 15-second interval to ensure it is functioning as expected.