Kubota M4304: No Communication with Keypad

The system is unable to establish communication with the keypad. This may prevent the operator from interacting with the machine's control interface.

1. 1

   Connection between the keypad and the controller

2. 2

   Power supply to the keypad

3. 3

   Wiring harness for the keypad

1. 1

   Inspect

   Check the connection between the keypad and the controller for loose or damaged contacts.

2. 2

   Test

   Verify the power supply to the keypad using a multimeter or equivalent testing device.

3. 3

   Examine

   Look for visible damage or wear on the wiring harness connected to the keypad.