John Deere 523788.02: Tractor Key Switch Disconnection and Reconnection

The fault code indicates that the key switch has been disconnected and reconnected. This action may have triggered the fault code, suggesting a potential issue with the key switch or its connection.

1. 1

   Key switch connection

2. 2

   Key switch functionality

3. 3

   Power supply to the key switch

1. 1

   Inspect

   Inspect the key switch for physical damage or loose connections.

2. 2

   Test

   Test the key switch for proper operation using a multimeter or diagnostic tool.

3. 3

   Reconnect

   Reconnect the key switch and ensure it is securely fastened.