Firmware update via Ethernet – Troubleshooting Troubleshooting Troubleshooting In this video you will learn how to troubleshoot when updating a Nanotec controller via Ethernet. Selecting the right network card and entering the MAC address of the controller will help if an error message appears. This content is loaded directly from www.youtube-nocookie.com. We would like to point out that data could be transferred to third parties as a result. You can find details on this in our Privacy policy. Confirm and play