STOPPED WORKING - KOF Zigbee Fan Controller - Light Child Device

Search SmartThings IDE in forum or google. Login & that is the web portal to the back end of your hub.

Depending on how far you have gotten installing your fan controller you will need to install KOF SmartApp & Device handler. I’ll update this comment to point you to a great post that helped me.

Here it is:
Update- Successful Hampton Bay Ceiling Fan Installation