The regulator must be attached to its concerned port on the switch in either case, whether it is being used or not. In case you choose not to operate your fan with our smartphone app, the fan regulator wiring must be closed in the manner specified below:\n

\nTake the black jumper in the product kit, and attach it firmly on the regulator port, such that the right pin and the middle pin are covered by it. The same procedure should be followed when SMART regulator doesn't fit to the existing board