Force the Home + Control App to close and make sure it no longer works in the background.
Turn off the power of the gateway power outlet / module during 10 seconds, then turn it on again.
Open the Home + Control App, select ‘’install a new home’’ and launch the configuration mode again.
Check that the gateway power outlet / module indicator briefly lights up in green when pressing the centre of the Home/Away master switch or the gateway module button, and follow the instructions.