[Expert Machine] How can I do when fail to be pairing?

First,

-Turn off the machine, close the slide and then press the button for 6 sec.

-All buttons flicker 3 times, set the Coffee dial to the Lunggo size.

-When you presso the button, the Lunggo button will be flash.

-The dial turn right focusing on 1 key, and extract coffee.

-Press the button once again, the button flickers 3 times. The machine set initialization.

Second,

-Trun off the Nespresso app

-Delete the app and download it once again

-In condition with turning on the machine, turn on the bluetooth of cell phone and then remove the Expert machine

-Trun on the function, which information of location and try to be pairing once again