I just bought a dyson fan that was used and I can't find the wifi password it is saying that is needed. The only information I can find is on the bottom :
Purificateur Dyson Pure Hot+Cool : Test & Avis
Dyson hot d'occasion - Electroménager - leboncoin - page 6
Support | Dyson Pure Cool™ Link tower White/Silver
Dyson PRODUCT Wi-Fi Password Problems - YouTube
Dyson Pure Air Purifier Hot + Cold Link | GenX GenY GenZ