Roger (Sensotronic) said: "I couldn't get on with my D2 Storm but I will still be getting a D4 Premium. I hope the upholstery nozzle doesn't keep falling out of it's holder like it did with my Storm."
Ryan (Sebo_fan) said: "Contact SEBO about the nozzle falling off the back. It happened to me also - they sent out a slightly redesigned nozzle free of charge."
Thanks, now I know I'm not alone! My Sebo (Airbelt D4 Premium) also keeps dropping the upholstery nozzle. It hasn't been enough to make me complain about it yet (I just got it at the beginning of the year), but now that I know what to tell my dealer, I will. I've been meaning to take the machine to the dealer to be fixed anyway, every once in a while it howls, so there must be some kind of air leaking in there, but it's working well most of the time so it hasn't been a priority, but I'll deal with it soon.