Smeg DO4SS-5 Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › Smeg DO4SS-5 This topic has 0 replies, 1 voice, and was last updated 13 years, 4 months ago by Profyaffle. Viewing 1 post (of 1 total) Author Posts November 15, 2012 at 11:13 am #72541 ProfyaffleParticipant Tech info and advice: This is the first time I’ve come across this fault. I have one of these where the customer reports that when Baking the cakes etc Fan upwards toward the door with a wave like result. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In