Had this for about a month and been really pleased with this air fryer. not so happy with the temperature and time numbers, which have started to wear off meaning very soon i wont know what temperature or how long food has been cooking, which is a major flaw. i have not used any abrasive cleaners. in fact only wiped these areas with damp cloth. Have Wayfair had any other conplaints, or gad to refund customers. not very happy.