56 minutes ago, Kim Shook said:Making @Marlene's Crispy Smashed Potatoes tonight and I am pre-heating the CSO on Convection to 425F. It started making a screechy noise. I went in and cancelled and started it back up again and, so far, no more noise. Does anyone know what is up with it?
I had the same problem with my first CSO. Your fan is going. I got a replacement under warranty.