I have an integrated freezer - APP 6403 which I turned off to defrost. I have turned it back on but it's not getting cold. The warning button is on (to indicate not cold enough) and I have pressed to super freeze button to no avail. It was working before I turned it off....

Catherine, January 2022

https://www.ukwhitegoods.co.uk/forums/forum/public-support-forums/help-and-support/fridge-and-freezer-forum/18764-schreiber-app-6403-failure

Post #9 on that thread is a doozy!

Ehdhd, January 2022