How can I fix a Bosch KGN33V00GB/01 fridge-freezer?

Q1
If this is the part:

http://www.chsinteractive.co.uk/electrical-components/large-home-appliances/fridge-freezer/bosch-2/thermostats-2/thermostat-fridge-freezer-bosch-00661623-kgn34vw20g.htm

It looks like it is some kind of bimetal actuator; nothing electronic.


Looking at the description on

http://www.bosch-home.co.uk/store/product/Regulatortemperature/00661623

Close examination and thinnking along the lines of basic mechanical principles may give some inspiration as to how it works.

Q3
You could always do what you could have done from the start and do a Google search for - say "KGN33V00GB auto defrost fault"

You'd have found these among the first five results:

http://www.reviewcentre.com/reviews184597.html

http://www.ukwhitegoods.co.uk/forumsphpbb3/bosch-kgn33v00gb-fridge-freezer-cold-freezer-warm-fridge-t34042.html

https://www.youtube.com/watch?v=z-h541_14ZE

Anon
December 2015