Bosch Fridge-freezer, KGN33V00GB/01.

Freezer auto-defrost does not work. Freezer evaporator iced up. Fridge does not cool.

Switched off and emptied - took ages to defrost.

Have taken out Regulator-temperature (Bosch pt.no. 00661623).

Q1. Is this a radio control? (no wire connection)

Q2. How do I test it?

Q3. What other faults could there be?

F. Giles, December 2015

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