Indesit BAAN 34 Fridge - High Temperature Issue, Possible Flap Malfunction

Hello

After browsing the topics on the forum, asking Google, I decided to ask a question.

Indesit fridge. Unfortunately, I do not know the model (the decal with the model disappeared somewhere) but from google identical to BAAN 34.

The freezer works ok, while the temperature in the refrigerator is definitely too high. After browsing the forum and google, I came to the conclusion that something is wrong with the flap opening the air circulation from the freezer to the refrigerator (frozen, blocked the ice or something does not work electrically). Yesterday, after defrosting, everything worked correctly today. In most of the tips I read to get to the evaporator, clean it and possibly check the electronic-electrical components (resistance, voltage). And here the question: HOW? There are no screws, snaps or clasps in the freezer. The walls and back are completely smooth. There are such piping between the poles:
http://www.nbr.com.tr/adminen/images/urunler/org/c06e720091008165730.jpeg
falling into the back wall of the freezer. I do not want to destroy anything by doing something. I have not found a service manual anywhere in the network in which I would describe how I would undress.
There is also no access from the back (black radiator and under it styrofoam insulation).
Did someone have to deal with such a refrigerator and know how to get to the evaporator, fan and this flap? Can anyone do something? I will be grateful.

greetings
mgregor

mgregor wrote:

tubing between poles:
http://www.nbr.com.tr/adminen/images/urunler/org/c06e720091008165730.jpeg
falling into the back wall of the freezer.

But it is the evaporator wanted by you!
It is true that only freezers, but still.
Maybe this is the only evaporator in this type of refrigerator?
I do not know. This is crap so much that it is difficult to know every "patent". Maybe colleagues will help.
If you gave pictures of the interior of the refrigerator, brewer and compressor with the surrounding area, it would be easier to help you.

Then I will put pictures of the interior and the back of the fridge. Thank you for the info.
Included photo of the freezer and so much fridge. I dismantled the tube container for a better view.


The tubes from the second photo wrap to the right and follow the back wall.

EDITING / FILLING UP: after moving the fridge and disconnecting it from the current (putting it out to take pictures) the top started to cool (water droplets appeared on the back wall and the back wall became cool). I'll check how it looks later. Yesterday, after defrosting, it also cooled down properly and today no longer ...