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One more information: When I measure the temperature inside the top unit (with a Fluke thermometer) it goes between -35 degrees and +30 degrees, so the freezer part and the defroster (heating) part seems to work as intended.
Ah. Trade secrets 🙂 I’ve already had (and paid) an authorised Liebherr service engineer on site and he found the fan not to run because of too much ice buildup. He said the fan almost never failed and should start fine as soon as the ice had melted. It did not. I’m not too keen on paying him one more time. We’ve already bought a new Liebherr as a replacement, so if I can get this one to work, it’s a bonus. If I cannot figure out how to enter the service menu (there aren’t that many button combinations to press) I will try to remove the fan and see if it runs when it gets power. I need to narrow down the possible faulty parts. If the fan runs fine when manually triggered, then it is most likely, as you said, the evaporator sensor.
Tony R wrote:There is a service menu to test the fan
Thank you for the information. Yes, this unit was bought in Norway in 2012, and it’s plausible that the reseller’s storage was in Denmark. Does anyone know how to get into the service menu? It would be helpful to manually force the fan to start to see it works or not, to rule it out of the equation.
