Miele KFN8452SD – loud fan noise AFTER defrosting

[mielemum]

I posted once before about the warning beeps that our Miele makes all the time – apologies for not replying to Bryan who very kindly answered but I had a baby!

Anyway, we have still been getting intermittent warning beeps from the freezer and it started making a horrendous noise from the fan as well, as if ice was trapped in it. We suspect this might be due to the aforementioned baby wandering in and opening the freezer door (yes we have a lock thing on it – he can open it unlike my husband!)

So last week we unplugged it and did a full defrost. The back of the freezer was coated with a thick layer of ice; at the base of the freezer there is a sort of hard plastic ledge, and if you slide your hand back up under it, there was a huge block of ice. We gave it several days to completely defrost and dry before switching it back on.

Within 4 hours (possibly less) frost had appeared all over the back of the fridge (not ever a problem before) and the freezer fan had started making a very loud noise. It doesn’t sound like it did before, I can see that the fan is spinning fast and freely, but it is just really LOUD. As if it is over-revving or similar.

Is this just because we defrosted it and now it’s getting up to speed, as it were, or is it time for me to take out a second mortgage and call the Miele engineer?

Many thanks for your help 🙂

[admin]

Re: Miele KFN8452SD – loud fan noise AFTER defrosting

Hi

You don’t actually need a Miele engineer as a Liebherr on will do the job to the same standard as these appliances are made by Liebherr for Miele. Where about in the country are you ?

Bryan

[mielemum]

Re: Miele KFN8452SD – loud fan noise AFTER defrosting

We are in Gloucestershire.

It’s gone quiet! I turned the thermostat up a bit (from 21 to 18) and the fan stopped entirely (I guess it was at temperature?) This morning I had a look and put back the top drawer which I had left out by mistake – the fan fired up but not as noisily as before and it stopped after a couple of minutes.

Hopefully that will sort it but I will seek a Liebherr engineer if it goes mental again – thank you for the tip 🙂

[Author]

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