I have had my fridge freezer for a couple of years and yesterday all of a sudden it started to defrost with temp going down to -2 (this is the freezer). I am not sure if the door was left open - I don't think it was.
Now it is all frosted and making a very loud noise when door is closed.
I think it may be the fan. the temp is back to normal.
there is nothing in the instructions about this can anyone help?
thank you in advance
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Re: Liebherr CNES 666 freezer - loud fan (?) noise
AbiH, the likelihood of frost inside the fan housing is high. You should manually defrost the unit. Unplug and use a hair dryer to melt as much water as possible. Be aware that hair dryers and water do not mix well! If it happens again, you may have low gas and require a service person.
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if the fan is still running when you open the door , the I would be leaving that idea as a last resort
get 2 taper door chocks and put one either side at the back of the fridge
push the cabinet sideways and slip one chock in a bit then do the other side
many noises are from the bottom plate that the compressor is mounted on from tapping on the floor and lifting it a bit stops the noise
the same as when you open the door the pressure on that plate is removed and so it stops hitting the floor
There is probably an ice build up behind the plastic rear panel. The ice build up gets so thick that eventually, it obstructs the fan and then you get that loud noise as the tips of the fan are chipping away at the ice.
What you need to do is to remove the rear panel and thaw the ice build up. To remove the rear panel is usually only 2 screws at the bottom.....you will find that the panel is difficult to remove due to ice build up behind it, so gentle heat from a hairdryer is a good way to accelerate the thawing process....once the panel is removed, you will see the ice build up......mine was about 2 inches thick!!!
I used the hairdryer to thaw it all out and then once cleared, switched it back on and have never had a problem since.
By the way, my F?F is a Beko CDA563FS......the one with the water dispenser on the front and frost free.
Hope this helps
Please check the fallowing: -Loose flooring or floor not firm.
- Cabinet not level.
- Tubing in contact with cabinet, other tubing or other metal.
- Drip tray vibrating.
- Fan hitting another part or worn fan motor bearings. Unplug the unit and
rotate fan manually by your finger.
- Compressor mounting grommets worn or missing; mounting hardware loose
- Free or loose parts causing or allowing noise during operation
- Check compressor it may contact with tubing or other parts.
- Check the body of your unit is not touching the wall or other object
that because the internal fan is hiting the ice or has bad bushings you can hear the noise just with the door close because when you open the door there is a switch the one turns off the internal fan so when you close the door it turn on the fan again if you wants to hear that with the door open just open the door and push the botton swich with your fingers and you'll hear the noise