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I have a Liebherr fridge freezer. Model n0 CNES 3866 The fridge has started to frost up on the rear wall.I've dusted off the refrigeration unit at the back and cleanded the inside of the fridge.The only way to get rid of the ice was to switch of fridge and let it melt.I've turned the temperature of the fridge up to 7c but its still forming frost. can anyone help.Lynn

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I left the fridge closed for 12 hours after cleaning and the back wall is now frost free.Great!! Lynn

Posted on Sep 09, 2009

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My Liebherr CNes 3366 fridge freezer has started to build up ice in the bottom of the freezer. How do I check the fan in the fridge is working, (I never see it going)as it may be the cause? thanks r


remove cover and test with a meter or push door switch when door open and should hear fan hum or feel air when door open fan stops unless you push switch

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My fridge keep freezing every thing


If it were the freezer area and you had frost on the rear wall of the freezer I would say that your unit has a defrost issue. The freezer is the only area that produces cold there is an evaporator fan that blows the cold air through a diffuser or damper door located in the rear of your refrigerator. If the damper door is not closeing then your refrigerator side of the unit due to the door not being able to close would start to freeze items inside of it. Remove the diffuser door and assure that there is no frost blocking the fins or the door (some have fins that open and close others have a door ) do not have any frost build up or ice build up as well. Also assure that the door is able to open and close. If the door has ice, frost, or you are not able to open and close the door you would replace the diffuser door in the unit. If the door has no ice and opens and closes properly then you would look at the thermostat for the refrigerator which is located usually in the ceiling and is attached to the knob that you would use to make the tempreture on the refrigerator side colder. If you have any further questions message me back. Please also remember when our chat has fully concluded to rank how this opinion has helped in your appliance situation it allows me to continue helping others in similar situations in the future. If you need a schematic of your unit message me back the make and the model number. Thanks again
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Sep 17, 2011 | Liebherr Refrigerators

1 Answer

Fridge warm. Freezer frosting over. I've


Hi


Check the back wall or floor of the freezer section for frost. Check the freezer ( evaporator) fan to see if it is running. Check the condenser coils under the unit for blockage from dust. Check the condenser fan (under the unit) to see if it is running.
If you have frost in the freezer there is a problem with the defrost system and the freezer will start to warm eventually as well as the fresh food section. If that is the problem you can check the defrost terminator, defrost heater/s, and the defrost timer or adaptive defrost control If used on your unit or the main control board if so equipped. These things usually require dismantling the freezer and other areas of the refrigerator to be checked.

There can be many factors for the no cooling factor: the condenser coils could be blocked with dust, the condenser fan could be bad or stuck, the freezer fan could be stuck or bed, the freezer coils could be blocked with frost because the self-defrost system is not working or the compressor is not running because of a bad relay etc.


Please check this link to get a detailed idea about your issue:-


http://www.appliance-repair-it.com/refrigerator-not-cooling.html


Please get back to us if you have further query else please accept the suggestion.
Thank you for contacting fixya.com


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1 Answer

Fridge side not cold freezer side too cold frosting up


Hi,

Thank you for contacting fixya.com.

Check the coils on the rear of the refrigerator and make sure they are clean and dust free. Also check the back wall or floor of the freezer section for frost. Check the evaporator fan to see if it is running. Check the condenser coils under the unit for blockage from dust. Check the condenser fan under the unit to see if it is running. If you have frost in the freezer there is a problem with the defrost system and the freezer will start to warm eventually as well as the fresh food section. If that is the problem you can check the defrost terminator, defrost heater/s, and the defrost timer or adaptive defrost control If used on your unit or the main control board if so equipped. Also check the freezer to ensure it isn't over loaded with food stuff, reason being air must flow freely threw out the entire refrigerator in order for the thermostat to work correctly.

Defrost the freezer by disconnecting the power to the refrigerator and letting it sit for at least 24 hours with both the doors open to allow the frost to melt completely but it will build up again in 1-2 weeks and start the warming up again.

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its the main board relays on the board on the back panel or just inside the lower area on the left wall near the compressor compartment

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Hello,
Normally if you remove the LHS salad drawer in the fridge you will see a sticker on the wall of the unit with the relevant information.

Hope this helps.

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1 Answer

Liebherr frost free fridge/freezer


Try these solutions in these order:
1. Switch off the fridge and leave the door open overnight. Switch it back on in the morning.
Explanation: The sensor inside the fridge gets frozen and cannot control the temperature properly.
2. Switch off the fridge. Unplug it. At the back of the fridge (behind the unit, not inside) there is a large grid. Clean it with a hoover thoroughly. Open the fridge. Dry the back of the fridge if wet (inside the fridge). If frosted wait for it to defrost and then dry it. Plug in the fridge. Switch the fridge back on. This one worked for me.
Explanation: The dust in the grid deprives the fridge from cooling down and the unit can't control the temperature in the fridge section.
3. Switch off the fridge. -Unplug it. Empty it. Turn it upside down. Plug it in. Switch it on for 24 hours. Switch it off. Unplug, return to normal and switch on.
Explanation: This has to do with the pressure of the gas inside the compressor. I have not tried it but this advice as given to me by a qualified electrician when I commented the (in)famous F2 problem in Liebherr fridge/freezers.
Hope it helps. Regards. Albert

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