SOURCE: Fridge working fine, But freezer will not go below -8 degrees
It does sound like you have a low refrigerant gas problem - only way to be sure is get a service guy to check. If you notice particularly cold parts on the wall of the fridge or freezer, rather than the more even cooling that would be normal, then this is almost certainly the problem, and should be easily enough fixed by a qualified technician. The other possibilities are: The thermostat in the freezer could be faulty -hard to test without the right gear, but just check that the temperature adjustment knob for the freezer if it has a rotary one hasn't slipped on its shaft - this would give you a different temperature than the setting you have set. Check the freezer door seal/hinge and make sure it is sealing properly all around especially at the bottom - only a small gap can make a big difference Check the back of the unit is getting enough ventilation - it should get fairly hot normally but if the ventilation is restricted then the heat has nowhere to go and the freezer wont cool completely - if there is a lot of dust on the back then give it a gentle brush - the pipes are quite fragile so be gentle. If you havent defrosted the unit for a while, try that - leave it open and off at least overnight until there is no difference between the temperature inside and outside - sometimes small amounts of moisture in the refrigerant gas can freeze into crystals and block or partially block the gas system, once they defrost they should be dealt with further round the system by the filter/drier and hopefully will no longer be a problem Hope this helps :)
SOURCE: 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
SOURCE: How to find part number of Liebherr fridge freezer
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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