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LG LFX25950SW refridgerator?freezer not cooling down

Came home the other evening and all the frozen goods were thawing out and the fridge was warm. Unplugged and let it set overnight thinking it may have frozen up. Plugged back in and still will not cool down regardless of where you set the temps. Panel is functional and lights work, fan and compressor both run, but no cooling to either section. What is going on here?

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Click this link if you have assured that the compressor is running and starting by removing the rear panel and you have also assured that the units main control board is functioning properly which is located at 500a on the diagram above. I would check this main board I personally have repaired many of these units and the LG electronics are not made well and usually become problematic within 2 years on this unit and a similar kenmore unit also made by LG. Have you assured that also the compressor fan is working as well? I await your reply
Thank you

Posted on Jul 02, 2012

  • 1 more comment 
  •  Jeff Anderson
    Jeff Anderson Jul 02, 2012

    Hi Rick, I did more investigating last night and the compressor IS running, thefan for the condenser coils is also running and the blower fan for inside is running also. I cleaned the coils out as they were filthy but it did not help. I ran onboard diagnostics with the front panel and main I.C and everything checks out ok there. The coils never get really cold, and the compressor is getting pretty warm. Perhaps a refridgerant problem? is there a pressure cycling switch on these to prevent the compressor from running when the pressure is low? I'm guessing there is not

  • Rick Ead
    Rick Ead Jul 06, 2012

    How old is the refrigerator? The refrigerant flows in a circle leaving the compressor going to a metering device then to the evaporator then to the condensor and then back to the compressor again. There is a test using your multimeter to measure each of the three poles on the compressor although if you are not one to clean often those coils you could have a clog in one of the lines or a bad filter aka drier which is actually quite common. I would look more along the lines if you are unable to diagnose compressor issues as to calling a technician that is able to work on compressors.
    If you have any further questions message me back,
    Thank you,

  • Rick Ead
    Rick Ead Jul 06, 2012

    If you are able to you would need a bullet piercing valve and a set of guages in order to diagnose if there were a compressor issue



6 Suggested Answers


6ya staff

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Posted on Jan 02, 2017



  • 87 Answers

SOURCE: fridge not cool, freezer fridge temp

The most likely fault is a problem with the defrost cycle. The most likely is the defrost heater which should be a solid bar which is located directly underneath the coil. If you are capable then you can generally unplug the connectors for the heater and check that you have a resistance across the ends if the heater is faulty it will be open circuit. If it is not open circuit then it could be the defrost sensor or defrost timer at fault. You can also generally tell if the heater is warped or cracked. Hope this is of some help.

Posted on Sep 06, 2007


  • 146 Answers

SOURCE: LG fridge suddenly stopped cooling.

If the fan inside the freezer is running and the compressor behind the fridge is running and is hot to touch, you have a gas problem or the compressor is inefficient. This can only be confirmed by connecting refrigeration gauges to the gas system and should only be performed by a fridge tech.

Posted on Nov 04, 2007


Bill Newberry

  • 93 Answers

SOURCE: fridge/freezer not cooling

I will be more than happy to help you out with this.  I am a factory authorized servicer for Frigidaire.
Read this Article first on Frigidaire Refrigerators not Cooling.  Then if you have any more questions about this ask me on Frigidaire Tech Support.
Thanks, Bill

Posted on Nov 08, 2008


  • 2 Answers

SOURCE: ge side by side not cooling

it could be two things your compressor is shot .check what date you bought it if less than one year you call the store you got it from or G.E but the store you got from sholud replace with a new one dont let them send a service tech out

Posted on May 29, 2009



  • 166 Answers

SOURCE: freezer works fine, fridge cool not cold.

if the freezer is freezing and the fan working in the freezer and the fan at the compressor is working and you have no frost build up on the back wall of the freezer caused from a defrost problem -then turn your controls back to the middle. one of the controls is a thermostat control and the other control is merely an air diverter from the freezer to the refrigerator. if you close this diverter down too much (by putting it on 9)it will leave most of the air in the freezer.

bottom line if the freezer is working properly and freezing good all the time then the refrigerator should be ok as well unless you have diverted most air to the freezer. allow 24 hours after you have changed the settings.

you can feel air blowing in the back of the refrigerator at the top next to the freezer and can adjust the diverter control and feel the difference it makes. most of the time the control you use is labeled freezer and if you put both controls on 9 then your freezer will be the coldest but the refrigerator won't get as much air. the thermostat control can be left at 5 or higher (this is the control that turns the refrigerator off) but leave the other control at 5

if this doesn't work you have probably got problems with your freezer also and may not know it yet.

Posted on May 27, 2010

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