[RFI] Samsung refrigerator RFI

Gary Smith wa6fgi at yahoo.com
Thu Aug 9 11:28:52 PDT 2012

My LG double door, one bottom freezer compartment refrigerator that is noise free. It is model # LfX 23961 st.  Sears has a similar Kenmore model.

Hope this is of some guidance.


> From: myles landstein <myles.landstein at gmail.com>
>To: Mel Crichton <kj9c at iquest.net> 
>Cc: rfi at contesting.com 
>Sent: Wednesday, August 8, 2012 5:32 PM
>Subject: Re: [RFI] Samsung refrigerator RFI
>Funny you mention that  not to long ago I got the LG refrigerator  two top double doors  and 2 bottom sliding freezer drawers.
>I stood by a working Samsung in the store which was plugged in, almost got it, noticed it even caused noise on my cell phone 
>Got lucky it throws out a bit of wide noise but only w/in a few feet of the unit   and since the unit hardly comes on much it seems to be ok RF wise
>Just tested around 1-54mhz  do a little 2m/440  work but didn't hear anything thou i didn't  sweep 
>Seems like a ok fridge  but not  recomending it or not, just sharing my experience.
>On Aug 8, 2012, at 5:13 PM, Mel Crichton wrote:
>> My wife was so proud of herself when she bought a new Samsung side by side 
>> refrigerator with energy saving compressor. Yes, it runs quiet and doesn't 
>> use much juice, but the compressor drive has a 5 KHz supply, and as luck 
>> would have it, it wipes out all the HF bands every 5 KHz. To make matters 
>> worse, beside the 5 KHz birdie there's serious hash between the birdies. If 
>> I want to operate, I kill the breaker to the refrigerator. This isn't doing 
>> the fridge any good. I threatened to return the fridge but she threatened 
>> other things. I may find a way to make it self-destruct.
>> I called Samsung  USA and they kept me on the phone for a half hour looking 
>> for any tech support inside Samsung USA who might know of a fix. (My guess 
>> is, inadequate shielding and probably a square wave generator). No dice.... 
>> they are not aware of this problem.
>> Any help out there? The warranty isn't expired yet, but I will be removing 
>> screws in the next few days. I may get lucky with some simple shielding 
>> (Already wrapped the AC cord in ferrites)
>> In the meantime, BEWARE of Samsung energy saving refrigerators. If you are 
>> considering any top-end refrigerator, take a portable radio  with you to the 
>> appliance store and make them turn the unit on to full cooling.
>> Mel KJ9C 
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