[LCC] RFI problem from our Texas connection

[Randy Prewitt]

Forwarded from our Texas friends. Two separate exchanges.

randy  K4LJA in Monroe, LA

----- Original Message ----- 
Sent: Sunday, August 01, 2010 9:16 PM
Subject: Re: FW: RFI problem


>I also monitor the RFI reflector and that sounds correct to me.  If your 
> rfi is low level or can be worked around count yourself lucky.  I would 
> think your machine would have a low usage.  It will be interesting to 
> hear what Whirlpool has to say.  I've worked with Mike Gruber  at ARRL 
> when I was involved with Vectren Energy.  Good man.....
> 
> Skip
> 
> On 8/1/2010 20:45, Randy Farmer wrote:
>>
>>> I contacted ARRL about my washing machine RFI problem and received 
>>> the following response.  My RFI isn't all that bad, so I'm not sure 
>>> I'm going to do all of this stuff, but I thought it might be of 
>>> interest to some of you.
>>
>> I'm subscribed to the RFI reflector, and there have been numerous 
>> messages regarding washing machine RFI complaints. Most the newer 
>> "high efficiency" models use DC motors with variable speed controls. 
>> The designers know how to make PWM motor controls cheap, but they 
>> don't know squat about EMI. The haphazard wiring, with no common 
>> ground point (if there's one at all) make them dandy radiators. Seems 
>> that one of the Korean brands, maybe Samsung or LG, has a reputation 
>> of being pretty clean. Whirlpool is reputed to be the worst.
>>
>> As I recall, the consensus of the experts on the RFI reflector is that 
>> the FCC doesn't regulate "appliances" at all. If they don't now, 
>> they're not likely to start any time soon. Welcome to the 21st century.
>>
>> 73...
>> Randy, W8FN


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