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Old 07-19-2010, 03:36 PM   #1
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TV interference


I'm getting interference on my television every time my condensate pump comes on. The pump is plugged into the same circuit as the tv. It never did this before. Is there anything I can do other than plugging the pump into another circuit (or tv)?
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Old 07-19-2010, 05:47 PM   #2
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Quote:
Originally Posted by bluefitness View Post
I'm getting interference on my television every time my condensate pump comes on. The pump is plugged into the same circuit as the tv. It never did this before. Is there anything I can do other than plugging the pump into another circuit (or tv)?
The interference could be noise that is being picked up through the antenna system or noise on the power connection. Are you using an antenna or cable connection? Do you see the interference on all channels? Are you using a converter box?
Try running the TV using an extension cord on a different circuit like one in the kitchen.
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Old 07-19-2010, 09:35 PM   #3
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Originally Posted by bluefitness View Post
I'm getting interference on my television every time my condensate pump comes on. The pump is plugged into the same circuit as the tv. It never did this before. Is there anything I can do other than plugging the pump into another circuit (or tv)?
If it's radiated interference wrapping the pump with tin foil that is grounded should reduce it.

If it's conducted through the power line rather than radiated a long extension cord will add inductance and may lessen the interference if this is true.
Or try an RFI filter.
http://www.hosfelt.com/contents/en-u...hphrase=filter
Enter

filter

into the search term box on the upper left.

Radio Shack probably has these.

Last edited by Yoyizit; 07-19-2010 at 10:00 PM.
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Old 07-20-2010, 10:34 AM   #4
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If the problem started suddenly, maybe you just need to rebond the pump body to ground. (For example the existing grounding may have developed a loose connection.)

If you want to wrap the pump in tinfoil, do not cover openings in the body, which may be needed for motor cooling.

YOu can also ground all of the electronic equipment. Any of the input jack studs, or a screw that goes through the cabinet to the chassis, can be used as an attachment point for a ground wire that daisy chains from one piece to another.
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Last edited by AllanJ; 07-20-2010 at 10:44 AM.
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