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Joined: Apr 2003
Posts: 4
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I have a very inexp intercom Made by Novi. It utilizes you 100 throughout the house to communicate. After many months of working, it began picking up interference from something.
Units work fine outside of home. Any suggestions on how to troubleshoot were interference is coming from?
Thanks, and sorry if this is the wrong place for this post, I am new.
ED
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Joined: Dec 2001
Posts: 270
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Would you please describe the interference? Is it continuous, or is it just occasional? Is it a hum, or is it a static/scratchy sort of sound? Does it happen during certain times of the day?
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Joined: Apr 2003
Posts: 4
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Intermittent static and sometimes a buzz. Any time of the day or night, that's why we had to turn them off. Just happens randomly.
Thanks
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Joined: Oct 2000
Posts: 4,116 Likes: 4
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It utilizes you 100 throughout the house to communicate Can you clarify that a bit? You say randomly, so it doesn't happen all of the time?
Bill
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Joined: Apr 2003
Posts: 4
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I just noticed a typo: should read it uses 110 throughout the house.
No it does not happen all of the time.
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Joined: Oct 2002
Posts: 482
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Question: Have you installed any fluorescent lighting in the house recently? Have you changed any lightbulbs in the house from incandescent to energy saving fluorescent replacement?
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Joined: May 2001
Posts: 717
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stardotstar, the last time I fooled with those things, they worked on ANY outlet on the particular transformer feeding them, including your neighbors. In a populous area, this can be a problem. The interference may not be yours, but a neighbor using a skilsaw, or any other appliance. I have an electric coffee grinder that wreaks havoc with tv's, radios, etc. this could be your problem. Good luck, in most situations these things work pretty daggoned well.
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Joined: Nov 2002
Posts: 174
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I too, as a shortwave radio listener, have had to track down various sources of RFI (Radio Frequency Interference)coming over the power lines. Here is my hit list: 1. Incandescent dimmers. 2. Electric motors. 3. Fluorescent lighting. 4. Touch lamps. 5. (loudest and hardest to correct) Noise coming in over the POCO lines from dirty insulators or bad pole transformers. 6. Electronic equipment with LED displays, such as VCR's, clock radios etc. 7. HID lighting.
[This message has been edited by kale (edited 04-14-2003).]
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Joined: Mar 2002
Posts: 360
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This is going to sound really stoopid. But try twiddling the volume knob.
My computer's speakers had the same problem, 60 cycle hums, crackles and pops, it would go away if you ran the volume control up and down.
Fixing it involves replacing the volume pot, or getting in there with some sort of tuner wash or other electronic cleaner.
TW
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Joined: Dec 2001
Posts: 444
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Any type of battery charger(s) in the house? I have seen more than one occasion where a charging battery has interfered with electronic components.
Just a thought.
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Posts: 57
Joined: August 2003
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