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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Line noise and then agian. posted by jking67 on January 11, 2008 at 13:57:01:
Electrical noise usually comes from interrupting current that is already flowing, because of the circuit inductance. If you get a pop in your audio system when the blower starts, then perhaps the plenum switch is faulty.
Does your furnace have a digital control that operates the blower? Have you tried a line filter on the AC supply to the furnace?
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Follow Ups
- Interesting. I would not expect a switch closure to cause a pop. - Al Sekela 15:21:08 01/11/08 (5)
- RE: Interesting. I would not expect a switch closure to cause a pop. - jea48 09:54:48 01/13/08 (2)
- It may well be the starting switch opening. - Al Sekela 15:36:31 01/15/08 (1)
- No switch on the motor.... This type of motor does not use one - jea48 20:24:11 01/15/08 (0)
- RE: Interesting. I would not expect a switch closure to cause a pop. - jking67 05:44:19 01/12/08 (1)
- The oil burner... - Al Sekela 16:48:37 01/12/08 (0)