[Hai-users] Phantom on/off problem

[Byron Peebles]

I agree with Doug.  HVAC units typically cause a tremendous voltage drop 
when
they start-up, and I wouldn't be surprised if there wasn't a spike in 
there with it.

Doug: What filter do you typically use?

Doug Burton wrote:

>Dave,
>
>Try a filter on the HVAC power supply.  I had a client's house with the same
>issues after a new HVAC.  I was able to stick a smarthome filterlinc between
>the unit and the wall plug and everything was back to normal.
>
>Hope that helps.
>
>Doug
>
>-----Original Message-----
>From: hai-users-bounces at tssi.com [mailto:hai-users-bounces at tssi.com] On
>Behalf Of Dave Horoschak
>Sent: Wednesday, February 15, 2006 8:41 PM
>To: hai-users at tssi.com
>Subject: [Hai-users] Phantom on/off problem
>
>I'm having a problem with X10 switches turning on by themselves.  I have 
>a system that's worked well for about 2 years and now this problem has 
>appeared.  I'm 99% sure that it's related to a recent HVAC install. 
>I've tried changing unit & house codes but it doesn't seem to help the 
>problem.  When I get home, any combination of the 3 affected lights may 
>be on.  I've only seen this problem on 3 of my approx. 25 X10 switches 
>installed.  These lights can turn on by themselves while I'm home as well.
>
>I'm running all Leviton switches connected to an OP2 though a CM11A.  I 
>have a coupler/repeater installed as well.
>
>Two questions:
>
>1. Is there anything else I can try to solve the problem with my 
>existing equipment.
>
>2. Would changing to a different PLC system likely help the situation? 
>If so, is UPB the current recommended choice?
>
>Thanks!
>  - Dave
>
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