Re: bizarre x-10 dead zone

[David White <whitedavidp@xxxxxxxxxxx>]

Mark Chambers wrote:
> Hi All,
>
> Here's one that really has me scratching my head.
>
> Recently I lost the ability to control two incandescent lamps
> connected to an LM465 lamp module.  I replaced the module but the
> problem remained.  I tested both modules at my bench and found that
> they worked fine.  I tried an AM466 appliance module but it too would
> not respond.  I got frustrated an installed an RR501 module which
> works because it receives the RF control signal via its antenna, not
> the AC line.  I figured my passive coupler had failed and that it was
> time to replace it.
> I replaced the passive coupler with an XPCR active coupler and sure
> enough I can control the RR501 from mini-controllers or my CP290.  I
> replaced the RR501 with an AM466 but found that I lost the ability to
> control it.  Replaced the appliance module with a lamp module and
> control is back.  So a lamp module works, the RR501 quasi-appliance
> module works, but appliance modules won't work.
>
> Now it gets bizarre.  The problem only occurs in the last two outlets
> on the circuit.  In any other outlet on the circuit, any of the
> modules can receive X-10 signals and work as they should.  I don't
> actually know where the affected outlets are on the circuit and don't
> have access to the wiring to confirm their location.  Any ideas as to
> why only AM466 appliance modules are affected and only in these two
> outlets?  Note, there are no CFL bulbs involved.
>
> Thanks, Mark

Mark,

I had something similar recently. Let me ask, have you plugged-in
anything new on that circuit? In my case, it was my new LCD TV. I
purchased a filter unit that sits between the TV and the wall plug and
all was well once again. Your mileage may vary but it was great for me.

David