Hi Barry,

The problem you have described in which the X10 transceiver sometimes
sends a continuous stream of dim signals on the powerline is referred to
as the "Endless dim syndrome"!

Different solutions have been suggested for this malady - from adjusting
the length of the telescopic antenna to reducing the sensitivity of the
RF receiver to changing the value of a resistor in the RF daughter card
in the transceiver (TM751) from 1K to 3.9K.

If you are interested in solving the problem yourself, you will find
this site highly informative about X10 devices:
http://www.geocities.com/ido_bartana (There is an underscore after ido)

Regards,
Bala


> -----Original Message-----
> From: Barry Gershenfeld [mailto:barry@ZMICRO.COM]
> Sent: Wednesday, July 04, 2001 7:08 AM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [EE]: Bulb Life, X-10 turn-on would seem to up life
>
> Anyway, it just so happens that this thing happened to me, yet
> again, recently when I put in a ("Firecracker") X-10 remote
> control setup in my house.  I noted with some amusement that
> I could hear the signal coming out of the RF module on my
> radio.  BTW, the radio itself wasn't connected to any X-10
> module.  And then I discovered some kind of "bug" where the
> RF module gets "stuck".   It happens when I try to dim
> my lamp.  On/Off works ok but if it gets stuck in the
> dim sequence it just keeps transmitting until I unplug it.
> Or I can wait awhile and it will stop eventually. Or I
> can get right up on it with the remote and somehow
> interrupt it.  Or I can fiddle with the telescoping antenna
> and get it to stop.  Sometime by adjusting the antenna I
> can get it to not do that.  Usually by putting it at an
> inconvenient angle or collapsing it so it doesn't receive
> so good anyway.
>
> Just thought I'd mention this in case it helps you figure
> out something.   Or maybe someone else knows more about
> this.
>
> Barry
>
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