Re: New Smarthome Appliance Module

[Art Todesco <actodesco@xxxxxxxxx>]

I didn't really mean to imply that the whole house
filter would solve, or even help
this problem.  However, I hope it will help some
of the random triggering that
happens from time to time.

Dave Houston wrote:
> I doubt a filter will help. There is some evidence that the *Linc modules
> and switches are affected by out-of-band noise that the filters do not
> block. In my case, X-10 made LM14As worked fine in circuits where 2000STWs
> would not work reliably. THe LED on the 2000STWs would blink randomly but I
> could see no noise on the line using a scope and ACT's Scope-Test2.
>
> Does their appliance module have an LED? What is it doing when the module is
> unresponsive?
>
> Art Todesco <actodesco@xxxxxxxxx> wrote:
>
>
>>Update from OP:  One of the 3 times this has
>>happened was most probably NOT a loss
>>of housecode/unit code.  I still think the first 2
>>occurrences were.  The 3rd occurrence
>>was probably a situation where there was some type
>>of interference preventing
>>access in that particular location.  This seems to
>>happen from time to time in my
>>house.  Next I am going to try one of the whole
>>house x10 filter units.  I'll keep you
>>posted.
>>
>>Dave Houston wrote:
>>
>>>I don't know what they use in appliance modules but they use a PIC16C622A
>>>and a 24LC32A (4KB EEPROM) in the 2000STW lamp module. There's no reason to
>>>think that the EEPROM would lose data from power glitches. It's more likely
>>>to be a flaw in the firmware used in the PIC so I agree that replacing them
>>>is probably futile until they find and fix the flaw.
>>>
>>>Wayne <wayne@xxxxxxxx> wrote:
>>>
>>>
>>>
>>>>Correct, that is not supposed to happen.  But it happens to me
>>>>occasionally on multiple modules.  I suspect it is related to power
>>>>line glitches or spikes.  Do you have any idea what is causing yours
>>>>to reset?
>>>>
>>>>I spoke with some SmartHome folks at EHExpo in March and apparently
>>>>they had heard of modules losing thier settings, but didn't have
>>>>enough clues at the time to determine a root cause.  I have been
>>>>unable to force mine to lose thier settings by simulating power
>>>>fialures.  SmartHome has offered to replace them under warranty, but
>>>>there isn't much point for me until they fix the issue.
>>>>
>>>>On Sun, 29 May 2005 08:59:45 GMT, "BruceR" <brNOSPAM@xxxxxxxxxx>
>>>>wrote:
>>>>
>>>>
>>>>
>>>>>Send it back. That's not supposed to happen.
>>>>>
>>>>>From:Art Todesco
>>>>>actodesco@xxxxxxxxx
>>>>>
>>>>>
>>>>>
>>>>>>I have one of those new "wheelless" Smarthome
>>>>>>appliance modules.  It looses the housecode and/or
>>>>>>unit code about once per week.  Is this a common
>>>>>>problem?  Anyone else have this problem?
>>>>>
>