Re: Wireless Motion Sensor goes off when A/C set to higher temps

["alarman" <alarman2000@xxxxxxxxx>]

I would tell you, but I just can't seem to make the time.
js

(Top posted to save time.)

"Doug L" <vssdoug@xxxxxxx> wrote in message
news:q2hNg.19620$RD.6834@xxxxxxxxxxxxx
>I didn't have time to read the post, whats the problem again?
>
> Doug
>
> --
>
> "smsdavis" <smdavis@xxxxxxxxxxxxxxx> wrote in message
> news:1157993105.256241.184640@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>> Ok.  I'm going to apologize.  Although I studied engineering many years
>> ago, I am NOT interested at all in studying alarm systems and how they
>> work and I am a woman.  SO, please bear with me but perhaps one of you
>> geniuses could help me with a problem we have.
>>
>> Each and every time we leave town we turn our A/C up to about 80 or
>> possibly higher.  Would have to ask hubby the exact temperature but he
>> doesn't wish to cool the house while we're gone.
>>
>> When we do this after we leave town and usually when we're out of cell
>> phone range our alarm system starts going off.  It is ALWAYS the
>> wireless motion sensor in our front hall area.
>>
>> Now, we have a maintenance contract with our provider and they have
>> sent several people out none of whom seem to know what they are doing
>> in this area and all of whom have their own theories.
>>
>> The first one said there was a known problem with that motion sensor
>> not working properly with our old motherboard.  So he replaced the
>> entire motherboard of the unit.
>>
>> We left town and again had to call and have the system ignored while we
>> were gone as the problem started happening again.
>>
>> Today someone came out and said he suspects it is the sunlight coming
>> thorugh the window causing the alarm to go off.  I said if that were
>> the case then it should be going off even when we're in town and gone
>> during the day.  He said, no the A/C would cool it down and keep it
>> from going off.  However, there would stil be a temperature difference
>> on the stairs regardless of what the AC is set at.
>>
>> I asked him if there was a specification from the manufacturer with
>> operating temperatures to which he replied "NO".  As an engineer I
>> really doubt anyone made an electronic device and did NOT specify
>> operating temperatures.
>>
>> So, I'm trying to figure out WHY this keeps occurring.  Is this unit
>> truly BAD?  Is it the sun?  Is there an operating temperature and
>> perhaps we need to set the A/C to not go past that limit?
>>
>> Please, feel free to email me anything that might be helpful to
>> smdavis@xxxxxxxxxxxxxxx as I really don't have time to check for
>> answers but I really need to have a reliable system.  Paying for
>> monitoring when we have to turn off half the sensors in the house is
>> ridiculous and I don't have much confidence in the techs they keep
>> sending to my house and from what little I've read it seems you guys
>> know much more about these sytems than do the techs they keep sending
>> out.
>>
>> Thank you so much for anything you can do to shed some light on this
>> problem.
>>
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