Re: Different false alarms

["Andrew Kilgore" <akilgore@xxxxxxx>]

Hi,

I don't know too much about PIRs but I do know from bowsing catalogues with
a view to buying that you can buy ones with temperature compensation. So I
would geuss that a change in temperature may affect some PIRs.

That's all I know!

Thanks,
Andy.

----- Original Message -----
From: "Paul" <groups@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Thursday, July 10, 2003 1:24 PM
Subject: RE: [ukha_d] Different false alarms


> The only environmental factors are the bugs and warmer weather. Do PIR
related false alarms happen more in warm weather??? Other sensors have not
caused a problem (smoke and door sensors). Not sure about the double knock
bit though.
>
> Paul.
>
>
>
> -----Original Message-----
> From: Kevin Hawkins [mailto:lists@xxxxxxx]
> Sent: 10 July 2003 13:20
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Different false alarms
>
>
>
> Hmmm ,
>
>       It's quite concerning that these are all on separate zones - and
> have only just started - makes me think something 'global' has changed
-
> possibly your little bugs - have a peek in a sensor,  but again this
would
> normally manifest itself on one zone first. Try dropping the
sensitivities
a
> little - if this changes things then it points in a certain direction.
Does
> the weather have any effect on this ??
>       It is possible that the panel could be causing issues - are the
> faults consistently on PIR's or has any other type of zone tripped
ever -
> assuming you have other types - are the offending zones in any way
related
(
> if you have any expansion units on the alarm for example).  I am not
> familiar enough with Comfort to know if there is a 'double knock'
facility
> available on each zone - I suspect there is and I think this is what
you
> want to try setting rather than the perimiter zone approach - although
> perhaps this is how Comfort does it.
>
>       K
>
>
>    > -----Original Message-----
>    > From: Paul [mailto:groups@xxxxxxx]
>    > Sent: 10 July 2003 10:11
>    > To: ukha_d@xxxxxxx
>    > Subject: RE: [ukha_d] Different false alarms
>    >
>    > Thanks Frank.
>    >
>    > They have all been different sensors. I guess the most likely
reason
so
>    > far is the sensitivity settings - I'll change them all today
and
ditch
>    > the automated lighting functions (which never were responsive
enough
>    > anyway
>
>
>
>
>
>
>
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