11-06-2008, 18:53
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#1
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cf.mega poster
Join Date: Sep 2003
Location: Near Hungerford, West Berkshire
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Outside Light
Evening,
Our outside light has a sensor on it that detects movement and switches on. We have a switch inside the house which has two positions - on permanent and on - detection.
On the bottom of the light are two dials - one has a picture of a sun and moon and reset - the other is marked up as time.
During dusk and night time the light keeps switching on and off - as if movement is detected but there is none.
Some of the houses along our road have the same light and also some of them exhibit the same fault - any ideas what could be cause them to switch on?
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Lee
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11-06-2008, 18:55
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#2
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Join Date: Jul 2003
Location: Poole, Dorset
Age: 27
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Re: Outside Light
As they detect Infra-Red radiation (heat) it could be them detecting objects cooling down maybe?
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11-06-2008, 18:56
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#3
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6 months, bad to worse
Join Date: Jun 2003
Location: Teesside
Posts: 8,298
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Re: Outside Light
Sounds to me like your missing a dial for sensitivity or what you have is in fact a nightlight can you give themake and model ?
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11-06-2008, 19:19
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#4
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cf.mega poster
Join Date: Sep 2003
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Re: Outside Light
Quote:
Originally Posted by bopdude
Sounds to me like your missing a dial for sensitivity or what you have is in fact a nightlight can you give themake and model ?
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There's no make or model identifiable on it unfortunately.
Edit - The two dials are marked "Lite" and "Time".
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Lee
Please take a look at my photography site and leave me some feedback.
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11-06-2008, 19:20
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#5
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cf.mega poser
Join Date: Jun 2003
Posts: 14,716
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Re: Outside Light
Could it be due to fluctuations in the power supply?
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11-06-2008, 19:22
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#6
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cf.mega poster
Join Date: Sep 2003
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Re: Outside Light
Quote:
Originally Posted by danielf
Could it be due to fluctuations in the power supply?
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No idea!!!
It's a bit odd that some of the other are like it...we've ended up taking the bulbs outs, but you can still hear the detector "clicking"...
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Lee
Please take a look at my photography site and leave me some feedback.
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11-06-2008, 19:25
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#7
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What hast thou done?
Join Date: Apr 2006
Location: Manchester
Services: VM National Broadband
Posts: 8,050
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Re: Outside Light
Quote:
Originally Posted by LSainsbury
There's no make or model identifiable on it unfortunately.
Edit - The two dials are marked "Lite" and "Time".
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I would guess the 'Lite' dial determines when it decides it's dark enough to activate / light enough to deactivate & the 'Time' dial determines the length of time it stays on when it detects 'movement'. They can be quite sensitive & react to small mammals as well as humans. Any cats around, yours or neighbours?
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11-06-2008, 19:27
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#8
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cf.mega poster
Join Date: Jun 2005
Location: Peterborough
Posts: 4,961
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Re: Outside Light
put some masking tape or insulation tape over the sensor and see if it still comes on and off. If it doesnt then mask it up so it only picks up the areas where you want it to detect movement.
We have one and it kept coming on everytime to boiler lit. It was picking up the heat from the boiler exhaust that was along the same wall. I masked that side up and then found it was picking up a hnaging basket on the other side. Finally i masked the sides and its fine now. Containined in the box was a PIR sheild that i just cut to size
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11-06-2008, 20:03
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#9
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Owned by my cat Tigger
Join Date: Jul 2005
Location: Bolton
Age: 46
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Re: Outside Light
Some motion sensors have a wide field and are overly sensitive. My sister has a light like yours and is ready to swear it reacts to moths.
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11-06-2008, 20:14
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#10
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cf.mega poster
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Re: Outside Light
Quote:
Originally Posted by Cobbydaler
I would guess the 'Lite' dial determines when it decides it's dark enough to activate / light enough to deactivate & the 'Time' dial determines the length of time it stays on when it detects 'movement'. They can be quite sensitive & react to small mammals as well as humans. Any cats around, yours or neighbours?
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Thanks for confirming my thoughts on the dials...
---------- Post added at 20:13 ---------- Previous post was at 20:13 ----------
Quote:
Originally Posted by Anonymouse
Some motion sensors have a wide field and are overly sensitive. My sister has a light like yours and is ready to swear it reacts to moths.
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Might be right on that one...
---------- Post added at 20:14 ---------- Previous post was at 20:13 ----------
Quote:
Originally Posted by Wicked_and_Crazy
We have one and it kept coming on everytime to boiler lit. It was picking up the heat from the boiler exhaust that was along the same wall. I masked that side up and then found it was picking up a hnaging basket on the other side. Finally i masked the sides and its fine now. Containined in the box was a PIR sheild that i just cut to size
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Umm interesting - there is a vent outlet from the on-suite - could be that...
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Lee
Please take a look at my photography site and leave me some feedback.
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11-06-2008, 20:36
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#11
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cf.mega poster
Join Date: Jun 2005
Location: Peterborough
Posts: 4,961
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Re: Outside Light
Quote:
Originally Posted by LSainsbury
Umm interesting - there is a vent outlet from the on-suite - could be that...
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Check if it flashes on when the vent is exhausting, or just stick some tape on the PIR so that it cant see the vent as a test
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12-06-2008, 12:50
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#12
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Guest
Location: Sutton in Ashfield.
Services: Virgin, phone and 50meg Broadband.
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Re: Outside Light
Clean your sensor mate, I had the same problem I just cleaned the sensor and everything was ok.
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12-06-2008, 15:26
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#13
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cf.mega poster
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Re: Outside Light
Some of the new street lighting seems to affect sensors....
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12-06-2008, 16:43
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#14
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cf.mega poster
Join Date: Sep 2003
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Re: Outside Light
Quote:
Originally Posted by Taf
Some of the new street lighting seems to affect sensors....
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Ummm - got any references to that?
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Lee
Please take a look at my photography site and leave me some feedback.
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