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Outdoor motion detector light only works when in rains!

Posted by dedtired (My Page) on
Sun, May 15, 11 at 22:39

Why does my outdoor motion light only work when it rains? It's the strangest thing. It doesn't work any other time, only when it's raining. Any ideas what could be causing this and how I can get it to work all the time?


Follow-Up Postings:

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RE: Outdoor motion detector light only works when in rains!

Have you tried to adjust the light sensitivity setting on fixture?


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RE: Outdoor motion detector light only works when in rains!

Yes, I have. No difference.


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RE: Outdoor motion detector light only works when in rains!

If the sensitivity adjustment makes no change then you have a defective unit. Get it exchanged.


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RE: Outdoor motion detector light only works when in rains!

It's not new. It worked for years, but now only when it rains. Isn't that strange?


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RE: Outdoor motion detector light only works when in rains!

eMail the manufacturer of the fixture and see if they can offer advice... but it is most likely that motion sensing component has become defective.


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RE: Outdoor motion detector light only works when in rains!

"It's not new. It worked for years, but now only when it rains. Isn't that strange?"

Consumer electronics and moisture have never been a good combination.

Commercial manufacturers rarely use the needed coatings (called 'conformal coating' on the electronics) for long term reliability in damp/wet environments.


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RE: Outdoor motion detector light only works when in rains!

Does rain (water) conduct electricity? Maybe it's completing the circuit somehow. It fascinates me how it works in the rain only.


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