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Hi, I have an odd problem with a motion sensor switch in a bathroom.
The sensor detects motion and switches the light on, but then doesn't switch the light off.
However, when I switch the fuse off and then on again at the fusebox, it resets the motion sensor, which works fine, but only once - after which, it goes back to turning the light on but not off.
I've tried replacing the motion sensor (it's a Timeguard PIR, with five terminals, including a switched live).
Any ideas please? I can't work out why this would happen?
Thanks!
 
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