I replaced an old outside light with new inc integral PIR sensor which seemed to work fine but now after a few months does not.
The switch inside has red in, red L1 out and black looped through from the cable/switch next to it. however the cable outside has 1 red and 2 black, no earth. The light obviously has a block with E N L and LS, the LS being only used I presume to connect the Pir to the bulb 'internally' as it were.
Problem is the light does not come on at all or (as a test) stays on permanently if i connect the red live to LS. Faulty sensor already maybe?
Sadly I can't trace the wiring easily as it seems to go via an inaccessible void in the porch roof space.
PS hope to be an active member as have a few houses to manage and maintain.
Edited by joiner, 29 September 2013 - 11:25 AM.