bathroom extractor fan wiring question


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Hi.

My old timer bathroom extractor fan died, I could see a burn mark on the circuit board. I bought a new one and wired it up brown- live, blue - neutral and black - switch live. But it doesn't work when I put the mains electricity/ bathroom light back on. i've tested the brown wire with a voltage testing screwdriver and it lights up. Any ideas?

Is there a fuse somewhere I don't know about?

It would be gratefully appreciated.

Mark

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Hi.

My old timer bathroom extractor fan died, I could see a burn mark on the circuit board. I bought a new one and wired it up brown- live, blue - neutral and black - switch live. But it doesn't work when I put the mains electricity/ bathroom light back on. i've tested the brown wire with a voltage testing screwdriver and it lights up. Any ideas?

Is there a fuse somewhere I don't know about?

It would be gratefully appreciated.

Mark

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post-579-0-00176200-1322782184_thumb.jpg

and here's a pic

right, thanks all for previous comments. I checked the wires with a multimeter and i have the fan wired up as follows:

Blue - Neutral

Black - Switch Live

Brown - Permananet live

the fan now works but only on it's timer circuit when i turn the bathroom light off. It's supposed to turn on when i turn the bathroom light on.

I've tried switching the black and brown wires but it gives the same result.

Any ideas?

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