Bad neutral on extraction fan?

[Ben Sanderson]

Hi all I've recently moved house and the extractor fan was not working, I've replaced the fan with a 240v extractor fan and wired up to my spotlights that are also 240v but for some reason the fan doesn't work. I've ran a new cable, tried 2 different extractor fans and definitely have 240v on the supply to the fan but it won't work and the lights do. Anything else I can try? Thanks

 

[westward10]

You ideally need a non timer fan but as in #14 this is a method to make it function, not a manufacturers prescribed method but nonetheless. As in #15 these works are notifiable to building control.

 

[Ben Sanderson]

Hi all thanks for the replies and I tried a manrose extractor fan and it worked first time, guess it was 3rd time lucky.

 

[Ben Sanderson]

Hi all thanks for the replies and I tried a manrose extractor fan and it worked first time, guess it was 3rd time lucky.

Found the connection instructions online and they are incredibly clear.
Xpelair VX100 User Manual (Page 3 of 12) - https://www.manualslib.com/manual/1462959/Xpelair-Vx100.html?page=3#manual

If you are struggling with this I would recommend getting a competent electrician in. It could avoid damage to the new fan or worse, to yourself. If this work is in the zones of a bathroom it should be notified to building control anyway.

Hi Andy I've just gone and bought a fan without a timer, worked first time. Thanks

 

[ipf]

What happened to the initial fan supply?
New supply picked up from spotlights?
Stick a pin in it...…..3rd time lucky.....Well Done.

By the way....what's a bad neutral got to do with it?

 

[Ben Sanderson]

What happened to the initial fan supply?
New supply picked up from spotlights?
Stick a pin in it...…..3rd time lucky.....Well Done.

Thanks and the original supply was also from the spotlights but originally went through a transformer.

 

[Andy78]

Hi all thanks for the replies and I tried a manrose extractor fan and it worked first time, guess it was 3rd time lucky.

Hi Andy I've just gone and bought a fan without a timer, worked first time. Thanks

Glad to know you got sorted safely. Sometimes it can save you time and money by getting a professional in, even for the small jobs. Maybe a thought for the next job ?

 

[suffolkspark]

Thanks and the original supply was also from the spotlights but originally went through a transformer.

If the old fan was a SELV model are you sure it was safe to replace with a 230v version with regards to rcd protection being present and zones etc?

 

[Ben Sanderson]

Hi, the fan is 2.5 metres away from the bathtub and shower but thanks for the reply.

 

[Andy78]

Hi, the fan is 2.5 metres away from the bathtub and shower but thanks for the reply.

If it is mains voltage it still requires RCD protection for the bathroom location.

 

[Ben Sanderson]

Just went to double check and it's definitely RCD protected

 

[MJPD29]

Probably a timer fan you'll need permanent and switched live

 

[Baddegg]

Do the manufacturers instructions say it has to be fused down to 3a......

 

[Ben Sanderson]

Yeah Im Using a 3amp fused spur switch