Bathroom extractor fan buzzes but blades don't turn

fizzyfizz232 · 12 Feb 2019

Bathroom extractor fan buzzes but blades don't turn.

Does anyone know if this is more than likely a problem to do with the motor?

Diyisfun · 12 Feb 2019

Its the motor that is buzzing.
Can you spin the fan blade?
It could be a jammed blade, or the motor spinning but not attached to the blade.

fizzyfizz232 · 12 Feb 2019

I've done a quick video to illustrate the problem. Whilst I was doing it, the fan started working... but very noisily!

Any ideas?

JohnD · 12 Feb 2019

how old is it? What make? post a pic

quite likely clogged with dirt.

fizzyfizz232 · 12 Feb 2019

It's a Manrose fan. No idea how old though as I've just moved into the property.

JohnD · 12 Feb 2019

it can be cleand, but best bet is to get a new, better one, with ball-bearing motor for low noise and more power.

I can't see the vid. How many wires can you see connected to it, and what colours are they? (it might have a timer)

fizzyfizz232 · 12 Feb 2019

JohnD.. Can you see this photo?

JohnD · 12 Feb 2019

yes, yours is a timer fan. Not a prob, it cost a bit extra but will run-on after you turn out the bathroom light.

I have a link, but the same model is available cheaper from other suppliers under another name. I'm sure someone will have the cheaper link. It's a good one.
https://www.tlc-direct.co.uk/Products/SLS100CRZ.html

Look at the air throughput, electricity usage and db (noise) figures for this superior one, and compare it to the manrose (budget model)
(though your model may have been replaced now. The model number may be on a sticker on the inside of the cover.)

fizzyfizz232 · 12 Feb 2019

Thanks. So I need a completely new system? It’s not something I’d want to install myself tho.

JohnD · 12 Feb 2019

Hardly a "system"

the fan is a replaceable device, it fixes to the wall with 2-4 screws and has a spigot that fits to the existing duct. The existing wires are connected to the terminals in the new fan.

An electrician can easily fit a new one for you. as it's in a bathroom you'd best use a qualified one who's a member of a Competent Person Scheme such as http://www.niceic.com/ (there are several)

foxhole · 12 Feb 2019

This is similar model https://www.screwfix.com/p/manrose-...VKL7tCh2NCQ1IEAQYAiABEgIaL_D_BwE&gclsrc=aw.ds
But keep receipt as I have found them to be unreliable, most I fitted lasted less than 6 months , some as little as 2 weeks.

foxhole · 12 Feb 2019

fizzyfizz232 said:
It's a Manrose fan. No idea how old though as I've just moved into the property.

Worn out , blades are hitting the sides.

JohnD · 12 Feb 2019

I wouldn't have another manrose.

Greatly favoured by builders because they're cheap.

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Bathroom extractor fan buzzes but blades don't turn

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