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Machine Noise

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2 years 4 months ago #14407 by Luis Lemos
Machine Noise was created by Luis Lemos
Having a problem with my coffee machine for quite a while, Almost every time the boiler fill it makes an unbearable noise that sounds like a jackhammer I thought it was the vibrating pump going bad, I was waiting to finish my kitchen remodel so I could plumb it direct to the water supply with the kit I already had purchased. Could not take the noise anymore and I went ahead and plumb it in, to my surprise the noise still there it wasn’t the water pump. It looks like it’s coming from solenoid that opens the water inlet or maybe the valve after that? Look like it might be a back-pressure valve not Shure.
Any Help would be appreciated.
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2 years 4 months ago - 2 years 4 months ago #14408 by Reiss Gunson
Replied by Reiss Gunson on topic Machine Noise
hi luis

any chance of a brief video clip that captures the sound?

i expect it is the solenoid (it almost the only thing remaining now you have plumbed it in!), but an audio file would let me know for certain

the 110V solenoid is here; londiniumespresso.com/store/espresso-mac...-with-brass-fittings

we now use a sirai instead of a parker, but it will swap in to your machine

kind regards

reiss.
Last edit: 2 years 4 months ago by Reiss Gunson.

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2 years 4 months ago #14410 by Luis Lemos
Replied by Luis Lemos on topic Machine Noise

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2 years 4 months ago - 2 years 4 months ago #14411 by Reiss Gunson
Replied by Reiss Gunson on topic Machine Noise
im not clever enough to be able to download that file luis.
Last edit: 2 years 4 months ago by Reiss Gunson.

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2 years 4 months ago #14412 by Luis Lemos
Replied by Luis Lemos on topic Machine Noise
Your web site won't let me upload a movie only pictures and text maybe you can send me your email address and I will send to you.
I will have to make a smaller movie so I can email

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2 years 4 months ago - 2 years 4 months ago #14413 by Reiss Gunson
Replied by Reiss Gunson on topic Machine Noise
it does

click the action button, then reply (not quick reply), then click on the 'film' icon (which is the one to the immediate left of the map icon) and then click 'Provider' and select the host service where the film is, eg Vimeo, Youtube, etc (many are listed) and the Vimeo/Youtube/etc film ID and click 'Add' and then 'Submit' your post

you do not need to populate the size width or height parameters for it to work

& you're done

its fairly simple
Last edit: 2 years 4 months ago by Reiss Gunson.

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2 years 4 months ago #14415 by Luis Lemos
Replied by Luis Lemos on topic Machine Noise
Link to movie

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2 years 4 months ago #14416 by Reiss Gunson
Replied by Reiss Gunson on topic Machine Noise
hmm. i was so sure i was going to hear electrical resonance, but im not sure that is

what is the pressure of the water feeding the machine? if it is 6 bar or higher it is likely to destroy the solenoid

kind regards
reiss.

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2 years 4 months ago #14417 by Luis Lemos
Replied by Luis Lemos on topic Machine Noise
I checked with a gauge it was 60PSI

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2 years 4 months ago #14418 by Reiss Gunson
Replied by Reiss Gunson on topic Machine Noise
it think it is resonance as there is no visible water shunt in the braided hose as the solenoid opens and closes

replace the solenoid, problem solved

kind regards

reiss.

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