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Old 05.10.2018, 08:49
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Coffee Machine Cleaning?

I have a nice DeLonghi coffee machine at home that's about 5 years old. I de-calc it regularly, and rinse the removable parts that are accessible when the front door is open. But I notice when I do the "rinse" function, or when it starts up and does it automatically, that the water is kind of dirty looking. Even after doing several rinse functions in a row.

I never had a "fancy" coffee machine like this before, and don't know the etiquette. Does it need to be more thoroughly cleaned every few years or so? Can I do it myself, or do I need to take it somewhere that specializes in it?

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Old 05.10.2018, 09:18
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Re: Coffee Machine Cleaning?

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I have a nice DeLonghi coffee machine at home that's about 5 years old. I de-calc it regularly, and rinse the removable parts that are accessible when the front door is open. But I notice when I do the "rinse" function, or when it starts up and does it automatically, that the water is kind of dirty looking. Even after doing several rinse functions in a row.

I never had a "fancy" coffee machine like this before, and don't know the etiquette. Does it need to be more thoroughly cleaned every few years or so? Can I do it myself, or do I need to take it somewhere that specializes in it?

Thanks
Hmmmm, how many types of machines does DeLonghi produce?

However, I read somewhere that those which have an automatic/separate rinsing program, the water doesn't go through all the same places it does when actually making coffee.
So every not and then one should put the limescale-remover (not a liter pure - the solution you usually use!) into the water tank and run it through as if you made a cup of coffee. Repeat that until the water tank is empty. Rinse it out well, fill it with clean water and repeat this procedure (to clean out the limescale-remover). I do the clean water procedure twice, actually).

Give it a try, might already solve your problem.
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Old 05.10.2018, 09:46
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Re: Coffee Machine Cleaning?

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I never had a "fancy" coffee machine like this before, and don't know the etiquette. Does it need to be more thoroughly cleaned every few years or so? Can I do it myself, or do I need to take it somewhere that specializes in it?
Yes, a teardown and clean every few years is generally needed. The mechanisms are fairly complex, and they sometimes use tamperproof screws.

You would not believe the grunge (including green fuzz) that collects even on the easy clean models.

The best thing to do is run a clean water cycle every now and then (weekly if possible, but that usually means emptying the bean hopper).

I also do like Curley, run a few regular cycles without beans, but with descaler, then a few rinse cycles.

If you can still taste the descaler after a few rinses then that is an indication that the internals have some coffee plaque buildup - Descaler doesn't dissolve the oily coffee deposits. I scrub the parts with soap and alcohol when stripped. I wouldn't add alcohol (or soap) and run the machine as the normal cycle passes the water through the boiler which stays clean as it's upstream from the beans.

EDIT: Typical buildup here: http://michal.rawlik.pl/2017/05/07/u...offee-machine/
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Last edited by JagWaugh; 05.10.2018 at 11:25.
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Old 05.10.2018, 11:06
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Re: Coffee Machine Cleaning?

The machines I use, including a deLonghi Magnifica and a Satrap-branded version with exactly the same internals, don't have any parts exposed to coffee that are not cleanable just following the normal user care routine. The brewing part is easily removed with the machine switched off, and should be cleaned under running water as often as you can, while the descale cycle works through all the heated water components.

So there's nothing that could be achieved by a 'stripdown', nor does normal cleaning involve emptying the beans. Only one bit that might be missed would be the little rubber tube that actually dispense the coffee, but that's never got gunked up in my experience.

Of course, we don't know what model the OP has, but ours use the most common internals, so there's a fair chance theirs is similar.
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Old 10.10.2018, 15:43
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Re: Coffee Machine Cleaning?

Putting white vinegar into the water when you do a few cycles also helps....
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Old 10.10.2018, 22:46
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Re: Coffee Machine Cleaning?

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Putting white vinegar into the water when you do a few cycles also helps....
You mean when you make coffee?
As it is supposed to be tasteless yet in spite of it's cleaning effect (as any vinegar has anyway) not poisonous?

I'm not sure I like this idea although logically nothing speaks against that.
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Old 10.10.2018, 22:53
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Re: Coffee Machine Cleaning?

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You mean when you make coffee?
As it is supposed to be tasteless yet in spite of it's cleaning effect (as any vinegar has anyway) not poisonous?

I'm not sure I like this idea although logically nothing speaks against that.
100% don't drink the white vinegar cycle product. It will be very unpleasant...
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Old 10.10.2018, 23:09
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Re: Coffee Machine Cleaning?

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100% don't drink the white vinegar cycle product. It will be very unpleasant...
Thought so
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Old 11.10.2018, 08:29
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Re: Coffee Machine Cleaning?

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You mean when you make coffee?
As it is supposed to be tasteless yet in spite of it's cleaning effect (as any vinegar has anyway) not poisonous?

I'm not sure I like this idea although logically nothing speaks against that.

Sorry - wasn't very clear. We use white vinegar & water instead of the decalc chemicals you can buy in the shops on our Nespresso. We also use it to clean the Kettle and sometimes on the car windscreen in summer too. We also have a soft water filter in our cellar which leaves us with less calc than some of our neighbours. Once complete we then do one or two cycles of hot water flushing through the Nespresso to remove any lingering vinegar taste and then it's good to go.
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Old 11.10.2018, 09:30
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Re: Coffee Machine Cleaning?

I had a similar issue with my very old Saeco Vienna coffee machine. They usually recommend to run an automated descaling program every 1-2 month depending on usage. Initially, I used to buy a dedicated lime scale remover only for coffe machines but soon realized that it’s just a waste of money IMO as you might just as well use the regular lime scale remover product that does exact same job.

You really need to repeat the cleaning action up to several times as there is always some deposit left that simple rinsing cannot easily remove it. What made a difference in my case was that a year or two ago the main switch was broken and while replacing it, I took the machine apart to small bits and pieces and I went painstakingly thru each and every pipe to clean it. There was in some parts a lime scale that clogged the pipes and it could only be removed by scraping. Then the machine ran smoothly a clean water for at least the next few months. Depending on how good you are with DIY jobs and if you fancy taking apart home appliances, otherwise if still on warranty take it somewhere up for service.

Provided that regular maintenance i.e. emptying a dredgedrawer, cleaning trays and descaling regularly are done, the machine should be able to serve you a coffe for the years to come.
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Old 11.10.2018, 10:13
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Re: Coffee Machine Cleaning?

I live in ZG and the water here is very hard.

I also got a Delonghi machine and I've setup the water hardness to max, yet the machine only demands me to decalc every 3 months or so... (I don't drink that much coffee anyway).

I use a regular water filter and inside the machine there's another filter which I only change twice a year.

I've never had problems with it and the water comes out clean. I believe using the regular water filter to pour in more water makes a huge difference
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Old 11.10.2018, 10:27
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Re: Coffee Machine Cleaning?

What may also extend the life of one’s machine is to prefilter the water put in the water tank. I use Britta filters for that purpose. As the water is hard in our region anyway, it is more like a placebo effect that makes one believe that Perrier is being poured out to one’s coffee machine.
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