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DeLonghi ECAM23.460 - does not finish descaling

JarekKor 44214 13
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Why does my DeLonghi ECAM23.460 keep repeating the descaling prompt and never finish the descaling cycle?

The descaling cycle usually repeats because the machine is not detecting the water tank/end-of-water signal, most often due to a faulty tank float magnet, a bad tank sensor, or a loose water-level sensor plug [#15485788] [#17793492] [#15678899] Replacing the tank fixed the problem for some users; one found the magnet in the float had demagnetized over time, and another found a loose water-level sensor connector after opening the machine [#17793492] [#15678899] A simple check is to hold a magnet near the water volume sensor; if the machine then completes descaling, the tank/float magnet or sensor is the issue [#19382471]
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  • #1 15456579
    JarekKor
    Level 10  
    Posts: 11
    Rate: 27
    Hello, my problem with the coffee machine is as follows: when I switch it on, the display shows ‘Perform descaling’; I proceed with the descaling process as per the instructions (using the original DeLonghi descaling solution) and that’s when the problem starts – the liquid in the tank runs out, the pump runs for a moment and then switches off, the display shows a message saying ‘pour in descaler and press OK’, and the cycle repeats. I’ve descaled it a few times and it’s still the same. Otherwise, the machine works perfectly fine. Has anyone had a similar problem or knows how to fix it? I haven’t reset it because I don’t know how to do it, and I’m afraid it might not help. Thanks in advance for your help, and best regards.
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    #2 15485788
    calleb
    Level 12  
    Posts: 20
    Help: 3
    Rate: 46
    faulty float - tank or sensor - cannot see the end of the water
  • #3 15489057
    JarekKor
    Level 10  
    Posts: 11
    Rate: 27
    Hello, the coffee machine after a little tapping with my hand started to finish from the stonework and it is ok, it is possible that something is suspended or it is possible that there is cold solder, (I have not disassembled !)
  • #4 15672693
    JarekKor
    Level 10  
    Posts: 11
    Rate: 27
    Hello again the problem has recurred , again no response to the stoner (from delonghi stoner ) , will have to look into it , maybe you have some ideas ?

    Added after 20 [minutes]:

    I thought about the Hall end of water sensor, I think it should be there ?
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  • #5 15678899
    JarekKor
    Level 10  
    Posts: 11
    Rate: 27
    Hello after dismantling it turned out to be a loose water level sensor plug. It is OK.
  • #6 17765908
    Rawq
    Level 11  
    Posts: 41
    Help: 1
    Rate: 27
    Hello , I have the same problem as in the topic, I am thinking of replacing the tank, but what can be damaged in such a float?
    I'm not getting around to taking it apart to check the sensor for now because I don't know where to start, is it difficult?
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  • #7 17792965
    radeks1968
    Level 13  
    Posts: 735
    Rate: 419
    I have a similar problem it keeps decalcifying and there is no comec tens of litres of water and no end.
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    #8 17793492
    Rawq
    Level 11  
    Posts: 41
    Help: 1
    Rate: 27
    I replaced the tank, and everything is back to normal. The magnet that is in the float has become demagnetised over the years of use and the sensor does not react as it should
  • #9 17809995
    radeks1968
    Level 13  
    Posts: 735
    Rate: 419
    I have a problem with decalcification after 2 days, I think the processor sends information on how many coffees to decalcify.
  • #10 19382471
    bolek191968
    Level 11  
    Posts: 7
    Rate: 22
    Hello I received a coffee machine that was not completing the descaling procedure.
    I replaced the water tank and the problem was solved.
    The interesting thing is that during coffee making the machine detected a lack of water but during descaling it hung up.
    After removing the housing, you can attach a magnet to the water volume sensor and it will also complete the descaling process.
    Regards
  • #11 20074872
    radeks1968
    Level 13  
    Posts: 735
    Rate: 419
    Hi. It is like this at my place. The machine shows the descaling icon. I follow the video and so, with the machine switched off, I press the coffee icon and the steam and rinse icon lights up. Then I take out the water container and pour in level B. Now I take the tray out and while I am doing this, all the lights go out and the grounds indicator lights up.When I take the tray out, the grounds indicator lights up and nothing else lights up. I know that if I decalcify the machine, the indicator light will not go out and a red triangle will come on.
  • #12 20075122
    bolek191968
    Level 11  
    Posts: 7
    Rate: 22
    Good morning
    Please try the following
    With the coffee machine switched on, press P and search for decalcification and try it this way
    Best regards
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  • #13 20075511
    radeks1968
    Level 13  
    Posts: 735
    Rate: 419
    One time it passed and the triangle disappeared.I don't know what did it but it works.
  • #14 20282755
    JarekKor
    Level 10  
    Posts: 11
    Rate: 27
    Rawq wrote:
    Hello, I have the same problem as in the topic, I'm thinking of replacing the tank, but what could be damaged in such a float? I'm not getting around to taking it apart to check the sensor for now because I don't know where to start, is it difficult?
    . If someone likes to tinker it's not difficult.
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Topic summary

✨ The DeLonghi ECAM23.460 coffee machine is experiencing issues completing the descaling process. Users report that after initiating descaling with the original DeLonghi descaler, the machine fails to finish, displaying messages to add descaler and press OK. Common causes identified include a faulty water level sensor or float, which may not detect the water level correctly. Solutions suggested include tapping the machine to dislodge any obstructions, checking and securing the water level sensor plug, or replacing the water tank if the float magnet has demagnetized. Some users have successfully resolved the issue by replacing the tank or manipulating the water volume sensor. Additional troubleshooting steps involve following specific button sequences to reset the descaling process.
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