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ECM Mechanika V Slim Running Hot

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  • #16
    Does the coffee taste burnt or overly bitter when it reads 100c? if not I'd say what the thermometer indicates might be inaccurate.

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    • #17
      Originally posted by Dimal View Post
      As "saeco-user" mentioned above, when the thermometer is reporting a group temperature of ~100C, does the water from the group immediately "flash" to steam? If it does not do this, then I would ignore what the thermometer indicates and request a replacement from the supplier.

      Mal.





      It's very steady at present and the machine's been on 3 hours: 1140hrs 95.7C
      1205 95.4
      1217 95.3
      1230 94.9 made tea from water wand
      1320 95.8
      1325 Flushed a 100ml out, started rising to 99.7 within a minute, then 105 after a couple of minutes, 107 after 5 mins, 10 mins and showing 113.1.
      1340 Flushed another 100ml out temp immediately dropped from 113.2
      to 101.5 with lots of steam and hissing before flowing.
      1350 98.8
      1400 97.6
      1405 96.8
      1415 97.2
      1425 97.8 short flush, no steam, pulled shot, it was slightly bitter, but drinkable. Probably should have waited a bit longer. This was with the 1 cup basket and I've been getting excellent shots from the 2 cup basket, just
      good shots from the 1 cup. The temp shown is supposedly 3 degrees above what enter the puck, so the temp should be somewhere around the 93 to 94 brewing temp
      1440 97.3
      1445 97.1








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      • saeco_user
        saeco_user commented
        Editing a comment
        I won't guess at what might be wrong, but that doesn't sound like normal behaviour to me.

      • Ronin
        Ronin commented
        Editing a comment
        Looks normal to me

      • saeco_user
        saeco_user commented
        Editing a comment
        I should have prefaced my message with the statement that I don't have an ECM or even HX machine, so others are more qualified to comment.

    • #18
      Honestly if you want true thermal stability get a saturated group machine

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      • #19
        @Erimus
        Rightio then...

        It looks like the temperature being reported by the dial thermometer is correct.
        That being the case, there is either an issue with the PressureStat or the line feeding the p/stat is being temporarily blocked by scale or some other detritus of unknown origin.

        If the machine is brand new, I would suggest getting it back to the Vendor from whom you bought it and direct them to read this thread as a primer for troubleshooting and rectifying the problem, whatever it turns out to be...

        All the best,
        Mal.

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        • #20
          Thanks to all. I'll contact the dealer and let you know what happens. It seems stable now so maybe there was a slight blockage that has cleared itself.

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          • #21
            Went to the dealer today and they loaned me their scace to check the temps myself.

            Sensor start temp 96.5



            sensor Scase
            98.4 90.3
            98.4 94.1
            97.6 96.2
            96.0 95.5
            93.6 93.5
            91.1 91.3

            The scase was well warmed up and drew 350ml of water and started the reading after about 5 seconds. The sensor looks quite accurate Noting wrong with the machine or sensor. the dealer thinks the same as Dimal, possible a blockage that's cleared itself. Basically it's working normally, keep your eye on it and bring it back if it presents any problems. Plus points to Ronin for accurately assessing the machine's behavior was normal. So, panic over. many thanks to all involved


            The first row is the sensor, second row scase, it won't let me leave a gap.
            Last edited by Erimus; 5 October 2021, 07:22 PM.

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            • #22
              Great problem solved

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