pandabear
Hey,
I actually cleaned the temperature probes. There was some scale on the probes. Very light scale I may add. But I cleaned them with a wire brush and ran a descale of the machine. Never had any problems since.

    Thanks for the reply! Top and bottom probes? That’s what I’m considering doing with regards to a descale after. I could just about see into the machine after taking the top probe off and there was light scale, nothing worth doing ordinarily perhaps but just for good measure.

      pandabear
      Yeah I done top and bottom just to be sure. The scale was minimal but it did seem to help along with the descaling cycle. It’s not missed a beat since then. Hopefully it sorts yours 😊

        Thinking about it and I have a MaraX with a special display and software so I can see the temps fluctuating in real time, the changes in the brew circuit (HX monitoring) happen rapidly and I guess it must be possible for even light scale to affect response times and thus higher temp variances.

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