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  • The click is likely the 3-way solenoid operating. Sometimes this is masked by the pump.

    Have you had any pressure issues or problems with scaling?

  • I've descaled fairly regularly, and managed to get one done as this issue started arrising which didnt seem to help. That's not to say scale definitely isn't a problem...
    Think the issue may be exasperated by heat. It works fine first thing and then I turn the unit off, if I turn it on again whilst its still warm from last time, it is most likely to fail me. Does that help any kind of diagnosis?

  • If it were me, I'd remove the grouphead plate (the block with the two allen bolts) just to make sure that there isn't any blockage. It only takes a small amount of scale to cause this.

    If you enter a fault situation, you can determine if the pump is working correctly by checking if water is returning to the tank via the over-pressure-valve. When there is no pathway through the grouphead, the water is diverted back to the tank and you should hopefully be able to see water passing through one of the hoses that sits in the tank if there are some bubbles. Alternatively, remove the return hose such that the water visibly drips back into the tank (the hose barb is directly above the tank, so technically you don't really need this hose as the water should just fall in).

    I used to use a Classic, and would recommend running it on filtered water or bottled water.

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