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Help with my Isomac Mondiale

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  • Help with my Isomac Mondiale

    Hi Team,

    I'm wondering if anyone might know what is going on with my machine.

    Over the last couple of weeks when ever I have turned it on from cold the pump takes a long time to refill the boiler.

    More recently I' have noticed that when drawing a shot it only gets up to about 6 bar and the shot take longer than usual.

    Is it the pump? Everything appears to be engaging and switching correctly.

  • #2
    Possibly a sticky opv? Depending on the water flow path, too much water is being sent back to the reservoir when filling, and to low pressure when pouring.

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    • #3
      Thank you timmy. But what is opv?

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      • #4
        Over pressure valve

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        • #5
          Thank you team.

          Turns out it was a clogged water intake filter. I tried a descale to see if would fix the "OPV" but while doing so I noticed the pump change note when I jiggled the intake hose. I removed the filter and everything returned to normal. Unfortunately whilst displacing the descaling solution and still having a blocked water intake I think I might have blown the thermal fuse... now all the lights come on and the pump functions freely but the boiler doesn't heat up.. I hope it's not the heat element.

          back to the drawing board.

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          • #6
            Got the multimeter out yesterday, thermal fuse is fine... unfortunately the heat element showed an open circuit... ordered a new element and intake filter... the project continues

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