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Help please, something wrong with vbm junior

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  • Help please, something wrong with vbm junior

    Just went to pull a shot from junior and as soon as the needle went near 9 bar the usual sound from pump stopped. It pumps water to group head without a handle inserted and pumps up to about 9 bar then seems to cut out. I do regular back flushes etc and steam and everything else works fine.
    Cheers
    Phill

  • #2
    Update, left it off for 20min and turned it back on. Seems ok now but still a bit concerned on what caused the problem in the first place

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    • #3
      Was it low on water? just a guess.
      Intermittent problems are frustrating.

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      • #4
        Water was fine, only difference other than normal was really hot day and water in tank was pretty warm from heat of machine being on but I wouldn't think that would cause it. Hopefully it's just a one off.

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        • #5
          Started happening again yesterday. Still pulls a shot fine. Pump just goes pretty silent and gage drops to about 6 bar but when u stop shot if raises back to 9-10 bar as if that was what it really was. Still getting 30ml in 30 seconds. The only thing I have noticed is a very slight increase in boiler pressure (have not adjusted anything). Considering backing it off slightly.

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