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Profitec Pro 700 front external drain port

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  • #16
    Spoon do you have photo of what it looks like?

    Also was any rust on the inside of the frame behind the perherrated water and steam symbols?

    Cheers

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    • #17
      The reason you are mostly seeing these drips during heat up sis because the 700 has a tube that runs off the vacuum release valve and feeds out into the drip tray. Most machines dont have a tube running off the vacuum release valve, the moisture just boils off the valve but does stay in the internal compartment of the machine exposing those parts to moisture. Hence the move to the tube.

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      • #18
        Yes the tube is an improvement over spraying it all over the interior of the case, however the issue is that it is then sprayed over the front instead. The flow really needs to be guided into the drip tray, rather than allowing gravity to do the work. It may be fine for most drips, but not vapour :P

        The other part that gets me is why more machines don't have a longer discharge nozzel like the vesuvious, where an overly pressurised discharge will still be pushed into the drip tray and not able to gush out across the surface of the tray.

        Then theres the drip tray grid, which is flat meaning water can pool and eventually stain it, vs rods like the lelit bianca..

        I know nothing is purfect but there's definitly improvements in the designs to be had. The drip tray grid was definitely chosen fot asthetics over pure functionality.
        i guess thats ok though.. i didnt choose the lelit because i liked the profitec design better, and asthetics did play a part there

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        • #19
          If it’s just causing an issue further down the line, I’d question whether it’s an improvement at all. I’ve watched the vacuum relief valve do it’s thing in my P500, a bit of water appears around the valve and boils off into steam. It’s not getting spurted all over internals, if anything, it’s escaping through the vent holes right above the valve as a gas. It’s a negligent amount of moisture I’d have thought. I’d be tempted to take the tube off the valve.

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          • #20
            Im not sure how much of a gap your machine has beneath the lip and the drip tray, but as soon as the machine has heated up, if u take a torch (depending on how much natural light you have) you will see some beads of water on the black chassis under the lip because the whole region gets condensation, not just the stainless steel areas.

            Depnding on ambient conditions in your room, this can then evaporate in minutes, or still be lingering a while later, and can also run down the chassis a bit before evaporating.

            This over time, coupled with any spurts coming from the discharge nozzel of the e61 can cause repeated wetting of the surface, which is what eventually rusts it.

            If u use the steam boiler a lot for hot water you may also get repeated heatup cycles which could also re-condense moisture.

            All of this is fairly insignificant until you repeat it every day or multiple times a day for a couple of years then it can lead to wearing of the paint.

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            • #21
              Hi Cats,

              Some pictures for you. This one I took last week.

              Click image for larger version  Name:	Coffee machine rust May 20.jpg Views:	0 Size:	217.8 ** ID:	829619

              You can see the rust clearly to the left of the switch, and there's also a little bit forming on the right side as well. I didn't take a pic underneath (it's damn heavy!) but could feel that the rust extends back about 3-4mm.

              I also had a pic of this same area from October 2019 - we had taken the machine in for service and this was an easy way to make sure we had the setup right when we re-installed it! At the time we didn't notice an issue (and unfortunately neither did the servicer - I guess they were concerned mostly with the working of the machine). However when I looked back I realised that there was tell-tale staining happening along the join to the left of the switch.

              Click image for larger version  Name:	Coffee machine rust Oct 19.jpg Views:	0 Size:	346.3 ** ID:	829620

              Hope this is useful.

              Another thing I've noticed that I think is contributing is that the hole in the drain port on our machine is not aligned vertically - it deviates a little to the right. The reason I think this is contributing to the issue is that often the water that drips doesn't end up going through the grill in the drip tray, but rather pools to the right of the hole. Now, when the machine is not actively being used (but is either on waiting for use, or is warming up/cooling down) we have taken to moving the grill so it is half in and half out of the drip tray, and this seems to be a good solution as the water can go straight into the drip tray without trickling over the back.

              I can't answer your question about if the rust is behind the stickers as I didn't take it apart myself. However we did have it investigated by the servicer and they didn't mention anything about this. Based on what we can see and feel, it seems like the rust is affecting the bottom panel and not the vertical one with the stickers on. It's not so clear in the pictures but the paint had bubbled (and then lifted away to expose the rust); there doesn't appear to be any bubbling on the panel with the stickers.

              Cheers,
              Spoon

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              • #22
                Hi Spoon, thanks for the pics.

                Your machine is V1, which makes it even more interesting because from pictures i have seen most v1 machines have a smaller gap between the lip than the v2 machines which means yours should be more protected from this.

                V2 has perferations where your stickers are - if water ran down the front it would go inside the machine on mine.

                Is your water filtered? It looks hard from the water marks being left behind, but i might be wrong

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                • #23
                  Hi Cats,

                  Our water is filtered - but I can see your point, those marks do look suspicious! We have a kettle which we also fill with water from the filter (it has a bench tap as well) and it has very little scale build-up.

                  Interesting that they've changed the design of that panel between V1 and V2. Maybe they thought additional ventilation might help to dry out any drips that make their way down there?

                  Cheers,
                  Spoon

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