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About jscott

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    Brewing Nicely

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    Leeds, UK
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    Postdoctoral researcher

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  1. Not attractive but a very useful tool! A must on an HX in my opinion. I even had one installed on my dual boiler for a while to get to grips with how long the group takes to fully heat up (40 minutes, even though the manual says 15 minutes... No chance!) Once you get to grips with how your machine runs you could probably remove it, but I think the thermometer is more useful than a pressure guage for an HX, even with the flow control device.
  2. Yes you can do that but you have to be careful you don't lower the lever completely as that will empty the pre-infusion chamber in the group and possibly disrupt the coffee puck, ruining the extraction. You need to lower it to just the midway position where the pump has only just turned off (so the switch behind the E61 lever is no longer engaged). But with that method the flow rate is still the stock flow (~7.5ml/sec for my Profitec vibe pump E61). With the flow control you can reduce the flow to <1ml/sec where you can do a Slayer style pre-infusion of 20-30 seconds+ for example. I like having mine to play with and I have had some fantastic 60+ second shots using lighter roasted coffee, but most of the time for medium/dark roasted coffees I just use it set to the stock flow rate. It's another variable to control and can sometimes over complicate things a bit. I find the stock pre-infusion from the E61 group is perfectly fine for most beans I've tried.
  3. You should be able to set it so it turns off completely, if you unscrew the round black knob, you can lift the top part of the flow control device, turn it all the way to the right making sure it isn't completely touching the main body of the E61 mushroom before you tighten the knob again (it can help if you place a piece of paper in the gap while you do this)
  4. Very nice setup! I like the black and red steam/hot water knobs on the ECM!
  5. I think I posted in the wrong thread before, please can someone send me the code? Would like to give these guys a try. Many thanks!
  6. Yeah - I am also quite confused. Multiple different coffees. Dialled in as best as I could. Two back to back coffees (with any bean), can be 10-15 seconds difference between the two shots. I weigh into the grinder but must admit I haven't weighed the output, would be a good idea to test this if I reinstall the disk. Would be interesting to see the grind results with a kruve but I don't have one unfortunately. All the beans I have at the moment are medium/dark - given the problems I was having I thought it would be best to keep clear of lighter roasts at the moment. Caff - Rave Signature and decaf currently Hasbean's offering, but previously was using Rave's decafs as well. I am quite fine on the grind setting, but the grinder has always needed this since new; around 7-8 for the Signature beans and around 6 for the Decaf that I am using at the moment, but I have even been towards 0 with ligher roasts in the past. Interestingly my father just received his Niche this week and is using grind setting 18 for Rave Signature beans, same dose, also using a Profitec E61 machine. I know grind settings will be different grinder to grinder but 10 grind settings finer seems quite a lot? Both grinders are calibrated. I am probably going off track here but trying to consider everything! At least it seems OK without the disk....!
  7. All beans I have tried, both caffeinated and decaf (all fresh beans within a month from roast but rested for at least 7 days).
  8. I had the same thought about the flow control valve so I made sure to remove that as a variable. I set the valve to the stock flow rate (~7.5 ml/s) and reinstalled the original spring to get the stock pre-infusion; it was still inconsistent with the disc installed. I have been running it without the NFC disc since yesterday and it seems to have gone back to normal, only +/- 2 seconds between back to back shots and easy to dial in. I don't mind running it without the disc as that the way the grinder was when I bought it and I am very happy with it. It just concerns me a little that the issues I am seeing with the disk could be highlighting an underlying issue. James from Niche replied to my email this morning, they said they will discuss it tomorrow and if it comes to it I could send the grinder back to see what they think. Hopefully it is something simple!
  9. Good to know, thanks. I didn't think that would be causing the issue.
  10. So I reinstalled the disc a couple of weeks ago, cleaning the grinder completely when I did, and I have just had to remove it again today. I really cannot get any sort of consistency with the disc installed. I make two shots back to back with exactly the same grind setting.. this morning the first was 17g in/34g out in 25 seconds, the second was over 45+ seconds with no change in the grind setting at all. Changing the grind setting by less than half a mark can change the time by over 10 seconds, it just seems really sensitive and unpredictable. I go back and forth between two types of beans (caff and decaf) every day so its important that I can go back to the previous grind setting. This seems OK again now I have removed the disc... I wonder if installing the disc highlighted an underlying problem with the grinder? I noticed there are wear marks on the inside of the grinder where the outer burr appears to have been touching the inside chamber of the grinder, but I'm not sure if that could be related. I emailed Niche this morning to see what they think.
  11. I think that sounds quite normal to me? Just the sound of the water boiling when the element turns on. The service boiler in my Profitec does the same when initially heating and when the element kicks in (although maybe it's not quite as loud, but it's a smaller boiler and its insulated). Maybe someone more experienced can comment, but personally I don't think it is anything to worry about...
  12. I'd like to give them a try too, if someone could please send me the code. Many thanks!
  13. It looks like it goes back to the tank, whole latte love have a parts diagram on their wiki: https://wiki.wholelattelove.com/images/5/50/PRO_300_Parts_Diagram.pdf
  14. I had the disc installed for a few weeks in April but really wasn't getting along with it very well... Shot consistency went down the drain and I was getting channeling much more often, and taste was poor as a consequence. Been running it without it for the last few weeks and all is well. It could well be my technique as I heard it can be less forgiving with the disc installed. I might try it again at some point in the future but I am very happy with the workflow and taste of the coffee without it at the moment.
  15. I have a Niche and My father has the 270Wi and we have compared them side by side. Build quality of the Niche feels much much better, I am confident it will last much longer than his 270Wi. I couldn't say if one tasted better than the other in the cup but the Niche was definitely easier to dial in. The workflow is very different for each. My father is considering buying a Niche as well, but he wouldn't part with the 270Wi as he loves how easy it is to make a few shots in a row in the morning. In my opinion: 270Wi: Pros: ease of use, don't have to weigh out beans, accurate to 0.1g each time, fantastic fluffy grinds with no clumping Cons: build quality - doesn't feel like it is built to last. A hassle to switch between beans (for example to decaf in the evening), small burrs, more difficult to adjust grind setting. Noisy! Niche: Pros: Feels very solid, like it is built to last. Fantastic large 63mm Mazzer burrs. Can change beans between every shot and go directly back to the grind setting you want. Reasonably quiet. Cons: single dosing workflow adds time to making a few shots, grinds can clump (but this doesn't seem to be at a detriment to the shot)
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