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Rancilio Silvia and meCoffee PID

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  • #16
    Originally posted by Dimal View Post
    The "Dragon" I was referring to is the 240V AC open connections that exist everywhere under the bonnet of most espresso machines. I don't care about the controller, more about people who may try this Mod' without the necessary qualifications, licenses or experience....
    Mal.
    Ahhh righto. Very good point!

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    • #17
      hows yours going @millsii? mine has started to play up today, wont read it from the app was going in and out when brewing this morning. had it off most of the day and gone to turn it on again now for a coffee and its not using the mecoffee at all. normal brew light (not flicking on and off like it was) and nothing showing up in mebarrista. thinking might have to take it apart again and check connections not a great morning for me my grinder starting playing up also!

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      • #18
        Ahh buggar! Mine is still working fine. Might be worthwhile rechecking the connections again as you mentioned. Looking at your first install picture, are the connections pushed all the way onto the meCoffee. For me they were rather tight, but gave a final "click" feeling when they pushed the whole way on.

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        • #19
          Originally posted by millsii View Post
          Ahh buggar! Mine is still working fine. Might be worthwhile rechecking the connections again as you mentioned. Looking at your first install picture, are the connections pushed all the way onto the meCoffee. For me they were rather tight, but gave a final "click" feeling when they pushed the whole way on.
          yeah i gave it a check again and everything seems fine, they are as tight as i can get them anyway, i am starting to think its just the APP or maybe bluetooth connection cause it seems to just drop out from the app but is still working i think, sometimes it will show up fine in the app others it doesn't show and pressing scan doesn't help. really odd, but so far still working. guess the app isn't really needed as long as the main functions are working.

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          • #20
            Hey guys, can you remember who your kit was delivered through? I received confirmation on the 2nd but still haven't seen it so am beginning to get a bit antsy.

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            • #21
              Originally posted by brismatt View Post
              Hey guys, can you remember who your kit was delivered through? I received confirmation on the 2nd but still haven't seen it so am beginning to get a bit antsy.
              Pretty sure it was Australia Post. It was left in our letter box. The meCoffee website says 5-10 business days, which would be up for you today. Hopefully it turns up in the next couple of days!

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              • #22
                Yeah mine was delivered by aus post and just put in letter box, not as a parcel

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                • #23
                  Originally posted by millsii View Post
                  Good to hear it was a simple resolution to your issue! See attached our current preinfusion and pressure settings...
                  Hi all, I am new to this forum and signed up when I had found this post. I am from the Netherlands and also use the mecoffee. I was looking for a post about this PID to know more and discuss about all the settings you can change on this PID. This week I am planning to finally implement the pressure control functionality.

                  For now I am using default settings and based on this posted switched from continuous mode back to interval. I also switched a couple of times between enabling/disabling the pre-infusion in the app. It just seems better without, but maybe this will change when combining it with pressure control.

                  I do have two questions:

                  1. In the settings screenshot (thanks for that) I see a pre-infusion of 10 seconds in total. How long do you pull a shot in that case? 20 seconds?

                  2. Can someone maybe post a picture which shows how the white cable for the pressure control is attached to the neutral side (black cable) of the power button? I am a bit confused about this because the green wire is already attached to this when I connected the PID in the first step.

                  I will also start to share my experiences using this great PID!

                  Thanks in advance!

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                  • #24
                    Hi FJP84, welcome to the forum! About pre-infusion, we decided on almost going back to default settings of 4secs pump, stop for 3secs then pump for 25secs. This is with pressure control from 70% for 6secs. This has given us very good consistency shot to shot and beans to beans.

                    I don't have a picture on the neutral power switch connections, but it does result with piggy back on piggy back, ie 3 cables connected to the switched neutral terminal. The white cable should have a piggy back connection on it.

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                    • #25
                      Update: I just connected pressure control and it does work OK!

                      Question on pre-infusion: have you enabled 'close the valve on pause' option?

                      What are the pro's/con's in enabling this option?

                      Thanks again!


                      Originally posted by millsii View Post
                      Hi FJP84, welcome to the forum! About pre-infusion, we decided on almost going back to default settings of 4secs pump, stop for 3secs then pump for 25secs. This is with pressure control from 70% for 6secs. This has given us very good consistency shot to shot and beans to beans.

                      I don't have a picture on the neutral power switch connections, but it does result with piggy back on piggy back, ie 3 cables connected to the switched neutral terminal. The white cable should have a piggy back connection on it.
                      Thanks, Just what I thought (as described in schematic drawing)

                      Last edited by FJP84; 14 April 2016, 03:12 AM. Reason: Status update

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                      • #26
                        No, we have left that option off. Not sure which setting would be better?

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                        • #27
                          Originally posted by millsii View Post
                          No, we have left that option off. Not sure which setting would be better?
                          Thanks, I am trying out your settings and it seems that quality did improve.

                          I also want to get more understanding in the PID parameter settings. Now I use P:25, I:3, D:128. But I still not quite understand the effect of increasing or decreasing values of each of the parameters.

                          Maybe Wikipedia will help.

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                          • #28
                            We have tried changing the PID settings, but haven't spent much time on it so set them back to the defaults you mentioned. They seem to work really well for non-continuos mode. I think there would be best benefit tuning them while using continuous mode.

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                            • #29
                              Hi,
                              i'm in too!
                              Just installed the PID and hope there is some day a real shot timer. Should be possible, because the preinfusion feature stops the brewing too.... ok, you have manualy to switch back the brew button.

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                              • #30
                                So I messed around with pressure settings this morning, and while I made probably one of the best shots I've done in a while my God did the machine make a god awful racket the first few seconds! Any of you guys who have changed pressure settings does this happen to you? Worried it was gonna blow up or something! I went off the 70% for 6secs and also preinfuse. Can you screenshot your pressure settings page for me @millsii so i know i didn't have it wrong lol.


                                This is what i got with those settings, Sumatra Lake Tawar and my God it was delicious, but not sure my wife can handle the machine making as much noise as it did for this shot all the time lol. After putting settings for pressure back to default the noise went away thank God.

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