I've had a smart grinder for just over 3 years now, never had a problem up until about 2 months ago when I noticed the pours were getting quicker from the same grind settings that used to be perfect. Dialing in smaller numbers did not seem to be making any difference so I took the top off and cleaned the top and bottom burrs, as there was quite a bit of grind stuck in there I thought this would make a difference but alas no, still the same result.
Next I changed the grind setting on the top burr, it was on 6 so I tried 4 but it made no difference, next I went down to 1 and still no difference. Basically I'm getting 18 second pours from 17 seconds of grinding on a grind setting of anywhere from 4-8 (all give the same result) which results in a pretty full double basket but the pressure rarely climbs above 7 bars. Apart from the shortness of the pour you can actually see the grind is not fine enough.
Although it's 3 years old it's only been an average of 6 or 7 coffees a week so it's not as if its had heavy usage. What does this sound like to people? Should I get the machine serviced, can I do it myself or is not worth the bother and should I buy a new grinder? It doesn't sound to me like shims would make any difference because every adjustment I have made so far has not altered the result in any way, it's as if it will grind any finer due to some physical limitation.
Next I changed the grind setting on the top burr, it was on 6 so I tried 4 but it made no difference, next I went down to 1 and still no difference. Basically I'm getting 18 second pours from 17 seconds of grinding on a grind setting of anywhere from 4-8 (all give the same result) which results in a pretty full double basket but the pressure rarely climbs above 7 bars. Apart from the shortness of the pour you can actually see the grind is not fine enough.
Although it's 3 years old it's only been an average of 6 or 7 coffees a week so it's not as if its had heavy usage. What does this sound like to people? Should I get the machine serviced, can I do it myself or is not worth the bother and should I buy a new grinder? It doesn't sound to me like shims would make any difference because every adjustment I have made so far has not altered the result in any way, it's as if it will grind any finer due to some physical limitation.

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