Hello!
Got BES870 machine about a week ago. First few espressos were as expected with smooth glossy crema. However, now the coffee running out of the filter starts as a smooth flow but quickly turns in a broken, sputtering, bubbly stream. The taste is fine, not burnt at all and not sour, and the coffee is not too hot, and there is the crema, but it has a lot of small and medium sized bubbles in it (so even simple latte art is not quite possible)
At the moment using leftover pre-ground Lavazza Oro coffee, dual wall double basket, 18g of coffee per shot, correct level and tamping. Extraction is about 25 sec, pressures are in the right zones for pre- and extraction stages. Everything's warmed up for ~20min.
Any ideas, what could be wrong in here, help is much appreciated!
BrownCat
Got BES870 machine about a week ago. First few espressos were as expected with smooth glossy crema. However, now the coffee running out of the filter starts as a smooth flow but quickly turns in a broken, sputtering, bubbly stream. The taste is fine, not burnt at all and not sour, and the coffee is not too hot, and there is the crema, but it has a lot of small and medium sized bubbles in it (so even simple latte art is not quite possible)
At the moment using leftover pre-ground Lavazza Oro coffee, dual wall double basket, 18g of coffee per shot, correct level and tamping. Extraction is about 25 sec, pressures are in the right zones for pre- and extraction stages. Everything's warmed up for ~20min.
Any ideas, what could be wrong in here, help is much appreciated!
BrownCat

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