 Did you use more than 7 g of ground coffee? |
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 Was your coffee very finely ground? |
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 Did you over tamp the coffee? |
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 If the coffee was poured into the cup in 35 seconds or more, the coffee may have been over ground or over tamped. |
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 Was the water temperature over 88 degrees? |
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 Was the pump pressure greater than 10 atmospheres? |
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 If you used roasted coffee beans, were the blades of the grinder dull? |
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 Was the right setting selected on the grinder? |
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 If you used a grinder that automatically adjusts the dosage, was the correct dose selected and was the amount of coffee ground always between 6-7 g? |
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 Was the machine cleaned following the instructions in the manual? |
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 Was the filter the right size for the number of cups? |