Espresso Map
| DEFECT | CAUSE | SOLUTION | ||
| LIGHT CREMA the coffee descends too quickly |
Coarse grind Weak tamping Scant dose Pump pressure under 9atm Clogged shower screen Widening of filter holes |
Finer grind Increase tamping Increase dose Increase pump pressure Clean or replace Replace |
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| DARK CREMA the coffee descends too slowly |
Fine grind |
Coarser grind Decrease tamping Decrease dose Decrease boiler pressure Decrease pump pressure Clean or replace Clean thoroughly |
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| SHORT HOLDING CREMA |
Wrong grind set Prolonged extraction due to filter clogging Water temp. Over 90c |
Adjust grind Clean thoroughly Decrease boiler pressure |
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| COFFEE GROUNDS INSIDE THE CUP the coffee descends too quickly |
Fine grind Worn grindstones Pump pressure over 9atm Clogged shower screen Widening of filter holes |
Coarser grind Replace grindstones Decrease pump pressure Clean or replace Replace |
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| DEPRESSIONS IN COFFEE GROUNDS | Partially clogged shower screens | Clean or replace | ||