12 | Troubleshooting Franke Kaffeemaschinen AG
60 User manual Mytico Due
12.3 Tips for good coffee beverages
NOTICE
Poor beverage quality
The oil from the coffee beans is deposited on the inside of the bean hopper as a thin film of oil. This de-
posited oil ages quickly and impairs the taste of the beverages produced.
a) Remove the oil film from the inside of the bean hopper on a daily basis.
b) To do this, use a dry cloth or a cloth moistened only with water.
c) Do not use any cleaners, as these alter the taste of the coffee.
The aromas of the coffee beans evaporate in the bean hopper as a result of heat and air exchange. The
quality will have already deteriorated after 3 hours.
a) Coffee beans should not be moist.
b) Seal any open coffee bean packs in an airtight manner.
c) Do not store coffee beans in a refrigerator or freezer.
d) Only fill the coffee beans into the bean hopper that you will need for the next 3 hours.
12.4 Help with problems concerning product quality
Problem Possible causes Possible remedy
Coffee tastes stale Grind too coarse Select a finer grind Setting the grind
coarseness
Too little coffee Increase coffee quantity Setting drinks
Temperature too low Increase temperature Setting drinks
Coffee is old Use fresh coffee
Bean hopper not locked correctly Check locking of the bean hopper Filling
beans
Coffee tastes strange Poor grind Contact customer service
Minimal coffee usage Pour a small amount of coffee beans into
the bean hopper
Spoiled coffee beans Replace coffee beans
Cleaner residue Rinse the machine
Dirty cup Check the dishwasher
Poor water quality (chlorine, hard-
ness, etc.)
Have water quality tested
Water quality
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Coffee tastes bitter Temperature too high Reduce coffee temperature Setting
drinks
Grind too fine Select a coarser grind Set the grind
coarseness
Coffee quantity too low Increase coffee quantity Setting drinks
Roast too dark Use lighter coffee roast
Coffee tastes sour Temperature too low Increase coffee temperature Setting
drinks
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