12 | Troubleshooting Franke Kaffeemaschinen AG
68 User manual Mytico Vario
Error message/problem Possible cause Measure
Error message E79 Flow
meter error
Water flow disrupted Check the water tank/main water con-
nection coupling
If the error message appears while a
product is being dispensed, the brewing
module strainer is probably blocked
– Increase the grind coarseness and/or
reduce the grind quantity
– Remove the brewing module and
rinse it out
– Start the coffee machine cleaning
process
Touch screen not re-
sponding correctly
Overloaded machine software There are two different troubleshooting
methods:
– Method 1: Press and hold the red but-
ton on the right-hand side of the op-
erator panel for 10seconds to restart
– Method 2: Disconnect the coffee ma-
chine from the power grid. Wait
1minute before reconnecting the cof-
fee machine to the power grid. Briefly
press the red button on the right-
hand side of the operator panel to
switch it on
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.
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