Franke Kaffeemaschinen AG Troubleshooting | 12
User manual Mytico Due 59
12 TROUBLESHOOTING
12.1 Error messages
Non-self-service mode
Errors in the non-self-service mode are indicated via a highlighted symbol. Tap the symbol for further in-
formation.
12.1.1 Color code for error messages
Temporary interruption
System still fully functional
System has limited functionality
Some or all resources are locked
12.2 Troubleshooting the system
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