EN 42 2011/04
OptiBean
E17 MDB error There is no communication
between the machine and MDB
payment system.
Switch the machine off and on
again. Contact the dealer or serv-
ice engineer.
E18 Mixer group FET error Brewer or mixer motor still active Contact the dealer or service
engineer.
E19 Output FET error Ingredient motor, valve or ventila-
tion motor still active
Contact the dealer or service
engineer.
E20 Software error Software error Switch the machine off and on
again.. Contact the dealer or
service engineer.
E21 Boiler timeout Boiler is not heating. Contact the dealer or service
engineer.
E22 Brew timeout Brewer process too long Switch the machine on and off.
Clean or rinse the machine. Con-
tact the dealer or service engi-
neer.
E23 Inletvalve error Inlet valve is leaking. Close the water tap. Contact the
dealer or service engineer.
E24 Brewer error Brewer error during coffee mak-
ing
Switch the machine on and off.
Contact the dealer or service
engineer.
E25 Flowmeter error No water pressure.
Water tank is empty (if applica-
ble).
Check water pressure. Open the
water supply. Check the water
hose. Switch the machine on and
off.
Problem Possible cause Correction
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