DO-429K
Maintenance door is
open.
Warning.
No water.
ERROR MESSAGES
Problem
Nothing happens, no
display.
No reaction or delayed
reaction after repeatedly
pressing the on/off
switches.
The coffee is not hot
enough.
The coffee is not running
through one of the nozzles.
The first cup of coffee is
poor quality.
The milk foams
insufficiently.
The coffee is not creamy.
Heating up takes too long. Limescale deposit.
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Close maintenance door.
Pay attention.
Fill the water reservoir.
Cause
Appliance is not plugged
in.
Appliance is under
the influence of
electromagnetic
interference. Control
panel is dirty or greasy.
The cups were not
preheated.
The coffee-making
element is too cold.
A nozzle is blocked.
The grinder is providing
the coffee-making
element with an
insufficient amount of
coffee.
Milk is not fresh, milk is
too warm, milk is boiled.
The nozzle is blocked.
Beans or ground coffee
is not fresh or is poor
quality.
72
Remove the
plug
Remove the
plug
Remove the
plug
Solution
Plug the appliance in.
Remove the plug out and restart
after a few minutes.
Clean the control panel with dry
cloth.
Place the cups on the heating
plate beforehand.
Flush and clean the appliance.
Clean the nozzles regularly.
Throw the coffee away; the
following cups should be good.
Clean the coffee bean hopper.
Use fresh, cold milk.
Clean the nozzle.
Use a good quality brand of
coffee beans or ground coffee.
Descale the appliance.