Domo DO-429K, Instruction Booklet, Page: 72 / 74

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