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EN
Malfunctions
Problem Cause Corrective action
No espresso comes out of the
machine
Tank empty Fill the water tank
The holes in the strainer holder
are blocked
Clean the holes in the strainer
The sieves are blocked or there
is too much coffee powder in
the sieve
Clean the sieves, see “Cleaning
coffee strainers”
The water tank is not
positioned correctly and the
valves at the bottom are not
opened.
Push the water tank down
gently to open the valves at the
bottom
There is limescale in the water
circuit
Descale as described in the
chapter on “Descaling”
The turning knob‘s red LED light The turning knob is not at “0”
position, when start up the
machine for pre-heat.
Turn back the turning knob to
O position
When pre-heat up machine
for steam, but temperature for
steam is not reached
Wait till turning knob light
white and turn knob to pre-
heat position
Hot water function reaches 60
seconds
Turn back the turning knob to
O position
Steam time reach 60 seconds Turn back the turning knob to
Steam pre-heat up position
The espresso drips over the
edges of the strainer holder
instead of out of the holes
The strainer holder is not
properly inserted or is dirty
Engage the strainer holder
correctly and twist firmly as far
as it will go
The strainer holder seal has lost
elasticity or is dirty
Get the seal on the strainer
holder replaced by customer
services
The holes in the strainer holder
are blocked
Clean the holes, see “Cleaning
coffee strainers”
The strainer holder will not
engage on the device
There is too much coffee in the
strainer
Use the measuring spoon
provided and ensure that you
are using the right strainer for
the coffee you want
Problem Cause Corrective action
The foam on the coffee is light
(the coffee is coming out too
quickly)
The ground coffee was not
properly pressed
Press the ground coffee down
harder
Too little ground coffee Use more ground coffee
Only use ground coffee for
espresso machines
The ground coffee is not the
right quality
Use a better quality ground
coffee
The foam on the coffee is dark
(the coffee is coming out too
slowly)
The ground coffee was pressed
down too hard
Press the ground coffee down
less firmly
Too much ground coffee Use less ground coffee
The strainer is blocked Clean as described in the
section on “Cleaning the
strainer”
The ground coffee is too fine Only use ground coffee for
espresso machines
The ground coffee is too fine
or damp
Only use ground coffee for
espresso machines and make
sure it does not get damp
Limescale in the water circuit Descale as described in the
chapter on “Descaling”.
The coffee machine is not
making any drinks and the
control lights flash for a few
seconds
Tank empty Fill the water tank
The water tank is not
positioned correctly and the
valves at the bottom are not
opened
Push the water tank down
gently to open the valves at the
bottom
The kettle shower strainer is
blocked
Clean as described in the
section on “Cleaning the kettle
shower strainer”
The strainer is blocked Clean as described in the
section on “Cleaning the
strainer”
Limescale in the water circuit Descale as described in the
chapter on “Descaling”
The coffee machine is not working and all the control lights are
flashing red
Disconnect the device from the
mains power immediately and
consult an authorised customer
service centre
16


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  • Why is the 1cup button of lumero WMF blinking color blue? What is the problem? Submitted on 30-1-2022 at 18:15

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