en Troubleshooting
Fault
Display shows "Please
clean brewing unit, re-
place and close
door.".
Display shows
"Voltage (V) incor-
rect.".
Display shows "Please
restart appliance.".
Display very frequently
shows "calc'nClean".
Coffee or milk froth
quality varies widely.
Milk froth quality var-
ies widely.
Coffee is not dis-
pensed or has slowed
to a trickle.
Set quantity is not
reached.
66
Cause and troubleshooting
Brewing unit is soiled.
Clean the brewing unit.
▶
Mechanism of brewing unit is stiff.
Clean the brewing unit.
▶
Too much ground coffee in the brewing unit.
Use no more than 2 level measuring spoons of
▶
ground coffee.
There are problems with the power supply.
Only operate the appliance at 220 - 240 V.
▶
Brewing unit is heavily soiled or cannot be removed.
Restart the appliance.
▶
Clean the brewing unit.
▶
Appliance has a fault.
Pull out the mains plug and wait 60 seconds.
1.
Re-insert the mains plug.
2.
Decalcified water still contains small amounts of lime.
Insert a new water filter.
1.
→ "Inserting and activating the water filter", Page 49
Set the corresponding water hardness.
2.
Incorrect or too little descaling agent used.
When descaling, only use suitable tablets.
▶
Service programme has not been carried out in its en-
tirety.
Reset the service programme.
▶
→ "Resetting service programmes", Page 62
Build-up of limescale in the appliance.
Descale the appliance.
▶
Milk froth quality depends on the type of milk or plant-
based alternative used.
Optimise the result through the selection of the milk
▶
or vegetable-based drink type.
Grinding level is set too fine.
Set a coarser grinding level.
▶
→ "Adjusting the grinding level", Page 55
Heavy build-up of limescale in the appliance.
Descale the appliance.
▶
Air is in the water filter.