en Troubleshooting
Fault
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.
62
Cause and troubleshooting
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 47
Set the corresponding water hardness.
2.
→ "Setting the water hardness", Page 46
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 58
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 52
Heavy build-up of limescale in the appliance.
Descale the appliance.
▶
Air is in the water filter.
Immerse the water filter in water with the opening
1.
facing upwards until no more air bubbles escape.
Reinsert the filter.
2.
→ "Inserting and activating the water filter", Page 47
Appliance is soiled.
Clean the brewing unit.
▶
Descale and clean the appliance.
▶
Coffee strength is set too high.