en Troubleshooting
64
Fault Cause and troubleshooting
Display shows
"Voltage (V) incor-
rect.".
There are problems with the power supply.
▶ Only operate the appliance at 220-240V.
Display shows "Please
restart appliance.".
Brewing unit is heavily soiled or cannot be removed.
▶ Restart the appliance.
▶ Clean the brewing unit.
Appliance has a fault.
1. Pull out the mains plug and wait 60seconds.
2. Re-insert the mains plug.
Display very frequently
shows "calc'nClean".
Decalcified water still contains small amounts of lime.
1. Insert a new water filter.
→"Inserting and activating the water filter", Page47
2. Set the corresponding water hardness.
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", Page59
Coffee or milk froth
quality varies widely.
Build-up of limescale in the appliance.
▶ Descale the appliance.
Milk froth quality var-
ies widely.
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.
Coffee is not dis-
pensed or has slowed
to a trickle.
Set quantity is not
reached.
Grinding level is set too fine.
▶ Set a coarser grinding level.
→"Adjusting the grinding level", Page53
Heavy build-up of limescale in the appliance.
▶ Descale the appliance.
Air is in the water filter.
1. Immerse the water filter in water with the opening
facing upwards until no more air bubbles escape.
2. Reinsert the filter.
→"Inserting and activating the water filter", Page47
Appliance is soiled.
▶ Clean the brewing unit.
▶ Descale and clean the appliance.
Coffee strength is set too high.
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