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De'Longhi Coffee Machines Help Center
Magnifica S PlusMessage: DESCALE

Magnifica S Plus

Message: DESCALE

Try this solution

Descale the machine

Possible cause:
The machine must be descaled.


Follow the step-by-step guide:



Descaler contains acids which may irritate the skin and eyes. It is essential that you observe the manufacturer’s safety warnings indicated on the descaler packet and the warnings relating to the procedure to follow in the event of contact with the skin and eyes.


Please note:

Use descaler recommended by De’Longhi only. Failure to descale the appliance as described above also invalidates the guarantee.


Press the POWER button to turn the machine on



Press the MENU button


Press B4 or B5 until "Descale" is displayed


Select by pressing OK

The message "Descale Confirm?" appears on the display. Press OK again to enable the function . "Add Descaler Confirm?" appears on the display.


Empty the water tank completely & remove the water softener filter if present


Pour the descaler into the tank & add water

Pour the descaler into the tank up to the level A (equal to one 100ml packet) marked on the back of the tank. Add water (1 litre) up to level B.


Place an empty container with a minimum capacity of 1.5 litres under the cappuccino maker


Danger of scalding!

Hot water containing acid is delivered from the cappuccino maker. Avoid contact with splashes of water.


Press OK to confirm that the solution has been introduced

"TURN STEAM KNOB" then appears on the display .


Turn the steam knob into the "I" position

The descaling programme starts and the descaler liquid comes out of the cappuccino maker. The descaling programme automatically performs a series of rinses and pauses to remove all the scale residues inside the coffee machine. After about 30 minutes, the message “FILL TANK!” is displayed. The appliance is now ready for rinsing through with clean water.


Empty the container used to collect the descaler solution

Empty the container used to collect the descaler solution and replace it empty under the cappuccino maker.


empty, rinse under running water, fill with clean water and replace

“Rinsing” appears on the display. Hot water comes out of the cappuccino maker. When the water tank is completely empty, “TURN STEAM KNOB” is displayed.


Turn the knob to the "0" position


Insert the filter in the tank (if present)


Fill the water tank

The coffee machine is now ready for use.

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