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Descale the machine: De'Longhi Dedica Arte

Before you start

Time
About 25 minutes
Tools
container of at least 1 litre
Supplies
De'Longhi descaler (diluted with water to the tank MAX line; ratio per the pack)

Warnings

The machine tells you when

This machine keeps count itself and tells you when this job is due, so follow the machine rather than a calendar.

What you see
orange descale light flashes on the steam button
Shown as
A light
How it clears
goes out once the rinse has emptied the tank

Source: De'Longhi EC885 coffee maker instructions for use (EN)

Steps

  1. Check the portafilter is off the machine and put a container of at least 1 litre under the hot water wand and the coffee outlet.

    From the manual: “Make sure the filter holder is not attached and position a recipient under the hot water spout and boiler outlet”

  2. Mix the De'Longhi descaler with water and pour it into the tank up to the MAX mark.

    From the manual: “Dilute the descaler provided with water and pour the solution into the tank (fill the tank up to the MAX level)”

  3. Hold the steam button for 10 seconds, until all three buttons light up one after another.

    From the manual: “button for 10 seconds until the three buttons flash in sequence.”

  4. Turn the steam dial to the hot water position.

    From the manual: “Turn the steam dial to”

  5. Press the steam button to start the descale programme.

    From the manual: “button to start descaling.”

  6. Let the programme run: it releases descaler from the wand in bursts with pauses until the tank is empty.

    From the manual: “automatically performing a series of rinses and pauses until the tank is empty.”

  7. Now and then close the steam dial briefly so some descaler also runs through the coffee spouts. Only when: during the descale run

    From the manual: “close the steam dial from time to time to deliver small quantities of descaler from the coffee spouts”

  8. When delivery stops with the orange light still flashing, empty the container and set it back under the outlets.

    From the manual: “Empty the recipient used to collect the descaler solution and reposition it under the spouts.”

  9. Take out the tank, empty and rinse it, fill it with fresh water to MAX and refit it.

    From the manual: “Extract the water tank, empty, rinse under running water, fill with fresh water up to the MAX level”

  10. With the steam dial still at hot water, press the steam button to start the rinse; close the dial now and then to rinse the coffee spouts too.

    From the manual: “button to start rinsing.”

  11. Refit the water softener filter if you use one, then run a second rinse the same way (empty container, refill tank, start rinse).

    From the manual: “Perform a second rinse cycle from points 7 to 9 with the filter inserted (if present previously).”

  12. Descaling is finished when the tank has run empty and the orange light goes out.

    From the manual: “When the water tank is empty, the orange light goes off”

  13. Turn the steam dial back to 0.

    From the manual: “Turn the steam dial to 0.”

  14. Refill the tank with fresh water.

    From the manual: “Fill the tank with fresh water.”

Sources

Researched on .

Published: the sentence is on the maker’s own page or in the maker’s own document.

Applies to