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Descale the machine (original Apex, v1): DF64 Apex

Before you start

Tools
cup or container of at least 150 ml
Supplies
household descaler (4:1 water to descaler, tank filled to MAX); citric acid (substitute) (100:3 water to citric acid), optional

Warnings

Steps

  1. Fill the tank to MAX with water and descaler at 4:1, or with citric acid at 100:3.

    From the manual: “Pour water and descale in water tank up to MAX capacity”

  2. Lock the empty portafilter, with no coffee in it, into the group head.

    From the manual: “Lock the filter holder (no coffee powder) into the group head.”

  3. Once the coffee light stays on, press the coffee button, run about 150 ml, and switch it off.

    From the manual: “make about 150ml coffee after coffee indicator always lights on, turn off coffee button”

  4. Switch on steam; when the steam light is steady, open the knob and release steam for about 2 minutes, then close it.

    From the manual: “release steam about 2min and turn off the knob”

  5. Leave the descaler to work inside the machine for at least 15 minutes.

    From the manual: “then make descales deposit in the machine at least 15min”

  6. Repeat the brew, steam and wait round 3 times. Repeat 3

    From the manual: “Repeat the steps 4 for 3 times;”

  7. Brew through the empty portafilter until no descaler is left.

    From the manual: “Press coffee button to brew coffee until there is no descale left;”

  8. Rinse: repeat the brew-and-steam round 3 times without the 15-minute wait, then brew until the boiler is empty.

    From the manual: “repeat the steps 4 for 3 times (no need wait for 15 min), then brewing until no water is left in the boiler”

  9. Do that rinse at least 3 times so the pipes are clean. Repeat at least 3 times

    From the manual: “Repeat the step 7 at least 3 times to make sure the piping is cleanly.”

Sources

Researched on .

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

Applies to