Descaling of the upper brewing piston

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Leave the plug in the socket and turn off the machine. The main switch – if available – must be turned on.

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Put your DeLonghi in test mode. We have lots of instructions for this. If your model is not included, then search for it in the internet.

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Your machine must be in test mode. Select the appropriate option to move the brewing unit to the upper end position.

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Remain in test mode; the brewing unit is still in the upper end position.

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The two pictures show a dirty/calcified upper brewing piston before and after repair.