If, when pressing the button corresponding to the cup, water does not flow through the coffee extraction outlet, it is possible that there is an air bubble in the machine. It can occur when the machine operates with an empty water tank or when it is not used for an extended period of time.
For machines with an automatic extraction system, such as the U, Prodigio or Expert models, simply fill the water tank, eject the capsule that may be in the chamber, close the coffee lever and press the button corresponding to the cup. When the water starts flowing through the coffee extraction outlet, it means that the air bubble has been released.
For the other models, simply lift the coffee extraction handle and push it back. When applying pressure, press the button corresponding to the cup until water appears in the capsule chamber. When water starts to flow in the extraction chamber, you can close the handle so that water flows through the extraction nozzle.
If your machine has a steam nozzle, it is preferable to activate the steam / hot water function. The lower the pressure, the more easily this function will allow air to be released.
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