In these cases the machine has not successfully completed the descaling process.
Therefore, and if you have used the descaling product in the previous process, you must perform the whole procedure again exclusively with clean water, through the steps indicated on https://www.nespresso.com/pt/pt/assistencia-tecnica#!/ (depending on the model of your machine).
We warn you not to fill the water tank while it is in the base of the machine.
If the situation persists please contact the toll free helpline 800 260 260.
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