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Run the hot water function to rinse your coffee machine from within
It's possible that your coffee machine was not properly rinsed after descaling.
To rinse the pipes of your coffee machine use the hot water function described in the guide below for 2 full tanks of fresh clean water.
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1. Posizionare una tazza sotto il cappuccinatore
2. Preparare la macchina
1
Turn the appliance on by pressing the ON/OFF button.
2
Wait for the OK indicator light to come on.
3. Erogazione di acqua calda
When the OK indicator light comes on, turn the selector dial to the 
position and, at the same time, rotate the steam dial anticlockwise.
Hot water is delivered from the cappuccino maker.
Note: You should not deliver hot water for more than 60 seconds.
4. Interrupting the hot water delivery
To interrupt delivery of hot water, rotate the steam dial clockwise and turn the selector dial towards the standby 
position.
Remember that hot water delivery should not be done for longer than 60 seconds.