You will hear a slight knocking/pumping sound during the Espresso, Steam, and Hot Water cycles. This is just the machine going through a normal operation, so no action is required.
Frequently asked questions
Why is there a knocking or pumping sound during the cycle?
When you run the Espresso Machine, are you concerned by a knocking or pumping sound? Read about noises here...
Related frequently asked questions
- How to restore factory setting on the Espresso Machine?
- Which coffee recipes can I make with my espresso machine?
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