Water is leaking over edge of basket during extraction.
Filter basket rim is damaged. Replace filter basket.
Group seals are worn or damaged. Replace seals.
Brew pressure is incorrect.
Pump pressure should be 9 bar during extraction. Call for service if necessary.
Water filter is clogged.
Restricted water flow through a clogged filter will affect the taste of espresso. Replace your water filter at the recommended interval.
Extraction temperature is incorrect.
The boiler pressure should be 1.0 – 1.2 bar. Higher or lower boiler pressure can affect the taste of espresso.
Clogged water filters can also affect extraction temperature. Replace your water filter at the recommended interval.
Please note: Our barista training courses give Baristas the skills to produce consistently great coffee.