Leaking Water
Breville Espresso Machine
Severity: ModerateWhat Does This Error Mean?
A leaking Breville espresso machine is most commonly caused by a worn group head gasket or a portafilter that is not locked in tightly enough. Check the portafilter seal first — it is the most frequent source of leaks.
Affected Models
- Breville Barista Express
- Breville Barista Pro
- Breville Bambino Plus
- Breville Oracle
- Breville Infuser
- Breville Dual Boiler
Common Causes
- Worn or cracked group head gasket
- Portafilter not locked in properly or over-ground coffee forming an uneven puck
- Loose or cracked water tank connection
- Scale buildup causing internal pressure to route through unintended paths
- Cracked drip tray or overflow tube disconnected