Breville Barista Pro (BES878) Troubleshooting Hub
The Barista Pro sits between the Barista Express and Oracle. It replaces the thermocoil with the faster-heating ThermoJet and adds an LCD with direct temperature display. Gasket spec is identical to the Barista Express (54×42×8mm silicone) — most Express procedures apply directly.
Shared with Barista Express
Key ThermoJet Difference The "3-second heat-up" is element readiness only. Always run a 2 oz hot water purge through the group head before the first shot of each session.
Breville Master Maintenance Guide