Breville espresso machine displays LOW PRESSURE during extraction and shots run very fast.
Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
Possible Causes
How to Fix / Troubleshooting
Safety: Allow the machine to cool before opening panels.
User adjustments:
- Use a finer grind and proper dose (e.g., 18–20 g for a double shot) to increase resistance.
- Ensure the portafilter basket is properly filled and tamped evenly.
- Check the group head gasket for leaks during extraction; replace if water sprays around the portafilter.
Advanced:
- Connect a portafilter pressure gauge to measure brew pressure.
- Adjust the OPV to the manufacturer-specified pressure (typically around 9 bar) if adjustable.
- If the pump cannot reach pressure even with a blind filter, replace the ULKA pump.
Resolution: Correct grind and dose first. If mechanical issues remain, replace the group head gasket, adjust or replace the OPV, and replace the pump if it cannot build pressure.
Repair Difficulty
Required Part
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