Sage
Pump Mounting / Cavitation Issue
Pump is very loud and vibrates excessively during brewing
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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.
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Possible Causes
Air in pump (cavitation), Loose or hardened pump mounts, Pump touching chassis, Restricted water inlet
How to Fix / Troubleshooting
Safety: Unplug before opening the housing.
- Bleed air:
- Ensure the water tank is full and properly seated.
- Run the hot water function for 30–60 seconds to purge air.
- Check inlet: Remove any water filter and ensure the tank outlet is not restricted.
- Inspect pump mounts (advanced):
- Access the vibration pump and check its rubber mounts.
- Replace hardened or broken mounts and ensure the pump is not in direct contact with the metal chassis.
- Repair: Replace the vibration pump if it remains excessively noisy despite proper mounting and priming.
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Repair Difficulty
Medium
3/5
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