Winterhalter
Rinse System Noise
High-pitched squealing or whistling noise during final rinse.
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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
Partially blocked rinse jets, Air in rinse line, Worn rinse pump bearings, Loose rinse arm
How to Fix / Troubleshooting
Safety first: Turn off power before removing rinse arms.
- Clean rinse arms: Remove and clean all rinse jets thoroughly.
- Bleed air: Run several cycles to purge air from the rinse system, ensuring the water supply is stable.
- Check rinse arm seating: Ensure arms rotate freely and are properly seated on their spindles.
- Replace pump if needed: If noise persists and comes from the pump area, the rinse pump bearings may be worn and the pump should be replaced.
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Repair Difficulty
Medium
3/5
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