E17
Neff
High Water Pressure / Inlet Valve Error
Washer fills too quickly or detects overfill; E17 displayed.
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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
Excessive mains water pressure, Sticking inlet valve, Faulty flow meter, Incorrect hose installation
How to Fix / Troubleshooting
Safety: Unplug the washer and close the water tap.
- Check water pressure: If your mains pressure is very high, consider fitting a pressure-reducing valve on the supply line to the washer.
- Inspect inlet valve: Remove the top cover and check the inlet valve assembly for signs of mechanical sticking or debris. Replace if the valve does not close reliably.
- Verify hose installation: Ensure hot and cold hoses (if applicable) are connected to the correct inlets and that any supplied restrictors are installed as per the Neff manual.
- Test operation: After adjustments or replacement, run a short cycle and observe the fill level. The water should stop below the bottom of the door glass.
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Repair Difficulty
Medium
3/5
Required Part
Water Inlet Valve
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