F10
Hotpoint-Ariston
Pressure Switch Circuit Open / No Signal
Machine does not detect correct water level; may not fill or may not proceed to wash; F10 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
Disconnected or faulty pressure switch, Broken pressure hose, Wiring open between pressure switch and control, Faulty main control board input
How to Fix / Troubleshooting
Safety: Unplug the appliance and turn off water.
- Check pressure hose:
- Locate the small hose from the tub air trap to the pressure switch.
- Ensure it is firmly attached at both ends and not split or cracked.
- Replace if hardened or damaged.
- Inspect pressure switch:
- Verify the electrical connector is fully seated.
- Check for signs of burning or corrosion.
- Test continuity (for skilled users):
- With the machine empty, test the switch contacts with a multimeter while gently blowing into the pressure port.
- Contacts should change state as pressure increases.
- Check wiring harness: Trace wires from the pressure switch to the control board and repair any breaks.
- If all components test OK: Replace the main control board.
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Repair Difficulty
Medium
3/5
Required Part
Water Level Pressure Switch
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