F15
Dyson Internal Mechanical Jam / Drive Fault

Dyson humidifier displays F15 and stops, often with unusual noises from the base

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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

Obstruction in internal water distribution mechanism, Jammed internal valve or diverter, Foreign object inside base, Damaged internal gear or drive component

How to Fix / Troubleshooting

Safety first: Unplug the unit immediately if you hear grinding or clicking noises from the base.

  • 1. Remove tank and inspect: Take off the tank and look for any foreign objects or broken plastic pieces in the base water area.
  • 2. Gently shake: With the unit unplugged and tank removed, gently tilt and shake the base to see if any loose objects rattle inside. Do not invert fully if water may still be present.
  • 3. Do not force operation: Avoid repeatedly starting the unit if it makes loud mechanical noises; this can cause further damage.
  • 4. Professional inspection: Internal drive components (valves, gears, diverters) are not user-serviceable. The base must be opened by a technician to remove obstructions or replace damaged parts.
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Repair Difficulty

Professional Required 5/5

Required Part

Internal Valve / Drive Assembly
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