Russell Hobbs Reduced Ultrasonic Output / Airflow Restriction

Humidifier produces very weak mist output even at maximum setting

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Possible Causes

Mineral scale on transducer, Clogged mist outlet or nozzle, Fan partially blocked or weak, Low water level or incorrect tank seating

How to Fix / Troubleshooting

Safety: Unplug before cleaning.

Steps:

  • Descale transducer: Clean the ultrasonic transducer with a vinegar solution as described above.
  • Clean mist outlet: Remove any nozzle or directional spout and rinse. Use a soft brush to clear any deposits.
  • Check fan: Ensure the internal fan is running and the air intake filter (if fitted) is clean.
  • Water level and seating: Confirm the tank is full enough and properly seated so water flows freely to the base.
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Repair Difficulty

Easy 2/5

Required Part

Ultrasonic Transducer Module
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