De'Longhi Restricted Airflow / Blower Obstruction

Fan runs but airflow from the front grille is very weak even on high speed.

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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

Clogged air filter, Dust buildup on blower wheel, Collapsed internal ducting, Failing fan motor not reaching full speed

How to Fix / Troubleshooting

Safety first: Unplug the unit before accessing the blower.

  • 1. Clean filter: Wash and dry the filter thoroughly.
  • 2. Inspect blower wheel: Remove the front panel and inspect the blower wheel for heavy dust buildup. Clean with a brush and vacuum.
  • 3. Check for obstructions: Look for plastic bags, insulation, or other debris inside the air path.
  • 4. Test fan speeds: After reassembly, test all fan speeds. If speeds do not change or remain weak, the fan motor or its capacitor may be failing and should be replaced.
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Repair Difficulty

Medium 3/5

Required Part

Indoor Fan Motor / Blower Wheel
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