Hisense Airflow Restriction / Blower Obstruction

Hisense air conditioner indoor unit fan runs but no air comes out of vents or airflow is extremely weak.

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.

Possible Causes

Severely clogged air filters, Ice buildup on evaporator coil, Blower wheel packed with dust, Collapsed or blocked duct (ducted models)

Safety first: Turn off power before inspecting the blower and coil.

Step 1 – Remove and clean filters:
- Wash and dry filters thoroughly.
Step 2 – Check for ice:
- Open the front panel and inspect the coil for ice.
- If iced, turn the unit off and run FAN mode only until ice melts.
Step 3 – Inspect blower wheel:
- Look for heavy dust buildup on the blower blades.
- Clean with a soft brush or have a professional deep-clean the blower.
Step 4 – Duct inspection (if applicable):
- Check ducts for blockages or closed dampers.

Medium 3/5

Indoor Blower Wheel

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