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Error code · Haier

E4 · Cooling fan failure

The cooling fan has failed, which may lead to overheating. Check for any foreign objects obstructing the fan and restart the appliance.

Extractor hoodCaution — Know When to StopFixLens verified
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Safe first steps

  1. Unplug the extractor hood from the power source to ensure safety.
  2. Inspect the cooling fan for any foreign objects that may be obstructing it.
  3. Remove any obstructions found in the cooling fan area.
  4. Plug the extractor hood back in and restart the appliance to check if the fan operates correctly.
  5. If the cooling fan still does not operate after clearing obstructions, arrange a service visit — do not use the appliance.

When to stop

  • Stop if you see smoke or smell burning — risk of fire

Likely cause

The cooling fan has failed, which may lead to overheating. Check for any foreign objects obstructing the fan and restart the appliance.

Verification

Reviewed by: automated manual extraction

Verified against Haier HAIH82MTMCF technical documentation

FixLens publishes its own structured technical logic verified against Haier HAIH82MTMCF documentation · last verified April 23, 2026.

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