Liebherr Overheating / Lint Ignition Risk

Dryer emits a burning smell or very hot odor during operation.

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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

Heavy lint buildup on heater or in exhaust duct, Foreign object touching heater, Blocked airflow causing heater to overheat, Failing motor or belt slipping and burning

How to Fix / Troubleshooting

Safety first: Immediately stop the dryer, unplug it, and do not use it again until the cause is found. If you see smoke or flames, call emergency services.

  • Inspect lint filter and ducts: Remove all lint from the filter, filter housing, and exhaust duct. Clean the entire vent path to the outside.
  • Check heater area: Remove the rear or side panel and inspect the heater housing for lint accumulation or foreign objects. Vacuum carefully without damaging components.
  • Inspect belt and motor: Look for signs of belt slippage (burn marks, rubber smell) or overheating motor (discoloration, strong electrical odor). Replace worn parts.
  • Test cautiously: After thorough cleaning and inspection, run a short cycle while monitoring for any smell. If odor persists, have the dryer inspected by a professional.
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Repair Difficulty

Medium 3/5
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