Liebherr
Partial Evaporator Frost Blockage / Restricted Airflow
Freezer cold but refrigerator only slightly cool; ice buildup visible on rear freezer wall.
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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
Defrost system partially failing, Door gasket leak causing excess moisture, Blocked return air ducts, Evaporator fan running weakly
How to Fix / Troubleshooting
Safety first: Unplug the refrigerator. Prepare towels for water from melting ice.
Step-by-step:
- Manual defrost: Empty the freezer and refrigerator, leave doors open, and allow 24 hours for complete defrost. Do not use sharp tools to remove ice.
- Clean gaskets: Wipe door seals and check for tears or warping. Replace damaged Liebherr door gaskets.
- Check fan operation: After defrosting and restoring power, confirm that the evaporator fan runs smoothly.
- Monitor: If heavy frost returns within a week, the defrost heater, sensor, or control board likely needs professional diagnosis and replacement.
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Repair Difficulty
Medium
3/5
Required Part
Door Gasket or Defrost System Components
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