Electrolux
Airflow Restriction Due to Frosted Evaporator
Freezer cold but fresh food section warm; ice buildup on back wall of freezer.
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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 heater failure, Defrost thermostat stuck open, Defrost sensor (NTC) out of range, Blocked air return vents between freezer and fresh food
How to Fix / Troubleshooting
Safety first: Unplug the refrigerator before removing interior panels.
- Manual defrost: Remove freezer contents and rear panel. Allow all ice on the evaporator and air channels to melt completely. Use towels to catch water; do not use sharp tools.
- Clear vents: Ensure the air return vents from fresh food to freezer are not blocked by ice or food packages.
- Test defrost components: After defrosting, test the defrost heater, thermostat, and sensor with a multimeter. Replace any failed parts.
- Monitor: Reassemble and run the unit. If frost rapidly returns within a week, the defrost system still has an unresolved fault or the control board is not initiating defrost.
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Repair Difficulty
Hard
4/5
Required Part
Defrost Heater
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