Balay
Uneven Evaporator Frost Pattern
Freezer interior back wall shows only partial frost pattern; some sections remain bare while others are iced.
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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
Partial refrigerant loss, Restricted capillary tube, Internal evaporator blockage, Weak compressor
How to Fix / Troubleshooting
Safety: Do not puncture or attempt to repair the evaporator. Unplug the freezer before removing panels.
- Defrost and inspect: Fully defrost the freezer and then run it for several hours. Remove the inner rear panel to observe the frost pattern on the evaporator.
- Evaluate pattern: Even frost across most of the coil is normal. Frost only near the inlet or in small patches suggests a sealed system issue.
- Clean condenser and ensure ventilation: Perform basic maintenance to rule out airflow issues.
Uneven frost patterns almost always require a certified refrigeration technician to diagnose and repair the sealed system.
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Repair Difficulty
Professional Required
5/5
Required Part
Evaporator Coil / Sealed System
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