Electrolux
Sealed System Undercharge or Restriction
Refrigerator runs constantly but does not reach set temperature; only partial frost pattern on evaporator.
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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
Low refrigerant charge due to leak, Restricted capillary tube or filter-drier, Weak compressor, Internal evaporator leak
How to Fix / Troubleshooting
Safety first: Do not attempt sealed system repairs without EPA certification and proper tools.
- Check condenser cleanliness: Before assuming sealed system issues, clean the condenser coils and ensure the condenser fan is running.
- Inspect frost pattern: With the rear freezer panel removed, a normal pattern is a light, even frost across most of the coil. Frost only at the inlet or a small section suggests a sealed system problem.
- Professional service: Sealed system diagnosis and repair (leak detection, evacuation, recharging, component replacement) must be performed by a qualified refrigeration technician.
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Repair Difficulty
Professional Required
5/5
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