Danby Sealed System / Refrigerant Loss or Weak Compressor

Refrigerator runs constantly but does not get cold enough; sides may feel warm; no heavy frost 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

Refrigerant leak in evaporator or condenser, partially restricted capillary tube, weak compressor, internal sealed system contamination

How to Fix / Troubleshooting

Safety: Sealed system work involves refrigerant and requires EPA-certified technicians in many regions. Do not cut into sealed lines without proper training and equipment.

Homeowner checks before calling a technician:

  • Clean condenser coils: Pull the unit away from the wall and clean the condenser coils and fan area thoroughly to ensure proper heat dissipation.
  • Check door seals: Inspect gaskets for gaps or tears and ensure doors close fully.
  • Verify temperature settings: Set controls to recommended levels and allow 24 hours for stabilization.
  • Observe frost pattern: If you can access the evaporator, a normal system will show a light, even frost across most of the coil. A sealed system problem often shows only a small patch of frost near where the refrigerant enters the evaporator.
  • Call a professional: If basic checks do not resolve the issue and the frost pattern suggests a sealed system fault, contact a qualified refrigeration technician. They can check pressures, locate leaks, and repair or replace the compressor or evaporator as needed.
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Repair Difficulty

Professional Required 5/5

Required Part

Compressor
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