Sharp Poor Condenser Heat Rejection / Refrigerant System Inefficiency

Refrigerator runs constantly and never cycles off, but temperatures are only slightly cool.

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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

Dirty condenser coils, Failed condenser fan motor, Low refrigerant charge due to leak, Weak compressor

How to Fix / Troubleshooting

Safety: Unplug the refrigerator before cleaning coils or accessing the rear compartment.

Steps:

  • Clean condenser coils: Pull the unit away from the wall. Use a coil brush and vacuum to remove dust from coils under or behind the fridge.
  • Check condenser fan: With power on briefly, verify the fan near the compressor runs when the compressor runs. If not, unplug and test/replace the fan motor.
  • Check door seals: Inspect gaskets for gaps or tears that allow warm air in, causing long run times.
  • Monitor performance: After cleaning and fan checks, allow 24 hours. If cooling remains weak and the compressor runs almost nonstop, a sealed system issue (leak or weak compressor) is likely.

Sealed system repairs require specialized tools and should be performed by a licensed refrigeration technician.

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Repair Difficulty

Hard 4/5

Required Part

Condenser Fan Motor
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