Ebac Persistent Frost / Defrost Failure

Visible frost or ice buildup on the evaporator coil that does not clear

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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

Defective evaporator temperature sensor, Poor airflow due to dirty filter, Low ambient temperature, Low refrigerant charge

How to Fix / Troubleshooting

Safety: Unplug the unit and allow ice to melt before working on it. Water may drip; protect floors.

Steps:

  • 1. Defrost fully: Leave the unit unplugged until all ice has melted. Do not chip ice with sharp tools.
  • 2. Clean airflow path: Wash the filter and vacuum dust from the evaporator and condenser coils.
  • 3. Ambient check: Ensure the room temperature is within the unit's specified range. Very cold rooms will cause frequent icing.
  • 4. Sensor inspection: Confirm the evaporator sensor is correctly attached to the coil and not damaged. Replace if suspect.
  • 5. Professional evaluation: If icing persists despite good airflow and correct ambient temperature, a refrigeration technician should check for low refrigerant or system restrictions.
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Repair Difficulty

Hard 4/5

Required Part

Evaporator NTC Temperature Sensor
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