De'Longhi Evaporator Coil Icing

Frost or ice buildup on the front evaporator coil during cooling.

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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 air filter, Low fan speed with high humidity, Low refrigerant charge, Faulty evaporator temperature sensor

How to Fix / Troubleshooting

Safety first: Turn off and unplug the unit. Do not chip ice with sharp objects.

  • 1. Defrost: Leave the unit off until all ice melts. Place towels to catch water.
  • 2. Clean filter and coil: Wash filters and gently clean the coil fins.
  • 3. Increase fan speed: Use a higher fan speed to improve airflow and reduce icing.
  • 4. Check room conditions: Extremely low ambient temperatures can cause icing; ensure the room is within the operating range.
  • 5. Technician check: Persistent icing after cleaning may indicate low refrigerant or sensor issues requiring professional service.
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Repair Difficulty

Medium 3/5

Required Part

Evaporator Temperature Sensor (NTC)
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