Camry Evaporator Coil Icing

Dehumidifier freezes up with thick ice on the evaporator coil

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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 ambient temperature, Restricted airflow from dirty filter, Faulty defrost sensor, Low refrigerant charge

How to Fix / Troubleshooting

Safety: Unplug the Camry dehumidifier before defrosting. Do not chip ice with sharp tools.

Steps:

  • 1. Defrost: Turn off and unplug the unit. Allow all ice to melt naturally. Place towels under the unit to catch water.
  • 2. Clean airflow path: Wash the air filter and clean the evaporator coil fins with a soft brush and vacuum.
  • 3. Check room temperature: Use the unit only within the specified temperature range. In cold basements, consider raising the room temperature.
  • 4. Inspect defrost sensor: Ensure the defrost/evaporator NTC sensor is firmly attached to the coil and functioning (see E2/E9 procedures).
  • 5. Professional check: If icing recurs quickly despite good airflow and correct temperature, have a technician check refrigerant charge and system performance.

Tip: Running the fan-only mode for a short time after dehumidification can help dry the coil and reduce icing.

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Repair Difficulty

Medium 3/5

Required Part

Evaporator NTC Temperature Sensor
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