Electrolux Defrost System Failure

Outdoor unit covered in ice during heating mode

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.

Possible Causes

Faulty outdoor coil sensor, Defective reversing valve, Defrost control failure on the PCB, Low refrigerant charge

Safety: Do not attempt to chip ice off with sharp tools, as this may damage the coil.

Steps:

Turn off unit: Allow ice to melt naturally or use warm (not hot) water to assist the process.
Clear airflow: Remove snow, leaves, and debris around the outdoor unit.
Observe defrost: After restarting in heating mode, check if the unit periodically enters defrost mode (fan stops, steam may appear). If not, the defrost system is likely defective.

A technician should test the outdoor coil sensor, the operation of the reversing valve, and the defrost control logic.

Hard 4/5

Outdoor Coil Temperature Sensor (NTC)

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