Combined refrigerator fan/defrost error; fresh food section may ice up and fan may be noisy or stop.

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

Partially failed defrost heater causing ice buildup, Fan motor overloaded by ice, Faulty defrost thermostat or sensor, Main PCB defrost control issue

Safety: Unplug before servicing.

Defrost evaporator: Remove the fresh food rear panel and fully defrost the evaporator and fan area.
Test heater and thermostat: Check continuity of the refrigerator defrost heater and thermostat when cold.
Inspect fan: After defrosting, ensure the fan spins freely. Replace if noisy or stiff.
Replace faulty components: Install new heater, thermostat, or fan as required. If issues persist, the main PCB may need replacement.

Hard 4/5

Refrigerator Defrost Heater

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