Display shows ER 25, fresh food section may show frost on the back wall or poor cooling.

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

Open refrigerator defrost heater, Failed refrigerator defrost thermostat, Faulty refrigerator defrost thermistor, Main PCB defrost control failure

Safety: Unplug the refrigerator before removing panels.

This code indicates the refrigerator compartment defrost system is not operating.

Check for frost: Remove the rear interior panel of the fresh food section. If the evaporator is encased in ice, defrost failure is confirmed.
Test heater and thermostat: Inspect for visible damage and test continuity with a multimeter.
Clear ice: Fully defrost the evaporator as a temporary measure.

Permanent repair requires replacing the failed defrost component(s) and possibly the control board.

Professional Required 5/5

Refrigerator Defrost Heater

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