Dacor Defrost System Failure

Ice buildup on the back wall of the freezer or refrigerator compartment.

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

Failed defrost heater, Defective defrost thermostat, Faulty defrost control on main PCB, Damaged defrost thermistor

Safety: Unplug the refrigerator before defrosting.

Manual defrost: Remove food, open doors, and allow all ice to melt. Use towels to absorb water.
Inspect components: After defrosting, remove the rear panel and visually inspect the heater and thermostat for damage.
Monitor recurrence: If heavy frost returns within days, the defrost system components must be tested and replaced as needed.

Hard 4/5

Defrost Heater

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