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HomeRepair HelpElectrolux Refrigerator RepairElectrolux Refrigerator defrost drain clogged Repair

Electrolux Refrigerator defrost drain clogged

If your Electrolux refrigerator has a defrost drain clogged, you’ll usually see water overflowing the drain trough, pooling in the fridge or freezer, or ice building up in the drain tube. The most common cause is a failing evaporator fan motor that lets cold air migrate and freeze the drain, so start by checking whether the fan blade spins freely and test the motor windings with a multimeter if it won’t run. Next likely is a frozen or clogged defrost drain; try a turkey baster and warm water to clear the clog and confirm the drain tube trap is clear. A missing or mispositioned drain strap, which conducts heat from the defrost heater into the drain, can let the drain freeze. Less common causes include a defective drain heater, and finally a faulty main control board that stops the defrost cycle. If you need replacement parts for a clogged defrost drain or evaporator fan motor, enter your model number on RepairClinic.com to find the exact part that fits your refrigerator.

01 - Electrolux Refrigerator Fan Motor

If the refrigerator's defrost drain is clogged, it's possible the evaporator fan motor is not working. If the evaporator fan is not running, cold air from the evaporator can migrate to the defrost drain causing ice buildup in the drain. To determine if the evaporator fan motor is defective, try turning the fan blade by hand. If the fan blade does not turn freely, replace the fan motor. Additionally, if the motor is unusually noisy, replace it. Finally, if the motor does not run at all, use a multimeter to test the motor windings for continuity. If the windings do not have continuity, replace the evaporator fan motor.
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02 - Clogged or Freezing Defrost Drain

The defrost drain might be clogged or frozen. If the defrost drain is frozen, the water will overflow the drain trough and drip down to the bottom of the compartment. You can use a turkey baster and warm water to help clear out a frozen defrost drain and tube. You should also make sure the drain tube trap is clear by the drain pan.
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03 - Electrolux Refrigerator Drain Strap

Some defrost drains are outfitted with a drain strap. The drain strap is a small piece of copper or aluminum that attaches to the defrost heater and extends partway into the defrost drain. When the defrost heater turns on, heat is conducted through the drain strap to melt away any ice that may have accumulated further down in the defrost drain. If the drain strap is not in place, the defrost drain may be more likely to freeze over.
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04 - Electrolux Refrigerator Evaporator Fan Motor

If the refrigerator's defrost drain is clogged, it's possible the evaporator fan motor is not working. If the evaporator fan is not running, cold air from the evaporator can migrate to the defrost drain causing ice buildup in the drain. To determine if the evaporator fan motor is defective, try turning the fan blade by hand. If the fan blade does not turn freely, replace the fan motor. Additionally, if the motor is unusually noisy, replace it. Finally, if the motor does not run at all, use a multimeter to test the motor windings for continuity. If the windings do not have continuity, replace the evaporator fan motor.
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05 - Electrolux Refrigerator Drain Heater

Some refrigerators are equipped with drain heaters. Drain heaters prevent the water in the drain pan from re-freezing and clogging the defrost drain. If your drain heater is defective or is not in the proper position, the defrost drain might freeze over.
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06 - Electrolux Refrigerator Main Control Board

The main control board regulates the power supply to all of the refrigerator components, including the defrost system. If the main control board is defective, it may stop sending voltage to the defrost system which can lead to the defrost drain becoming clogged with ice. Control boards are frequently misdiagnosed—before replacing the main control, first test all of the defrost system components. If none of the defrost system components are defective, consider replacing the control board.
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Less Common

Frequently Asked Questions

Why is my defrost drain clogged?
How do I test the evaporator fan motor when the defrost drain keeps freezing?
What is a drain strap or drain heater and how do they prevent a clogged defrost drain?
Where is the defrost drain located and how do I clear it?
How do I find and buy the correct replacement part on RepairClinic.com for my model?

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