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HomeRepair HelpNorge Refrigerator RepairNorge Refrigerator defrost drain clogged Repair

Norge Refrigerator defrost drain clogged

If you have water pooling in the fridge or ice building up under the evaporator, a defrost drain clogged problem is likely the cause. Start with the most common issues: an evaporator fan motor that is not running can let cold air migrate and freeze the drain, so try turning the fan blade by hand and, if it feels stiff or is noisy or dead, test the windings with a multimeter and replace the fan motor if needed. Next, clear a clogged or frozen defrost drain by flushing it with warm water using a turkey baster or by blowing compressed air through the drain tube, and check the drain tube trap at the drain pan. Inspect for a missing or damaged drain strap that conducts heat from the defrost heater down into the drain, and check the drain heater itself if your model has one. Only after you have tested the heater and other defrost components should you consider the main control board. Enter your model number on RepairClinic.com to find the exact replacement part for your refrigerator and step-by-step parts and repair guidance.

01 - Norge 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 - Norge 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 - Norge 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 - Norge 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 - Norge 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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Frequently Asked Questions

Defrost drain clogged: how do I clear a frozen defrost drain?
Freezer cold but fridge warm: could a clogged defrost drain cause that?
How do I know if the evaporator fan motor is bad?
What is a drain strap or drain heater and do I need one?
How do I find and buy the correct replacement part on RepairClinic.com?

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