See how to use continuity checks to identify the problem and make sure that the fan motor, electronic control board and the wiring that connects them are work correctly. Finally, if the motor does not run at all, use a multimeter to test the motor windings for continuity. It turns out that ice builds up on the evaporator (due to bad design of the defrost circuit), and eventually hits the fan blades, causing the racket.


To determine if the thermistor is defective, test it with a multimeter. Need help finding the right filter for your refrigerator?Use your Sears.com account and we will show you the models you purchased at Sears.If your refrigerator isn’t cooling well and the fan on the inside back wall of the appliance isn’t running or blowing cool air like usual, you might need to replace the evaporator fan.

This video from Sears PartsDirect shows how to troubleshoot problems with your refrigerator’s evaporator fan, including using continuity checks to identify the problem and make sure that the fan motor, electronic control board and the wiring that connects them are working correctly.Choose a symptom to see related refrigerator repairs.These step-by-step repair guides will help you safely fix what’s broken on your refrigerator.If the temperature in your refrigerator doesn't match the temperature you set, the problem could be the temperature control board—a service technician can give you a definite diagnosis.

If the defrost control board fails, the refrigerator will not run the defrost cycle, and frost will continue to accumulate on the evaporator coils. If the fan blade does not turn freely, replace the fan motor. If your refrigerator isn't cooling and you don't hear the fridge fan running, this video guides you through diagnosing what's wrong with the refrigerator evaporator fan. I needed to test a freezer condenser fan of a GE profile fridge this was my solution.

Symptom #2: Now fridge only getting to 41 although set for 36-38.

You can try carefully turning the blade by hand to see if the motor is defective. Response #1: Defrosted fridge. Already ordered? Get 9 volt battery making sure it is in the good range on the battery tester.
It has 4 wire connected to it and applying 12V to any pair at time does not cause it to run. To determine if the evaporator fan motor is defective, try turning the fan blade by hand. If the evaporator coils are frosted over, the airflow through the coils will be restricted, causing the refrigerator not to cool.

Checked evaporator fan and it was working and seemed to be getting proper voltage. The evaporator fan motor draws cold air over the coils and circulates it around the freezer. Additionally, if the motor is unusually noisy, replace it. If the windings do not have continuity, replace the evaporator fan motor..The air damper control opens and closes to let the proper amount of cold air into the refrigerator compartment. If the thermistor resistance does not change, or the thermistor does not have continuity, replace the thermistor.The temperature control board provides voltage to the compressor and fan motors. Additionally, if the motor is unusually noisy, replace it. The compressor fan was not working. The control board then regulates power to the compressor and evaporator fan based on the thermistor readings. Evaporator fan iced up.

After doing a lot of research on the Internet, I figured out that the evaporator fan, which circulates cool air inside the refrigerator, was probably the culprit. If the board is at fault, follow these steps to replace it yourself.Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water.The door gasket seals the gap around the door to keep the cold air in and the warm air out. Hold times are long. Add Tip Ask Question Comment Download. If the control board is faulty, it may stop sending voltage to the compressor or fan motors. If the fan motor doesn’t work properly the appliance won’t cool adequately. Single strand copper wire (I tried multi strand and it wouldn't stay on) Add Tip Ask Question Comment Download. Control boards are often misdiagnosed—before replacing the control board, first test all of the more commonly defective components. If the thermistor is defective, the compressor and evaporator fan may not run when necessary, or may run too frequently. Step 2: Strip and Twist. We've got millions of parts, hundreds of brands, and thousands of step-by-step videos— everything you need to find it, fix it and finish the job right.Enter model number to search for the required part specific to your productBrowse our parts categories to select from a variety of parts for your productEnter model number to search for the required part specific to your productBrowse our parts categories to select from a variety of parts for your productEnter model number to search for the required part specific to your productBrowse our parts categories to select from a variety of parts for your productEnter model number to search for the required part specific to your productBrowse our parts categories to select from a variety of parts for your productEnter model number to search for the required part specific to your productBrowse our parts categories to select from a variety of parts for your productWe carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need.Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips!Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips!Shipping all 7 days!

To test the evaporator fan motor of a refrigerator I know you can just test the resistance of the fan motor. If the defrost heater assembly is defective, frost will continue to accumulate on the evaporator coils, and the coils will become plugged with frost. If the damper does not open properly, it won’t let enough cold air into the refrigerator.

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