How to Troublshoot a Refrigerator Fan

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In order to keep your refrigerator running efficiently, it is necessary to check every once in a while for things that could affect its normal operation. A common occurrence is finding dust or debris around the fan blade that keeps it from turning properly. Occasionally, you may find that the fan is not operating because of electrical or motor problems. If the fan blades are free of any obstacles, troubleshooting the refrigerator fan and electrical system can give you the answers you need to repair the appliance.

Things You'll Need

  • Screwdriver Clean, dry cloth Needlenose pliers Multitester
  • Move the refrigerator away from walls to allow free access to the back of the appliance. Unplug it and remove access the panel around the fan with a screwdriver. Inspect fan to make sure it is free of any dust, debris or anything that would keep it from operating properly. Clean dust off of fan with dry cloth.

  • Turn fan a few times to make sure it is not catching on anything and is able to turn freely. Remove the fan motor with a screwdriver and pull out of motor housing.

  • Locate the electrical wires on the back of the motor and mark wire placements so you can remember where they go when it's time to put them back. Remove the wire harness from the motor by pulling back on the terminal plug. Make sure you do not pull on the wires themselves. If the plug is resistant, gently pull it off with a pair of needlenose pliers.

  • Inspect the metal connectors inside the terminal plug to verify that they are not corroded. If they are, make sure you replace the plug. Use a multitester to check the continuity of the fan motor by setting the Ohms on "X10" and connecting the probes to the terminals inside the motor.

  • Verify that the motor terminals are giving a measurable reading above 0 ohms. If not, the motor needs to be replaced.

Tips & Warnings

  • Always unplug electrical appliances before attempting to work on them.

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