How to Check Whirlpool Refrigerator Evaporator Fan Motor

If your Whirlpool refrigerator isn’t cooling properly or making strange noises, it might be due to a faulty evaporator fan motor. This is one of the key components that helps circulate cold air through the refrigerator. In this guide, we’ll walk you through the steps to check and fix the evaporator fan motor, so your fridge can keep things cool again. Don’t worry, it’s easier than it sounds!

Step-by-Step Guide to Checking the Evaporator Fan Motor

When your Whirlpool refrigerator isn’t cooling properly, the evaporator fan motor could be the culprit. The evaporator fan motor is responsible for circulating cold air throughout the fridge and freezer. A malfunctioning motor can lead to uneven temperatures, excessive frost buildup, or strange noises. Luckily, checking the evaporator fan motor is not too difficult. In this section, we will go through each step in detail so you can troubleshoot and potentially fix it yourself.

Step 1: Safety First – Unplug the Refrigerator

Before you begin any repair work, it’s essential to ensure your safety. The first step is to unplug the refrigerator from the power outlet. This will prevent electrical shock or any accidents while you are working on the appliance.

If you have difficulty accessing the power plug, you may want to turn off the refrigerator’s circuit breaker instead. This will cut off the electricity supply and ensure that you are working in a safe environment.

Step 2: Locate the Evaporator Fan Motor

The evaporator fan motor is typically located behind the rear wall of the freezer section. To access it, you will need to remove the freezer shelves and other items blocking your way. Once everything is cleared, look for the rear panel inside the freezer. You may need to use a screwdriver to remove any screws holding the panel in place.

Once the rear panel is removed, you should see the evaporator fan motor. The fan is usually connected to the motor with a small blade. If you look closely, the fan motor will be mounted to the rear wall of the freezer compartment.

Step 3: Inspect the Evaporator Fan Blades

Before testing the fan motor itself, check the fan blades for any visible signs of damage or obstruction. If the blades are clogged with ice, dust, or food debris, this can prevent them from spinning properly, causing poor air circulation. You can clean the fan blades with a soft cloth or a small brush to remove any buildup.

If the blades are cracked, chipped, or otherwise damaged, the fan motor may not function correctly. In this case, you’ll need to replace the fan blades before moving forward with testing the motor itself.

Step 4: Check for Ice Buildup Around the Evaporator Fan

If you notice any excessive ice buildup around the evaporator fan motor, this can block airflow and cause the motor to work inefficiently or fail completely. Ice buildup can be caused by a variety of issues, including a defrost cycle problem or clogged drainage.

To address the ice, you’ll need to remove the ice buildup carefully. A hairdryer can be used to melt the ice if necessary, but make sure to avoid excessive heat near plastic components. Once the ice is cleared, take a moment to inspect the area for any other issues like cracks or broken seals.

Step 5: Test the Evaporator Fan Motor Using a Multimeter

After making sure that the fan blades are clear and there is no ice buildup obstructing the fan, it’s time to test the evaporator fan motor itself. A multimeter is the best tool for this job as it can help you check the electrical continuity and voltage of the motor.

Set your multimeter to the “Ohm” setting to measure resistance. Connect the multimeter’s probes to the fan motor’s terminals (the two metal connectors where the wires are attached). If the multimeter shows zero or near-zero resistance, this indicates a short circuit, meaning the motor is faulty and needs to be replaced.

If the resistance reading is infinite, it means the motor has no continuity, and it is also defective. In either case, it’s time to replace the evaporator fan motor.

Step 6: Check the Fan Motor’s Electrical Supply

Next, check the electrical supply to the evaporator fan motor. Plug the refrigerator back in and use your multimeter to measure the voltage at the fan motor terminals. Set your multimeter to the “AC voltage” setting and measure the voltage while the fridge is running. If you get a voltage reading that is significantly lower than expected, there could be an issue with the refrigerator’s wiring, circuit board, or other electrical components.

In this case, it’s a good idea to consult a professional technician, as repairing electrical issues can be complicated and requires specific expertise.

Step 7: Listen for Noises Coming from the Fan

Another way to check the evaporator fan motor is by listening for any unusual noises. The fan motor is usually silent when functioning properly, but a faulty motor may produce grinding, buzzing, or rattling sounds. These noises can be caused by worn-out bearings or internal motor damage.

To isolate the sound, you can open the refrigerator and freezer doors and stand next to the appliance. If you hear any abnormal sounds coming from the back of the freezer, it could indicate that the evaporator fan motor is malfunctioning. If the noise is loud or persistent, it’s time to replace the motor.

Step 8: Test the Fan Motor’s Blade Movement

Another useful test is to check if the fan blades are moving freely. You can manually spin the fan blades to see if they turn smoothly. If the blades do not spin easily or if they feel stuck, there may be an issue with the motor or the fan assembly.

At this point, you may want to remove the motor completely to inspect it for any signs of wear or damage, such as burnt wires or melted components. If you find any issues, replacing the motor will solve the problem.

Step 9: Reassemble and Test the Refrigerator

Once you’ve checked the fan motor and completed the necessary repairs, it’s time to put everything back together. Reinstall the rear panel in the freezer, making sure it’s securely fastened. Put the shelves back in place and load the freezer and refrigerator with food again.

Before you plug the refrigerator back in, take a moment to ensure that all the parts are reassembled correctly. Once everything is back in place, plug the refrigerator back in and monitor the fan motor. Listen for any unusual sounds and check the cooling performance over the next 24 hours. If the fridge starts cooling as it should and the fan motor runs quietly, you’ve successfully fixed the issue.

Step 10: When to Call a Professional

If you’ve gone through all these steps and the evaporator fan motor is still not working, it may be time to call a professional. Sometimes, the problem can be related to more complex issues, like a malfunctioning thermostat or control board, which require specialized knowledge and equipment to repair.

In such cases, it’s always better to reach out to a certified technician to prevent further damage to the refrigerator. They’ll be able to diagnose the issue accurately and make the necessary repairs quickly.

How to Replace a Faulty Evaporator Fan Motor

If you’ve tested your Whirlpool refrigerator’s evaporator fan motor and found that it’s faulty, it’s time to replace the motor. This task can be a bit more involved than troubleshooting, but with the right tools and instructions, you can complete the repair yourself.

Step 1: Gather the Necessary Tools and Replacement Parts

Before you begin replacing the evaporator fan motor, you’ll need a few tools. These typically include:

A screwdriver (usually Phillips-head)
A multimeter
A replacement evaporator fan motor (make sure it’s compatible with your Whirlpool refrigerator model)
A hairdryer or heat gun (optional for defrosting)
A towel or sponge for cleaning

You can purchase a replacement evaporator fan motor at most appliance stores or online. Make sure to buy the correct model for your refrigerator. If you’re unsure, you can always contact Whirlpool customer service with your refrigerator’s model number to ensure compatibility.

Step 2: Disconnect the Refrigerator from the Power Source

As with the troubleshooting steps, always start by unplugging the refrigerator or turning off its circuit breaker to ensure your safety.

Step 3: Remove the Freezer Rear Panel

To replace the evaporator fan motor, you’ll need to remove the rear panel inside the freezer. Use a screwdriver to remove any screws holding the panel in place. After removing the screws, gently pull the panel out and set it aside.

Step 4: Disconnect the Fan Motor Wires

The evaporator fan motor will have wires connected to it. Take note of where each wire is attached so you can reconnect them correctly later. You may want to take a photo or make a quick sketch of the wire connections before disconnecting them.

Use a screwdriver to carefully disconnect the motor from the freezer wall if it’s screwed in place. If there are clips or other fasteners, remove them as well.

Step 5: Remove the Old Motor and Install the New One

Once the old motor is disconnected, you can remove it from the freezer compartment. Place the new evaporator fan motor in the same position and align it with the mounting holes. Secure it with the screws or clips that were used for the original motor.

Reconnect the fan motor wires to the correct terminals, making sure the connections are secure.

Step 6: Reassemble the Freezer and Test the Motor

Reinstall the rear panel inside the freezer and secure it with screws. Make sure everything is back in place and no wires are left loose. Once the panel is reattached, plug the refrigerator back in and test the motor.

Turn the refrigerator on and listen for the fan motor’s operation. If it’s working correctly, you should hear the fan spinning without any unusual sounds.

Step 7: Monitor the Refrigerator’s Performance

After replacing the motor, keep an eye on your refrigerator for the next few days. Make sure the fridge and freezer are both cooling properly. If the refrigerator is running efficiently and quietly, you’ve successfully replaced the evaporator fan motor.

I hope this article helped you understand how to check and replace the evaporator fan motor in your Whirlpool refrigerator. By following these steps, you can save money on repairs and ensure your fridge stays in top working condition. Remember, if you’re ever unsure, don’t hesitate to contact a professional for help!

Frequently Asked Questions

Is it dangerous to check the evaporator fan motor?

No, as long as you unplug the refrigerator before starting your work, it’s not dangerous. Just make sure to follow safety precautions and work carefully.

Can a broken evaporator fan motor affect the cooling of the refrigerator?

Yes, a malfunctioning evaporator fan motor can lead to poor cooling performance. The fan is responsible for circulating cold air, so if it’s not working, the fridge won’t cool properly.

Do I need to defrost the evaporator fan before checking it?

It’s a good idea to check for ice buildup before inspecting the fan motor. If there’s ice, carefully remove it before proceeding with the inspection.

Is it easy to replace an evaporator fan motor?

Replacing the evaporator fan motor is a manageable task for those with basic appliance repair skills. If you follow the steps carefully, you can do it yourself.

Can I fix the evaporator fan motor without replacing it?

Sometimes, you can fix the motor by cleaning or lubricating it. However, if the motor is damaged or faulty, replacement is usually necessary.

Is the evaporator fan motor noisy when it works properly?

A properly working evaporator fan motor should be relatively quiet. If it makes a grinding or rattling sound, it may be failing.

Do I need special tools to check the fan motor?

A multimeter is the most important tool for testing the evaporator fan motor. Basic tools like a screwdriver are also needed to remove panels and secure the motor.

Is it worth calling a professional to fix the fan motor?

If you’re not comfortable with electrical repairs or if the issue is more complex, it’s worth calling a professional. They can diagnose the problem more quickly and safely.