How to Run a Diagnostic on a KitchenAid Refrigerator

Knowing how to run a diagnostic test on your KitchenAid refrigerator can help you quickly pinpoint any potential problems and determine the necessary repairs. In order to diagnose an issue with your KitchenAid refrigerator, you’ll need the right tools, a step-by-step guide to running the diagnostic, and the ability to interpret the results.

What Tools You Need to Run a KitchenAid Refrigerator Diagnostic

To run a diagnostic test on your KitchenAid refrigerator, you’ll need a few specialized tools. Have a multimeter and refrigerator/freezer thermometer on hand. Consider wearing safety glasses and protective gloves while you’re working on your refrigerator.

Step-by-Step Guide to Running a Diagnostic on Your KitchenAid Refrigerator

Before running a diagnostic test, check for common signs for a faulty refrigerator, like a lack of power, unusual sounds, insufficient cooling, or puddles of water underneath. If none of these symptoms are present, turn off the power to your refrigerator and prepare to run a diagnostic test.

Step 1: Use a multimeter to test the voltage of the appliance. Locate the outlet your refrigerator is plugged into and plug in the multimeter. Select the appropriate voltage readings on the multimeter, and then plug in the refrigerator to the outlet. If the voltage reading is below 110-120 volts, then check the outlet wiring.

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Step 2: Check the condenser brushes. Unplug the refrigerator from the wall outlet and locate the condenser brushes on the back side of the unit. If these are worn down and need replacing, purchase new brushes from an appliance store and replace them yourself. If you don’t feel comfortable doing this yourself, call a certified technician to replace them for you.

Step 3: Watch for any refrigerant leaks. Tour of the appliance for any tell-tale signs of refrigerant leaks, including yellowish-green stains or a powder-like residue near any rubber seals or joints.

Step 4: Check the temperature levels. Using your refrigerator/freezer thermometer, take temperature readings of both the refrigerator and freezer sections of your refrigerator. Be sure to take readings in all three compartments: the main refrigerator section, the freezer section and under the vegetable crisper drawers in the refrigerator.

Step 5: Perform an evaporator fan test. With the power still off, find the evaporator fan, which should be located behind the liner in the freezer section. Using a long plastic tool, lightly nudge the fan blade to see if it is still working properly. If it starts rotating, it’s an indication that the evaporator fan is in working order.

Common Symptoms of a Faulty KitchenAid Refrigerator

If you’re experiencing any of these common problems with your KitchenAid refrigerator, it might be time for you to run a diagnostic test to determine what’s causing the issue.

  • The refrigerator isn’t keeping proper temperatures
  • The unit is making unusual noises
  • The fridge isn’t cooling effectively
  • Ice is forming inside the refrigerator/freezer section
  • The condenser coils are dirty/clogged
  • The door gasket is worn and needs replacing
  • The door isn’t sealing properly with its frame
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Troubleshooting Tips for Issues with Your KitchenAid Refrigerator

Some common troubleshooting tips to help you identify what might be wrong with your KitchenAid refrigerator before running a diagnostic test include:

  • Checking internal temperatures and adjusting temperature levels if needed
  • Cleaning the condenser coils if they’re dirty/clogged
  • Replacing any worn door gaskets
  • Verifying that the door is sealing properly with its frame
  • Testing to make sure the evaporator fan is working properly

How to Reset the Diagnostic Test on Your KitchenAid Refrigerator

If you experience any trouble running a diagnostic test on your KitchenAid refrigerator, try resetting it. To do this, first unplug your refrigerator from the wall outlet. Wait 30 seconds before plugging it back in, and then press and hold down the “reset” button for 5 seconds. This should reset any fault codes in your refrigerator and allow you to run a new diagnostic test from scratch.

How to Interpret the Results of Your KitchenAid Refrigerator Diagnostic Test

Once you’ve finished running a diagnostic test on your KitchenAid refrigerator, you need to interpret the results. Generally speaking, codes with numbers beginning with “1” indicate there is an issue with the compressor; codes beginning with “2” indicate there is an issue with the evaporator fan motor; codes beginning with “3” indicate there is an issue with one of the temperature sensors; and codes beginning with “4” indicate there is an issue with the defrost cycle.

How to Find and Use Manufacturer Resources for Your KitchenAid Refrigerator

After determining what’s causing any issues with your refrigeration unit, it’s important to find resources from KitchenAid to guide you in fixing them. To do this, search for “KitchenAid refrigerator troubleshooting” online. You can also find some great information available in user manuals and support documents from KitchenAid.

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Additional Tips for Maintaining and Troubleshooting Your KitchenAid Refrigerator

  • Make sure your refrigerator/freezer is level using a spirit level
  • Clean out any dirt or debris from your refrigerator coils
  • Clean off any dust or dirt on the evaporator fan
  • Check the Door Gaskets twice a year to ensure they are sealing properly
  • Replace air filters every 6 months