Whirlpool microwave display not working

If your Whirlpool microwave display isn’t working, it can be incredibly frustrating. Whether it’s a completely blank screen or just an unresponsive touchpad, it’s tough to use your microwave without a working display. But don’t panic just yet! There are several common reasons why the display might not be functioning, and many of them are easy to fix. In this guide, we’ll walk you through possible causes of the issue and offer helpful troubleshooting tips to get your Whirlpool microwave back to normal.

Key reasons for the problem:

35% of reported issues are the

Defective Electronic Control Board

25% of reported issues are the

Blown Thermal Fuse or Temperature Thermostat

15% of reported issues are the

Faulty Door Interlock Switch

25% of reported issues are the

All Other Causes

Diagnostic and troubleshooting steps

Whirlpool Microwave Display Not Working? Follow the steps below to troubleshoot common issues like a blown fuse, faulty control board, or loose ribbon cable connection behind the display panel.

Step 1:

Check the Power Source

Unplug your microwave and plug it back into a known working outlet.
If you’ve been using a power strip, try plugging the microwave directly into the wall.

Step 2:

Reset the Microwave

Unplug the microwave from the wall and leave it unplugged for about 5 minutes.
Afterward, plug it back in and check if the display starts functioning again.

Step 3:

Inspect the Fuse

Unplug the microwave, remove the outer panel, and locate the fuse.
Use a multimeter to check for continuity. If the fuse is blown, it will need to be replaced.

Step 4:

Examine the Control Board

If you feel comfortable, carefully remove the control panel to access the control board.
Check for signs of visible damage like burned spots or corrosion. If damaged, the board will need to be replaced.

Step 5:

Check for Loose or Damaged Wiring

Carefully inspect the wiring inside the microwave, especially around the control board and display.
Look for any signs of loose connections or exposed wiring.

Step 6:

Inspect the Keypad

Test the keypad by pressing various buttons and checking if the microwave responds in any way. =
You can also use a multimeter to test the keypad for electrical continuity.

Step 7:

Test for Electrical Surges or Power Issues

Check the circuit breaker to ensure the microwave is on a dedicated line.
You may also want to try plugging the microwave into a surge protector to see if that resolves the issue.

Step 8:

Call a Professional Technician

Contact a certified Whirlpool repair technician to diagnose and fix the issue.

Key actions for homeowners:

Ensure that the microwave is plugged into a working outlet.
Avoid overloading the microwave.
Keep the microwave clean.
Regularly reset your microwave.

Most common repairs needed to fix a whirlpool microwave

When your microwave’s display isn’t working, certain repairs are more commonly required than others. Below are the most frequent fixes:

Replace a Blown Fuse:
A blown fuse is one of the most common causes of a non-working microwave display. To fix it, use a multimeter to test the fuse for continuity. If it’s blown, you’ll need to replace it with an identical part. This is a relatively simple DIY repair that only requires basic tools like a screwdriver and a multimeter.
Replace the Microwave’s Thermal Fuse (If Equipped):
The thermal fuse acts as a safety mechanism, shutting off the microwave if it overheats. Use a multimeter to test the thermal fuse for continuity. If it has blown, replace it with a compatible part. Make sure to investigate the cause of overheating to prevent the new fuse from blowing again. This often requires disassembling the microwave to access the fuse.
Repair Power Supply Issues:
Sometimes, the issue with the microwave display may stem from a power supply problem. Inspect the power cord for any visible damage or fraying. You should also test the wall outlet with another appliance to ensure it’s providing a stable power supply. If the microwave is plugged into a power strip, try plugging it directly into the wall. If you suspect a deeper electrical issue, it’s best to consult a licensed electrician to inspect the power supply.

Frequently Asked Questions

Why is the display on my Whirlpool microwave not working?
The most common reasons for a Whirlpool microwave display not working include a blown fuse, a faulty control board, a damaged keypad, or wiring issues. These components are responsible for powering the display, and if any of them malfunction, the display can stop functioning. Power issues, like a loose plug or a faulty outlet, can also prevent the display from working.
How can I reset my Whirlpool microwave if the display isn't working?
To reset your Whirlpool microwave, unplug it from the power outlet and leave it unplugged for about 5 minutes. After the waiting period, plug it back in and check if the display is functioning. This simple reset can often resolve minor glitches caused by temporary software issues or electrical surges.
Can I fix a blown fuse in my Whirlpool microwave myself?
Yes, replacing a blown fuse in a Whirlpool microwave is a relatively simple DIY repair. You'll need to unplug the microwave, locate the fuse behind the control panel, and use a multimeter to check for continuity. If the fuse is blown, replace it with a compatible replacement part. Make sure to follow safety precautions when working with electrical components.
When should I call a professional to fix my Whirlpool microwave display?
If you've tried the basic troubleshooting steps, like resetting the microwave, checking for power issues, or replacing the fuse, and your Whirlpool microwave display is still not working, it's best to call a professional. Repairing the control board, dealing with electrical issues, or replacing damaged wiring can be complex and may require a technician with specialized knowledge and tools. A professional can safely diagnose and fix the issue.

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