Dishwasher burning smell

Common reasons your dishwasher burning smell

The most common reasons your dishwasher has a burning smell are a defective electronic control board, damaged user interface control or a faulty pump and motor assembly.

  • 62%

    62% of the time it's the
    Electronic Control Board

  • 15%

    15% of the time it's the
    User Interface Control

  • 12%

    12% of the time it's the
    Pump and Motor Assembly

  • 11%

    11% of the time it's the
    Something else

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Common dishwasher repair parts you may need

Replacing one of these dishwasher parts may fix your problem.

Electronic Control Board Replacement

If you notice a burning smell coming from your dishwasher, it might be due to a faulty electronic control board. This board contains numerous wires and small components that can short out and emit a burning odor. Additionally, a defective electronic control board may send electrical current to the heating element at inappropriate times, resulting in a burning smell from inside the dishwasher tub. If you detect a burning odor from your dishwasher, it's advisable to have a Sears Home Services Repair Expert come to your home and replace the electronic control board if it's defective.

User Interface Control Replacement

If you notice a burning smell from your dishwasher, it might be due to a damaged user interface control. An electronic part on this control component could short out, creating an electrical burning smell. If you detect this smell, turn off the power and have a Sears Home Services Repair Technician inspect your dishwasher's controls and components at your home. If the user interface control is damaged, the technician will replace it.

Pump and Motor Assembly Replacement

If you notice a burning smell coming from your dishwasher while it's in operation, it could indicate a problem with the pump and motor assembly. The wiring inside the pump motor may emit a foul smell as the insulation heats up and begins to smoke. Additionally, a faulty motor bearing can produce a metallic burning smell. If you detect these odors from your dishwasher, it's important to schedule a service call and have a Sears Home Services Technician inspect the dishwasher. If the pump and motor assembly is found to be faulty, they will replace it.

Why would my dishwasher smell like it's burning?

The #1 cause of a burning smell coming from the dishwasher is a plastic item contacting the exposed heating element in the bottom of the dishwasher while the element is heating.

Open the dishwasher door and check for an item at the bottom of the tub next to the heating element. Remove the item if you find one.

Follow dishwasher loading guidelines to help prevent plastic items from falling down below the bottom dishrack and contacting the heating element.

dishwasher-no-flip-clip-in-use-in-a-dishrack

Use No-Flip Clips

Secure small, light-weight plastic items in the dishracks using no-flip clips so they don’t fly around inside the tub during the dishwashing cycle and make their way down next to the heating element.

If your dishwasher didn’t include no-flip clips, you can buy them as an accessory to help your dishes get cleaner and avoid that plastic burning smell.

Here’s a link for that part: No-Flip Dishwasher Clip.

Load Dishes Wisely

Follow the guidelines in your owner’s manual and in this video to smartly load dishes in your dishwasher to promote properly cleaning and avoid problems:

As shown in the video, wedging plastic lids between cups and glasses in the top rack will help them stay put during the wash cycle.

If you didn’t find a plastic item melted against the heating element when you detect a burning smell coming from your dishwasher, then a short in wiring or a component could be causing the problem.

For safety, disconnect power from the dishwasher and have a service technician examine the appliance before using it again.

What to expect when you experience a dishwasher burning smell issue

How to fix a problem with a burning smell in the dishwasher

Fixing most issues related to burning smells typically requires replacing either the electronic control board, user interface control, or pump and motor assembly. However, since there are numerous possible causes, a thorough diagnosis is crucial for resolving the problem. It's important to get an accurate diagnosis to understand the cost of the repair.

Use these Sears Home Services recommendations to resolve a dishwasher burning smell

When you discover that your dishwasher has a burning smell, there could be several reasons behind it. To prevent unnecessary part replacements, we suggest having a Sears Home Services professional conduct diagnostic tests to pinpoint the root cause of the problem. Our technicians have extensive experience in diagnosing all types of dishwasher failures.

What to be aware of with a dishwasher burning smell problem

Identifying issues with modern appliances can be hard without the right knowledge and training. Trying to fix your dishwasher problem without using proper diagnostic techniques might mean just guessing and changing parts. Appliances, especially in the last decade, have become very advanced, with lots of electronic parts that are tricky to test. Fixing the latest appliance models yourself is getting harder and harder.

A dishwasher that emits a burning smell can have overheated wiring or melting plastic. Running it further risks permanent damage or a safety hazard. Rather than waiting, call a dishwasher repair near me.

What our customers say about us

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Thorough

James called to give an estimated arrival time. He was professional and personable. He had 2 professional ideas of the problem and found 1 was correct, but he didn't stop there. He did a thorough check of the appliance. 1 small part was needed. He ordered the part to my house. Fortunately, he was able to schedule for the next week, just before Thanksgiving. As before, he called ahead, arrived and quickly fixed the problem. My appliance is working perfectly.


Kirsten A, Oxford, PA

Service Call

Luke was great. Polite and knowledgeable even though the dishwasher was older than he!


James G, Hillsboro, MO

Daniel

Daniel went above and beyond to fix my dish washer. Very pleasant to deal with.


Paul F, Hghlnds Ranch, CO

Frequently Asked Questions

Why is my dishwasher emitting a burning smell?
Possible causes include a plastic item resting against the heating element, a malfunctioning heating element, shorted wires or motor problems.
How can I fix my dishwasher if it’s emitting a burning smell?
Check the heating element, inspect the motor, and look for wiring failures in the electrical system.
Could an overheating motor cause my dishwasher to have a burning smell?
Yes, an overheating motor can produce a burning odor.
What should I do if my dishwasher is emitting a burning smell?
Inspect the heating element and motor for issues, and check for any wiring problems.

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Glossary Terms

A dishwasher turbidity sensor is an advanced feature that measures the level of food particles and debris in the water, allowing the dishwasher to adjust the wash cycle length and water usage for optimal cleaning efficiency.

Hard water is water that contains high levels of dissolved minerals, particularly calcium and magnesium. It contrasts with soft water, which has lower concentrations of these minerals.

An astragal is a molding or strip that covers or seals the gap between the edges of a pair of doors or windows. Its primary functions are to provide a weather seal, improve security, and improve the aesthetic appearance of door and window assemblies.

A dryer drum is the main interior component of a clothes dryer where clothes are placed to be dried. It rotates during the drying cycle, allowing heated air to circulate through the clothes.

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