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% of the time it's the Electronic Control Board
15% of the time it's the User Interface Control
12% of the time it's the Pump and Motor Assembly
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.
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.
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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.
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Luke was great. Polite and knowledgeable even though the dishwasher was older than he!
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Daniel went above and beyond to fix my dish washer. Very pleasant to deal with.
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Frequently Asked Questions
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Glossary Terms
A dishwasher gasket is a flexible seal that prevents water from leaking out of the dishwasher door during operation. It's crucial for maintaining the appliance's efficiency and preventing water damage.
A dishwasher impeller is a rotating component within the dishwasher's pump that circulates water throughout the unit during a wash cycle, ensuring efficient cleaning by spraying water at high pressure.
A dishwasher sump is located at the bottom of the dishwasher, serving as a collection point for water during the wash cycle. It houses the main pump and filter, facilitating the recirculation and drainage of water, essential for the cleaning process.
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.