KitchenAid dishwasher burning smell
Common reasons your KitchenAid dishwasher has a burning smell
The most common reasons your KitchenAid dishwasher has a burning smell are a defective electronic control board, damaged user interface control or a faulty pump and motor assembly.
66% of the time it's the Electronic Control Board
15% of the time it's the User Interface Control
13% of the time it's the Pump and Motor Assembly
6% of the time it's the Something else
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Most common repairs needed to fix a KitchenAid dishwasher
Electronic Control Board Replacement
A burning smell coming from your dishwasher could be caused by a defective electronic control board. The circuit board has a myriad of wires and small components that can short out and burn up – causing a burning smell. Also, defective electronic control board can send electrical current to the heating element at the wrong time and cause a burning smell to come from inside the dishwasher tub. When you smell a burning odor coming from your dishwasher, have a Sears Home Services Repair Expert visit your home and replace the electronic control board if it’s defective.
User Interface Control Replacement
A burning smell coming from your dishwasher could be caused by a damaged user interface control. An electronic component on the user interface control can short out and cause an electrical burning smell. When you detect an electrical burning smell coming from your dishwasher, disconnect power and have a Sears Home Services Repair Technician visit your home and examine the controls and components of the dishwasher. The technician will replace the user interface control if it’s damaged.
Pump and Motor Assembly Replacement
When you detect a burning smell coming from your dishwasher while it’s running, a faulty pump and motor assembly could be causing the odor. Wiring inside the pump motor will produce a rancid smell as wiring insulation gets hot and starts smoking. A bad motor bearing can produce a metallic burning smell. When you detect these types of smells coming from your dishwasher, it’s time to schedule a service call and have a Sears Home Services Technician check out the dishwasher and replace the pump and motor assembly if it’s faulty.
Why does my KitchenAid dishwasher smell like burning plastic?
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 KitchenAid dishwasher burning smell issue
How is the burning smell problem fixed?
Correcting most burning smell problems usually involves replacing the electronic control board, user interface control or pump and motor assembly. However, there are many potential causes, so a thorough diagnosis is key to fixing the problem. An accurate diagnosis is essential to understanding how much the repair will be.
Sears Home Services recommendations for a dishwasher burning smell
When the dishwasher has a burning smell it can be for many reasons. To avoid replacing unneeded parts we recommend having a Sears Home Services professional perform diagnostic tests to identify the root cause of the problem. Our technicians are experienced at diagnosing all types of dishwasher failures.
What to look out for with a dishwasher burning smell diagnosis
Diagnosing modern appliances without proper knowledge and training can be difficult. Without using proper diagnostic techniques, fixing your dishwasher problem will only be achieved through changing parts on a hunch. Appliances, especially in the last 10 years, have become extremely advanced, and many models have electronic parts that are difficult to test. DIY repairs on the latest appliance models are becoming increasingly difficult.
A burning odor in a KitchenAid dishwasher signals potential melting components or overheating motors. Running it further risks permanent damage or fire hazards. Instead, 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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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.