How To Fix Dishwasher Getting Too Hot (Solved)

When a dishwasher begins to run, it’s supposed to be quiet, efficient, and capable of handling the load inside.

This demands excellent maintenance and engineering.

If not, the dishwasher will start dealing with unwanted issues including temperature changes. You will notice the dishwasher getting too hot after a while.

If the dishwasher is getting too hot, this is due to a damaged temperature sensor or control board. To fix this issue, turn off the water supply, pull the dishwasher out, inspect the temperature sensor near the sump, and replace it.

In some cases, you will need to change both the sensor and the control board. To find out if that is the case, it’s best to test the dishwasher after replacing the temperature sensor.

This article will take a look at what you need to do when the dishwasher is too hot.

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Steps To Fix Dishwasher Getting Too Hot

1. Turn Off The Water

When it comes to a dishwasher’s turbidity sensor or temperature sensor, it’s important to start by turning off the water.

You are going to be pulling the dishwasher out and it’s best to prepare for this eventuality. Do not attempt to work on the appliance until you have done this.

Otherwise, you could end up with a water leak in the kitchen.

You will want to make sure the water is off and then test the dishwasher to ensure it does not begin to go through the cycle. You will want to take your time with this and ensure you are not having to deal with water damage.

2. Pull The Dishwasher Out

Now, it is time to begin working on pulling the dishwasher out.

You will also need to make sure it slides out and there is nothing in the way. Some owners will set up planks to increase the dishwasher’s height, so beware of this before pulling the appliance out to ensure nothing gets damaged.

Once you are certain the dishwasher will slide out, you can pull the appliance out.

At this stage, you will also want to unplug the dishwasher as it is going to be connected to an electrical source.

This is to make sure you are not getting electrocuted when you are opening the back of the appliance.

These little safety details are important and something you should be taking into consideration when working on a dishwasher that is overheating.

3. Unscrew Back And Find The Temperature Sensor

If the dishwasher is overheating, you need to open up the back panel.

This is where the temperature sensor and control board are located. Both of these parts are important when you are figuring out what is good and what is not with the sensor.

With the sensor, you will want to start by looking for physical damage.

In some cases, it is obvious the temperature sensor has been damaged or fried. This will cause it to not work and the appliance will lose control over its temperature too.

When you have located the sensor and looked it over, it’s time to begin finding a replacement part.

This is going to have to be replaced, so you should be on the hunt for a good deal as soon as possible.

4. Replace The Temperature Sensor

The temperature sensor has to be replaced carefully.

To do this the right way, it’s best to find a compatible part that is going to be a seamless fit. This will make it a lot easier for you to slide the temperature sensor in, connect it, and then test the unit to see if it works.

For the most part, if it is a compatible part, it will work like a charm.

You will want to be careful while doing this and make sure you are taking the time to figure out what’s wrong with any other part that is near the sensor.

Final Thoughts

It is best to go through these steps and make sure you take care of a dishwasher that is too hot.

If a dishwasher is too hot, this means the control board and/or temperature sensor have been damaged. To fix the issue, start by turning off the water supply, pulling the appliance out, unplugging it, and removing the back panel to inspect the temperature sensor near the sump. Next, replace the part if it is damaged.

This is the best way to make sure the temperature control in the appliance gets back to how it needs to be.

You will not want to rush this process and it’s best to test it in great detail. This includes running a smaller load when you are ready to see if the fix worked.

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