Dryer Troubleshooting: How To Diagnose And Replace A Faulty Kenmore Thermistor
What To Know
- Replacing a thermistor in a Kenmore dryer may seem like a daunting task, but with the right tools and guidance, it’s a relatively straightforward process.
- A thermistor is a temperature-sensing device that plays a crucial role in regulating the heat output of your dryer.
- Replacing a Kenmore dryer thermistor is a cost-effective way to restore your dryer to proper working order.
Replacing a thermistor in a Kenmore dryer may seem like a daunting task, but with the right tools and guidance, it’s a relatively straightforward process. This comprehensive guide will provide you with step-by-step instructions, safety precautions, and troubleshooting tips to help you complete the repair successfully.
What is a Thermistor?
A thermistor is a temperature-sensing device that plays a crucial role in regulating the heat output of your dryer. It monitors the temperature inside the drum and sends signals to the control board, which adjusts the heating element accordingly. A faulty thermistor can lead to incorrect temperature readings, resulting in clothes that are over- or under-dried.
Safety Precautions
Before embarking on any electrical repair, it’s essential to take the following safety precautions:
- Unplug the dryer from the power outlet.
- Allow the dryer to cool completely.
- Wear gloves to protect your hands from sharp edges.
- Use caution when working with electrical components.
Tools Required
To replace the thermistor, you will need the following tools:
- Phillips head screwdriver
- Flathead screwdriver
- Multimeter
- New thermistor
Step-by-Step Instructions
1. Locate the Thermistor
The thermistor is typically located near the heating element inside the dryer drum. To access it, remove the screws holding the rear panel in place.
2. Disconnect the Wires
Using a flathead screwdriver, gently pry the wire connectors off the thermistor terminals. Note the orientation of the wires for reassembly.
3. Remove the Thermistor
Unscrew the mounting screws holding the thermistor in place. Carefully remove the old thermistor from its housing.
4. Install the New Thermistor
Place the new thermistor into the housing and secure it with the mounting screws.
5. Reconnect the Wires
Connect the wires to the thermistor terminals, ensuring the correct orientation. Push the connectors firmly onto the terminals.
6. Reassemble the Dryer
Reattach the rear panel and secure it with the screws.
7. Test the Dryer
Plug the dryer back into the power outlet and turn it on. Set it to a short drying cycle to test the new thermistor.
Troubleshooting Tips
- The dryer is not heating: Check the thermistor connections and the heating element.
- The dryer is overheating: Replace the thermistor and inspect the exhaust vent for any blockages.
- The dryer is cycling prematurely: Clean the lint filter and check the thermistor for proper operation.
Wrapping Up: A Thermistor Well-Replaced
Replacing a Kenmore dryer thermistor is a cost-effective way to restore your dryer to proper working order. By following these detailed instructions and taking the necessary safety precautions, you can confidently tackle this repair and enjoy a well-functioning dryer once again.
Questions You May Have
Q: How can I test a thermistor?
A: Use a multimeter to measure the resistance of the thermistor at room temperature. The resistance should be within the manufacturer’s specifications.
Q: What are the symptoms of a faulty thermistor?
A: Incorrect temperature readings, over- or under-dried clothes, and premature cycling of the dryer.
Q: How often should I replace the thermistor?
A: Thermistors typically last for the lifetime of the dryer. However, if you experience any issues with temperature regulation, it may be necessary to replace the thermistor.