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Customer Questions and Answers for Thermistor by Whirlpool

4.89 (64)
By: Whirlpool
Part Number: OEM18040551
Manufacturer Part Number: WP8577274

The Thermistor is an OEM part for Whirlpool brand dryers. It is a temperature-sensing resistor that monitors air temperature changes during the drying cycle. The thermistor provides feedback to the control board on heating element performance and internal air condition. 

Symptoms of a failed thermistor include:

  • Inaccurate temperature readings and selections  
  • Improper or incomplete drying
  • Safety issues from overheating due to lack of feedback
  • Error codes displayed on the control panel

Causes can be related to normal wear and environmental exposure over time. Failure prevents the dryer from achieving optimal drying conditions.

This OEM Whirlpool part can also be used on Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore/Sears brand appliances.

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Questions & Answers

For Whirlpool Thermistor (Part Number: OEM18040551)

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Odie P. for Model Number DWSR483EG9CC

Our GE Dryer has started cutting off before the dry cycle ends. The first time you start it will dry for about 20 minutes, then kick off. It will not start right back up, but can wait 15 min. & it will dry another 10 minutes, than back off. If you wait quite a while it might dry another 20 minutes, but max. I have cleaned the hose & vent. Is not stopped up. Timer does keep going until the cycle has finished, but dryer is not. What part do you think is needed or what could this be? Thanks for any help! I have determined to fix whatever it is, the top & back of dryer will have to be removed to take out the drum. cannot remove back.

Answer

Hello Odie, This sounds like a ducting issue. The duct in the home has to have a full four inch inner diameter and cannot be longer than the equivalent of 25 feet, (including the fact that each 90° turn is equivalent to 6 feet of straight ducting). Also, flexible ducting is easily crushed. Remember that the incoming air is used to prevent overheating of the cabinets' components, mechanical and electrical. If the unit cannot blow out the hot air it cannot pull in room temperature air. If the home ducting is not the issue there could be a softener sheet in the blower wheel causing the lack of air flow. If there should happen to be sufficient air flow, there will be a mechanical issue such as a bad drum roller, worn glides, or failing belt idler pulley causing the motor to be overloaded and trip out the thermal overload protector in the motor assembly.

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Answered by AppliancePartsPros.com   |   Wednesday, October 14, 2015

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