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Customer Questions and Answers for Thermistor by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18026073
Manufacturer Part Number: WP35001191

The Thermistor is an OEM part for Whirlpool dryers. This part measures the temperature inside the dryer drum and sends this information to the control board, which regulates the heat to ensure efficient drying.  

Causes of a bad thermistor can include regular wear and tear, exposure to high temperatures, or electrical faults.

Symptoms of a bad thermistor include:

  • Dryer not heating or overheating
  • Clothes taking longer to dry
  • Inconsistent drying performance
  • Error codes related to temperature issues

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.

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Questions & Answers

For Whirlpool Thermistor (Part Number: OEM18026073)

1 Answer

Sherbee, If the motor is running but the heating element is still not coming on then you will want to check for power at the control board to see if it is sending power to the element. If there is not power then replace the control board.

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1 Answer

Brad, There is no E5 error code in the dryer display, it is most likely a "tS" code, which indicates a heat / air flow issue. Check and make sure the exhaust venting and vent hood are not restricted or kinked, and the dryer lint filter isn't clogged, first. Replace the thermistor WP35001191 if all's OK.

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1 Answer

Vanessa, If the unit runs fine with the vent not connected but shuts off when the vent is connected then the issue would be in the venting. It is either the vent run is too long, has too many elbows or is clogged.

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1 Answer

Hello Grumpy. Yes, the thermistor can cause the dryer not to heat if it is bad in the unit.

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1 Answer

Luis, The "TS" error code does indicate a heating issue as well " tS > Dryer Thermistor Short Sensed > The Thermistor resistance is very low. > Check for: Clogged lint screen. - Restricted vent system. Check Thermistor resistance (10,000 ohms at room temperature). - Check for diagnostic code 1." It's best that you check the thermistor WP35001191 resistance at the control board connection, that way you check the complete circuit, wiring and all at the "white" connector across pin#2(blue) and pin#6(red) If the resistance is in range, then you'll need the control board WP35001153.

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1 Answer

Ty, You will want to check the heater and the thermal fuse for continuity. If they do not have continuity then the part is bad and needs to be replaced.

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1 Answer

Hello Ida, The model number you provided is not correct. Check and make sure you have 240 volts coming to the dryer. Check and make sure the unit is not set to Air Fluff. Also check the heater and thermostats and see if they are good. You can test these with a multi-meter MA-DM1. They should read closed for continuity. Here is a link on how to use a multi-meter. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html

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1 Answer

Scoutman, Basically Your description indicates one of two possible issues, There is not enough voltage to the heater element, This reduces the amount of heat produced, and the thermostats won't cycle. A shorted eelement or wire to the element, this would allow the voltage to circulate through the circuit, and because of the short to chassis ground, the heater element, will not cycle off when the temperature is reached and the thermostat opens. You'll need to check and make sure you have 220 to 240 VAC across the terminals of the heater element when the dryer is heating. Voltage needs to be a minimum of 210 VAC, or the dryer will not heat properly. Also check and make sure he line cord and terminal block wiring is correct, and tight and 220 to 240 VAC across the outside terminals of the block. Good Luck and Thanks

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