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Whirlpool Dryer Won't Stop

WED8300SW1

The part(s) or condition(s) listed below for the symptom Dryer won't stop are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.

Most Frequent Causes for Dryer won't stop

Cause 1Air Flow Problem

If the vent is clogged or partially clogged, it will restrict the airflow through the dryer, substantially increasing the drying time. To ensure proper dryer performance, you should clean your dryer’s venting system at least once per year.

Cause 2Blower Wheel

The blower wheel draws air through the dryer and pushes the air out the vent. Clumps of lint, socks, and small articles of clothing can escape the lint filter and get caught in the blower wheel. In addition, the blower wheel sleeve can wear out, allowing the blower wheel to wobble on the motor shaft. If the blower wheel is obstructed or defective, it may take too long to dry clothes. To determine if the blower wheel is working properly, remove the dryer vent and assess the strength of the air flow. If the air flow is weak, check the blower wheel for obstructions. If no obstructions are present, try rotating the blower wheel by hand. If the blower wheel wobbles as it turns, replace it.

Parts
Blower Wheel for your WhirlpoolDryer
Blower Wheel - Part # 687613 Mfg Part # WP697772

Dryer blower wheel.
To remove unscrew the blower wheel clockwise off the motor shaft.

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Cause 3Heating Element

The heating element warms the air before the air enters the dryer drum. Over time, the heating element can burn out. If the heating element isn’t working, the clothes will take substantially longer to dry. To determine if the heating element has burned out, use a multimeter to test it for continuity. If the heating element does not have continuity, replace it.

Part Testing
Parts
Heating Element for your WhirlpoolDryer
Heating Element - Part # 1180054 Mfg Part # WP8544771

Dryer heating element. If the dryer no longer heats then the heating element may have failed, but it is not the most common cause. The most common cause for a dryer to stop heating is a blown thermal fuse.

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Cause 4Lint Filter

The lint filter might be clogged. Dryer sheets and fabric softener can leave a residue on the lint filter, reducing the air flow. If the lint filter is clogged, clean it.

Parts
Lint Filter for your WhirlpoolDryer
Lint Filter - Part # 1206293 Mfg Part # W10120998

Dryer lint filter. Air flow is vital to proper dryer operation. The lint filter should be cleaned before every load and replaced if damaged.

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Cause 5Moisture Sensor

The moisture sensor monitors the clothing’s moisture level and sends a signal to the control board when the clothes are dry. If the moisture sensor is malfunctioning, it could inaccurately report that the clothing is still moist, causing the dryer to keep running even though the clothes are dry. However, this is rarely the case. Before replacing the moisture sensor check all the more commonly defective parts. If you have determined that all of the other components are working properly, replace the moisture sensor.

Parts
Moisture Sensor for your WhirlpoolDryer
Moisture Sensor - Part # 525385 Mfg Part # WP3387223

Dryer moisture sensor bar. This moisture sensor monitors the clothing’s moisture level and sends a signal to the control board when the clothes are dry. If your moisture sensor is defective, the dryer may shut off too early or continue running for a while after the clothes are dry. Two required.

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Cause 6High Limit Thermostat

The high-limit thermostat monitors the dryer temperature and shuts off the burner if the dryer overheats. If the high-limit thermostat is malfunctioning, it may shut off the burner even if the dryer is not overheating. However, this is rarely the case. Before replacing the high limit thermostat check all the more commonly defective parts. If you have determined that all of the other components are working properly, test the thermostat by using a multimeter to test it for continuity. If the thermostat does not have continuity, replace it..

Part Testing
Parts
High Limit Thermostat for your WhirlpoolDryer
High Limit Thermostat - Part # 526282 Mfg Part # WP3391914

High limit thermostat, L295-50F. If the dryer overheats, this high-limit thermostat will cut off the power to the heating element. If the high-limit thermostat has blown, the dryer will not heat.

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Cause 7Thermistor

If the dryer won’t stop, the thermistor might be defective. Some dryers have a thermistor. The control board uses the thermistor to monitor the dryer temperature and cycle the heat on and off. If the thermistor is defective, it may turn off the heat too early, considerably lengthening the drying time. However, this is rarely the case.

Parts
Thermistor for your WhirlpoolDryer
Thermistor - Part # 1181075 Mfg Part # WP8577274

Dryer thermistor. This thermistor should read approximately 11.9K Ohms of resistance at 70 degrees Fahrenheit (21’ Celsius). If the thermistor is defective, it may prolong or shorten the drying time or cause a fault code. A defective thermistor is not responsible for a dryer not heating.

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