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Whirlpool Dryer Not Heating

WED8300SW1

The part(s) or condition(s) listed below for the symptom Dryer not heating 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 not heating

Cause 1Thermal Fuse

The thermal fuse is a safety device designed to protect the dryer from overheating. The fuse is located on the blower housing or at the dryer’s heat source such as the heating element on electric dryers or at the burner on gas models. The fuse should be closed for continuity meaning it has a continuous electrical path through it when good. If overheated the fuse will have no continuity meaning the electrical path is broken and the fuse has blown. A multimeter can be used to test it for continuity. Be aware that a blown thermal fuse is an indication of a restricted exhaust vent from the dryer to the outside. Always check the dryer venting when replacing a blown thermal fuse.

Part Testing
Parts
Thermal Fuse for your WhirlpoolDryer
Thermal Fuse - Part # 2986 Mfg Part # WP3392519

Dryer thermal fuse located on the blower housing. If the dryer overheats, the thermal fuse blows cutting off power to the motor or the heating system. When the fuse is bad the dryer won't start or will run but not heat. The thermal fuse cannot be reset. Fuses often blow due to a clogged dryer vent.

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Cause 2Thermal Fuse

The thermal fuse is a safety device designed to protect the dryer from overheating. The fuse is located on the blower housing or at the dryer’s heat source such as the heating element on electric dryers or at the burner on gas models. The fuse should be closed for continuity meaning it has a continuous electrical path through it when good. If overheated the fuse will have no continuity meaning the electrical path is broken and the fuse has blown. A multimeter can be used to test it for continuity. Be aware that a blown thermal fuse is an indication of a restricted exhaust vent from the dryer to the outside. Always check the dryer venting when replacing a blown thermal fuse.

Part Testing
Parts
Thermal Fuse for your WhirlpoolDryer
Thermal Fuse - Part # 897710 Mfg Part # 279973

Dryer high limit thermostat and thermal fuse kit. If the dryer does not heat the most common cause is a blown thermal fuse. Both the thermostat and fuse can be tested to determine if either is defective.

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Cause 3Heating Element

The heating element warms the air before it enters the dryer drum. Over time, the heating element can burn out, causing the dryer not to heat. 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 4Incoming Power Problem

If your dryer is not heating, then you may have an incoming power problem. Electric dryers need two legs of 120 volts AC equaling 240 volts. It is not uncommon for only one fuse or breaker to trip resulting in the dryer able to run, but not heat. The fuse box or circuit breaker should be checked or voltage measured at the outlet using a multi-meter.

Cause 5High 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 6Main Control Board

The main control board might be defective. However, this is rarely the case. Before replacing the main control board, check all of the more commonly defective parts. If you have determined that all of the other components are working properly, replace the main control board. (The control board cannot be easily tested, but you can try to inspect it for signs of burning or a shorted-out component.)

Parts
Main Control Board for your WhirlpoolDryer
Main Control Board - Part # 1203139 Mfg Part # WPW10111606

Main control board. NOTE: This part is often misdiagnosed. Please enter your dryer model# in our repair help section for additonal repair help.

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