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LG Dryer Not Heating

DLG2526W

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 1Igniter

The igniter uses heat to ignite the gas in the burner assembly. If the igniter is not working, the gas will not ignite, preventing the dryer from heating. To determine if the igniter has burned out, use a multimeter to test the igniter for continuity. If the igniter does not have continuity, replace it.

Part Testing
Parts
Igniter for your LGDryer
Igniter - Part # 1266860 Mfg Part # 5318EL3001A

Gas dryer igniter with bracket and wire harness. This is a round spiral-style igniter. The igniter uses heat to ignite the gas in the burner assembly. If the igniter is defective, the gas will not ignite and the dryer will not heat.

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Cause 2Flame Sensor

On a gas dryer, the flame sensor detects the heat emitted by the flame. If the flame sensor isn’t working, the dryer won’t heat. Before checking the flame sensor, first make sure that the igniter and thermal fuse are not at fault. To determine if the flame sensor is defective, use a multimeter to test the sensor for continuity at room temperature. If the flame sensor does not have continuity at room temperature, replace it.

Part Testing
Parts
Flame Sensor for your LGDryer
Flame Sensor - Part # 1268234 Mfg Part # 6501EL3001A

Gas dryer flame sensor

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Cause 3Incoming 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 4High 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 LGDryer
High Limit Thermostat - Part # 1268365 Mfg Part # 6931EL3003C

Dryer high limit thermostat assembly. The thermostat has reset button in center it is trips due to poor air flow such as a clogged exhaust vent.

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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 LGDryer
High Limit Thermostat - Part # 1268367 Mfg Part # 6931EL3004B

Thermostat assembly

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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 LGDryer
Main Control Board - Part # 1368976 Mfg Part # EBR33640902
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