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LG Dryer won't stop

If your LG dryer won't stop or keeps running after the cycle finishes, start with the most likely problems: restricted airflow from a clogged vent, an anti-wrinkle or extended tumble option left engaged, or a blower wheel that is clogged with lint or worn and wobbling so it cannot move air properly. Check and clean the vent and lint trap first, the dryer venting should be cleaned at least once a year, then verify the control panel options so anti-wrinkle timers are off. If drying is slow or the cabinet is hot, remove the vent and check airflow and the blower wheel for obstructions or play. Also confirm incoming power, a loose plug or tripped breaker can cause intermittent stopping, and if venting and power are fine the control board may be stuck sending power to the motor longer than it should. You can inspect boards for burn marks and test voltage with a multimeter, and enter your model number on RepairClinic.com to find the exact replacement blower wheel, control board, vent kit or other parts that fit your dryer.

01 - Air Flow Problem

If the vent line is clogged or partially clogged, it will restrict the airflow through the dryer, substantially increasing the drying time and cabinet temperature and potentially causing a burning smell. To ensure proper dryer performance, you should clean your dryer's venting system at least once per year.
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02 - Anti-wrinkle cycle option selected

Most dryer models have an anti-wrinkle cycle option that can be selected to reduce wrinkles. When selected the dryer drum will tumble the clothes every few minutes after the cycle is completed to help keep wrinkles from occurring. If this option was inadvertently selected the dryer will intermittently run until the clothes are removed.
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03 - LG Dryer Blower 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 whee...l by hand. If the blower wheel wobbles as it turns, replace it.
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04 - Incoming Power Problem

Confirm a circuit breaker has not tripped and the power cord is plugged tightly into the wall receptacle. A loose plug can provide intermittent power to the dryer and cause it to spinning stop during the cycle.
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05 - LG Dryer Control Board

A dryer's control board controls the voltage being sent to all of the appliance's electrical components. If there's no obstruction in the dryer's venting and the dryer is heating to the proper temperature, it's possible the control board is defective and allowing the appliance to run longer than it should. You can inspect the board for signs of damage or a shorted component. You can also use a multimeter to test for voltage reaching the drive motor after reviewing the dryer's wiring diagram.
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06 - LG Dryer Main Control Board

A dryer's main control board controls the voltage being sent to all of the appliance's electrical components. If there's no obstruction in the dryer's venting and the dryer is heating to the proper temperature, it's possible the control board is defective and allowing the appliance to run longer than it should. You can inspect the board for signs of damage or a shorted component.
Common

Frequently Asked Questions

Why won't my dryer stop running?
Why is my dryer taking too long to dry?
Why does my dryer overheat and smell like something is burning?
My dryer starts then stops after a few seconds, what should I check?
How do I enter my model number or part number on RepairClinic.com to find the right replacement part?