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Why is My LG Dryer Not Heating?

Oleg Chudnovski, CEO

Technically Reviewed by Oleg Chudnovski, CEO on Jun 21, 2024 | Written by Fix Appliances CA Editorial Contributors

Several users may wonder why their LG dryer is heating up. The problem may be a clogged vent that needs cleaning so air can circulate.

The LG Drying not heating issue may appear due to several reasons, such as:

Issue Meaning Solution
Clogged Dryer Vent Clogged airflow is in a vent due to the lint. Clean the element with a dish detergent, warm water, and a soft brush.
Overloading There is minimum space to circulate hot air due to the overloaded drum. Follow the manufacturer’s manual, and add the correct amount of clothes.
Blown thermal fuse A clogged vent, vent hose, lint screen, and lint trap are general reasons for a blown thermal fuse. Clean the components regularly and check the fuse with a multimeter.
Defective heating part The heating element is worn out. Call the repair expert to replace the component.


Read below to find out options for the proper LG dryer repair.

How to Fix an LG Dryer Not Heating?

Without constant cleanings and proper loading techniques, the LG appliance will not dry your clothes in a normal cycle and display an error.

The issues described below for the LG dryer not getting hot have easy DIY solutions to achieve proper use and care of the appliance.

Clogged Dryer Vent

Lint may be collected in a device over time, clogging it and limiting airflow. Due to the blocked airflow, the moist, humid air will remain in the dryer, leaving clothes soggy.

When lint or debris clogs the vent, it obstructs airflow to your dryer, prolonging the drying process for your clothes. Clearing the vent reduces drying time, enhances your dryer’s energy efficiency, preserves your garments, and minimizes the time spent waiting for laundry to dry.

Oleg Chudnovski, CEO

Some LG dryer models include a FlowSense indicator on the control panel that lights up when the vent is dirty. When the indicator shows 2-4 bars, it means that the vent is clogged and you need to clean it.
Follow these steps for an LG dryer heating element to operate properly:

  1. Clean the lint trap using a soft brush, dish detergent, and warm water.
  2. Take the vacuum cleaner’s narrow hose to clear the lint from the filter’s housing.
  3. Remove lint and debris from the vent.
  4. Attach the vent back in place.
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Remember to clean this element every 6-10 months.


Too many clothes additionally block ventilation, leaving minimal space for hot air to circulate and dry the items. With this heavy load, you may also find that your dryer spins slower, minimizing circulation even more.

To avoid overload, follow these suggestions for correct usage and care:

  • fill the appliance with one wash load at a time;
  • check that the load only fills ¾ of the dryer drum for proper circulation;
  • use only a small number of large items (1 or 2) at once to provide adequate space.

Sometimes, the LG dryer fails to dry entirely due to other issues. Call the professional to examine the reason or to replace certain elements.

Blown Thermal Fuse

A thermal fuse is a protective element that prevents the appliance from overheating. Once the fuse blows, the dryer stops operating and will not continue until it is replaced. Experts recommend testing the vent for blockages using a multimeter if the fuse blows. If it is clear, the fuse needs to be changed.

Defective Heating Element

The LG dryer heating element heats the air inside the drum. When the LG electric dryer doesn’t heat up, the element is probably worn out and can no longer produce heat. Test the component with a multimeter. If the lack of continuity is identified, you must replace it.


No matter what type of device you have, it needs to be cared for properly. When the LG dryer is stuck in cooling mode, press the “Reset” button for 5 seconds, and then switch the machine on again.

If it blows cold air, read the manufacturer’s instructions or call the technician to determine the problem with the normal cycle with no heat. Note that you can effortlessly change the components with the LG dryer under warranty.

Date of page creation: April 01, 2024

Page update date: June 21, 2024

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