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Why is my LG dryer not heating, not drying or taking a long time drying?

  • Troubleshooting
Why is my LG dryer not heating, not drying or taking a long time drying?

If your LG dryer is taking too long to dry your clothes or your dryer is not heating properly. A blockage to the dryer's airflow will make dry times longer than normal. This can be caused by an obstruction in the duct work or lint build-up on your air filter, both of which can corrected to fix the problem. You can watch a video that contains solutions to this and other issues, or follow the steps below to further diagnose and fix your drying problem.


  1. Let's see if your dryer generates any heat.


    • Run the Speed Dry or Timed Dry cycle for 2 to 3 minutes.
    • Stop the dryer and carefully place your hand inside.

    Are you feeling any heat at all?

  2. Great!

    This Indicates that your dryer is heating properly.

    What drying cycle is being used?

  3. Is the dryer electric or gas?


  4. Flip Your circuit breaker.

    • Locate your breaker box and flip the breaker off for 10 seconds and then turn it back on.
    • a circuit breaker panel

    • Try running the dryer on timed dry for another 2 minutes.

    Are you feeling any heat at all?

  5. Check the gas supply.


    an example showing the gas supply valve in an off and on position

    Is the gas supply opened all the way?

  6. Great!

    This Indicates that your dryer is heating properly.

    What drying cycle is being used?

  7. Request a repair.

    The unit requires a repair service. Please visit our Request a Repair page.


    Request a Repair
  8. Does your dryer have an Energy Saver button?


  9. Clean lint buildup.


    It would be recommended to clean the lint filter, moisture sensors, and ductwork for lint buildup.

    illustrations on how to clean the lint filter

    CLEAN CLOGGED MOISTURE SENSORS

    dryer moisture sensors

    • Use a damp rag or paper towel and wipe them to remove any buildup on the sensors.
    • We recommend the sensors are cleaned at least once a month with a damp rag or paper towels.
    • After you clean the sensors run another cycle.

    1. Check for lint buildup.

      Check for lint buildup at the rear exhaust duct, which will cause a long drying time.

      If you need the service of a professional technician, contact a local vent cleaning company to clean the vent.

      check lint buildup
    2. Inspect for damaged exhaust.

      A crushed or damaged exhaust will also cause air blockage. If possible, check every section of your exhaust duct to ensure it is not crushed, kinked or damaged.

      crushed exhaust
    3. Inspect for crushed duct.

      • Avoid excessive and long duct runs.

      • Replace the duct if it is crushed.

      • A duct with too many elbows or bends will cause a long time drying.

      exhaust too long
    4. Length of the ductwork.

      When the ductwork is too long or has too many bends, blockages can occur, and it will be hard to trace. In this case, check the exterior part of the house when the machine is running to see if exhaust air is blowing outside.

      For proper inspection and repair of this situation, contact a local vent cleaning company to clean the vent.

      vent cleaning
  10. Is Energy Saver turned ON when using the Cotton/Normal Cycle?


  11. Check the lint filter.


    When the lint filter is dirty or clogged, it will cause long drying times. Always clean lint from the filter after every cycle.

    lint filter removal

    Open the dryer door and pull the lint filter straight up. Is the filter clean or dirty?

  12. Turn off Energy Saver.


    Energy Saver reduces the energy consumption in the Cotton/Normal cycle. When Energy Saver is ON, the cycle begins with an air dry section and the drying time is increased.

    On some dryers, it is possible to disable energy saver mode permanently:

    • Press and hold the WRINKLE CARE button (about 3 seconds) until OFF appears on the display.
    • In some cases, energy saver could still be enabled for other cycles. Use the WRINKLE CARE button whenever you see the energy saver button’s light on.
    • The light on the button will turn off, and your clothes should dry properly now.

    an illustration of the energy saver indicator on a dryer

    Were you able to turn off Energy Saver?

  13. Check the lint filter.


    When the lint filter is dirty or clogged, it will cause long drying times. Always clean lint from the filter after every cycle.

    lint filter removal

    Open the dryer door and pull the lint filter straight up. Is the filter clean or dirty?

  14. Is the filter torn / damaged?

  15. Clean the lint filter.

    illustrations on how to clean the lint filter

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

  16. Replace the filter.

    A damaged lint filter can allow lint buildup in the venting system. We would recommend having the vents cleaned by a professional and the lint filter be replaced.

    To order a replacement lint filter, please click here.

  17. Inspect the duct.

    Bent or crushed venting will restrict airflow and prevent the unit from heating properly. Straightening out the vent should return proper airflow, allowing the unit to heat properly again. You can watch a video that explains how to fix airflow problems.

    illustration of dryer ductwork both correct and incorrect examples

    Is the ductwork at the rear of the unit bent or crushed?


  18. Straighten the duct work.

    This seems to be the problem. Bent or crushed venting will restrict airflow and prevent the unit from heating properly for safety reasons.

    Straightening out the vent should return proper airflow allowing the unit to heat properly again.

    illustration of dryer ductwork both correct and incorrect examples

  19. Have the home ductwork inspected.

    1. Check for lint buildup.

      Check for lint buildup at the rear exhaust duct, which will cause a long drying time.

      If you need the service of a professional technician, contact a local vent cleaning company to clean the vent.

      check lint buildup
    2. Inspect for damaged exhaust.

      A crushed or damaged exhaust will also cause air blockage. If possible, check every section of your exhaust duct to ensure it is not crushed, kinked or damaged.

      crushed exhaust
    3. Inspect for crushed duct.

      • Avoid excessive and long duct runs.

      • Replace the duct if it is crushed.

      • A duct with too many elbows or bends will cause a long time drying.

      exhaust too long
    4. Length of the ductwork.

      When the ductwork is too long or has too many bends, blockages can occur, and it will be hard to trace. In this case, check the exterior part of the house when the machine is running to see if exhaust air is blowing outside.

      For proper inspection and repair of this situation, contact a local vent cleaning company to clean the vent.

      vent cleaning

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

  20. Does your dryer have an Energy Saver button?


  21. Clean lint buildup.


    It would be recommended to clean the lint filter, moisture sensors, and ductwork for lint buildup.

    illustrations on how to clean the lint filter

    CLEAN CLOGGED MOISTURE SENSORS

    dryer moisture sensors

    • Use a damp rag or paper towel and wipe them to remove any buildup on the sensors.
    • We recommend the sensors are cleaned at least once a month with a damp rag or paper towels.
    • After you clean the sensors run another cycle.

    1. Check for lint buildup.

      Check for lint buildup at the rear exhaust duct, which will cause a long drying time.

      If you need the service of a professional technician, contact a local vent cleaning company to clean the vent.

      check lint buildup
    2. Inspect for damaged exhaust.

      A crushed or damaged exhaust will also cause air blockage. If possible, check every section of your exhaust duct to ensure it is not crushed, kinked or damaged.

      crushed exhaust
    3. Inspect for crushed duct.

      • Avoid excessive and long duct runs.

      • Replace the duct if it is crushed.

      • A duct with too many elbows or bends will cause a long time drying.

      exhaust too long
    4. Length of the ductwork.

      When the ductwork is too long or has too many bends, blockages can occur, and it will be hard to trace. In this case, check the exterior part of the house when the machine is running to see if exhaust air is blowing outside.

      For proper inspection and repair of this situation, contact a local vent cleaning company to clean the vent.

      vent cleaning
  22. Is Energy Saver turned ON when using the Cotton/Normal Cycle?


  23. Check the lint filter.


    When the lint filter is dirty or clogged, it will cause long drying times. Always clean lint from the filter after every cycle.

    lint filter removal

    Open the dryer door and pull the lint filter straight up. Is the filter clean or dirty?

  24. Turn off Energy Saver.


    Energy Saver reduces the energy consumption in the Cotton/Normal cycle. When Energy Saver is ON, the cycle begins with an air dry section and the drying time is increased.

    On some dryers, it is possible to disable energy saver mode permanently:

    • Press and hold the WRINKLE CARE button (about 3 seconds) until OFF appears on the display.
    • In some cases, energy saver could still be enabled for other cycles. Use the WRINKLE CARE button whenever you see the energy saver button’s light on.
    • The light on the button will turn off, and your clothes should dry properly now.

    an illustration of the energy saver indicator on a dryer

    Were you able to turn off Energy Saver?

  25. Check the lint filter.


    When the lint filter is dirty or clogged, it will cause long drying times. Always clean lint from the filter after every cycle.

    lint filter removal

    Open the dryer door and pull the lint filter straight up. Is the filter clean or dirty?

  26. Is the filter torn / damaged?

  27. Clean the lint filter.

    illustrations on how to clean the lint filter

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

  28. Replace the filter.

    A damaged lint filter can allow lint buildup in the venting system. We would recommend having the vents cleaned by a professional and the lint filter be replaced.

    To order a replacement lint filter, please click here.

  29. Inspect the duct.

    Bent or crushed venting will restrict airflow and prevent the unit from heating properly. Straightening out the vent should return proper airflow, allowing the unit to heat properly again. You can watch a video that explains how to fix airflow problems.

    illustration of dryer ductwork both correct and incorrect examples

    Is the ductwork at the rear of the unit bent or crushed?

  30. Straighten the duct work.

    This seems to be the problem. Bent or crushed venting will restrict airflow and prevent the unit from heating properly for safety reasons.

    Straightening out the vent should return proper airflow allowing the unit to heat properly again.

    illustration of dryer ductwork both correct and incorrect examples

  31. Have the home ductwork inspected.

    1. Check for lint buildup.

      Check for lint buildup at the rear exhaust duct, which will cause a long drying time.

      If you need the service of a professional technician, contact a local vent cleaning company to clean the vent.

      check lint buildup
    2. Inspect for damaged exhaust.

      A crushed or damaged exhaust will also cause air blockage. If possible, check every section of your exhaust duct to ensure it is not crushed, kinked or damaged.

      crushed exhaust
    3. Inspect for crushed duct.

      • Avoid excessive and long duct runs.

      • Replace the duct if it is crushed.

      • A duct with too many elbows or bends will cause a long time drying.

      exhaust too long
    4. Length of the ductwork.

      When the ductwork is too long or has too many bends, blockages can occur, and it will be hard to trace. In this case, check the exterior part of the house when the machine is running to see if exhaust air is blowing outside.

      For proper inspection and repair of this situation, contact a local vent cleaning company to clean the vent.

      vent cleaning

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

  32. Is the filter torn / damaged?

  33. Clean the lint filter.

    illustrations on how to clean the lint filter

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

  34. Replace the filter.

    A damaged lint filter can allow lint buildup in the venting system. We would recommend having the vents cleaned by a professional and the lint filter be replaced.

    To order a replacement lint filter, please click here.

  35. Inspect the duct.

    Bent or crushed venting will restrict airflow and prevent the unit from heating properly. Straightening out the vent should return proper airflow, allowing the unit to heat properly again. You can watch a video that explains how to fix airflow problems.

    illustration of dryer ductwork both correct and incorrect examples

    Is the ductwork at the rear of the unit bent or crushed?

  36. Straighten the duct work.

    This seems to be the problem. Bent or crushed venting will restrict airflow and prevent the unit from heating properly for safety reasons.

    Straightening out the vent should return proper airflow allowing the unit to heat properly again.

    illustration of dryer ductwork both correct and incorrect examples

  37. Have the home ductwork inspected.

    1. Check for lint buildup.

      Check for lint buildup at the rear exhaust duct, which will cause a long drying time.

      If you need the service of a professional technician, contact a local vent cleaning company to clean the vent.

      check lint buildup
    2. Inspect for damaged exhaust.

      A crushed or damaged exhaust will also cause air blockage. If possible, check every section of your exhaust duct to ensure it is not crushed, kinked or damaged.

      crushed exhaust
    3. Inspect for crushed duct.

      • Avoid excessive and long duct runs.

      • Replace the duct if it is crushed.

      • A duct with too many elbows or bends will cause a long time drying.

      exhaust too long
    4. Length of the ductwork.

      When the ductwork is too long or has too many bends, blockages can occur, and it will be hard to trace. In this case, check the exterior part of the house when the machine is running to see if exhaust air is blowing outside.

      For proper inspection and repair of this situation, contact a local vent cleaning company to clean the vent.

      vent cleaning

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

  38. Is the filter torn / damaged?

  39. Clean the lint filter.

    illustrations on how to clean the lint filter

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

  40. Replace the filter.

    A damaged lint filter can allow lint buildup in the venting system. We would recommend having the vents cleaned by a professional and the lint filter be replaced.

    To order a replacement lint filter, please click here.

  41. Inspect the duct.

    Bent or crushed venting will restrict airflow and prevent the unit from heating properly. Straightening out the vent should return proper airflow, allowing the unit to heat properly again. You can watch a video that explains how to fix airflow problems.

    illustration of dryer ductwork both correct and incorrect examples

    Is the ductwork at the rear of the unit bent or crushed?

  42. Straighten the duct work.

    This seems to be the problem. Bent or crushed venting will restrict airflow and prevent the unit from heating properly for safety reasons.

    Straightening out the vent should return proper airflow allowing the unit to heat properly again.

    illustration of dryer ductwork both correct and incorrect examples

  43. Have the home ductwork inspected.

    1. Check for lint buildup.

      Check for lint buildup at the rear exhaust duct, which will cause a long drying time.

      If you need the service of a professional technician, contact a local vent cleaning company to clean the vent.

      check lint buildup
    2. Inspect for damaged exhaust.

      A crushed or damaged exhaust will also cause air blockage. If possible, check every section of your exhaust duct to ensure it is not crushed, kinked or damaged.

      crushed exhaust
    3. Inspect for crushed duct.

      • Avoid excessive and long duct runs.

      • Replace the duct if it is crushed.

      • A duct with too many elbows or bends will cause a long time drying.

      exhaust too long
    4. Length of the ductwork.

      When the ductwork is too long or has too many bends, blockages can occur, and it will be hard to trace. In this case, check the exterior part of the house when the machine is running to see if exhaust air is blowing outside.

      For proper inspection and repair of this situation, contact a local vent cleaning company to clean the vent.

      vent cleaning

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

  44. Request a repair.

    The unit requires a repair service. Please visit our Request a Repair page.


    Request a Repair
  45. Great!

    Turning on the gas supply will resolve the problem with your dryer not heating.


  46. Great!

    Turning OFF Energy Saver will generate heat immediately upon the start of the cycle. This should correct your heating issues on the Cotton/Normal cycle.

  47. Check the lint filter.


    When the lint filter is dirty or clogged, it will cause long drying times. Always clean lint from the filter after every cycle.

    lint filter removal

    Open the dryer door and pull the lint filter straight up. Is the filter clean or dirty?

  48. Is the filter torn / damaged?

  49. Clean the lint filter.

    illustrations on how to clean the lint filter

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

  50. Replace the filter.

    A damaged lint filter can allow lint buildup in the venting system. We would recommend having the vents cleaned by a professional and the lint filter be replaced.

    To order a replacement lint filter, please click here.

  51. Inspect the duct.

    Bent or crushed venting will restrict airflow and prevent the unit from heating properly. Straightening out the vent should return proper airflow, allowing the unit to heat properly again. You can watch a video that explains how to fix airflow problems.

    illustration of dryer ductwork both correct and incorrect examples

    Is the ductwork at the rear of the unit bent or crushed?

  52. Straighten the duct work.

    This seems to be the problem. Bent or crushed venting will restrict airflow and prevent the unit from heating properly for safety reasons.

    Straightening out the vent should return proper airflow allowing the unit to heat properly again.

    illustration of dryer ductwork both correct and incorrect examples

  53. Have the home ductwork inspected.

    1. Check for lint buildup.

      Check for lint buildup at the rear exhaust duct, which will cause a long drying time.

      If you need the service of a professional technician, contact a local vent cleaning company to clean the vent.

      check lint buildup
    2. Inspect for damaged exhaust.

      A crushed or damaged exhaust will also cause air blockage. If possible, check every section of your exhaust duct to ensure it is not crushed, kinked or damaged.

      crushed exhaust
    3. Inspect for crushed duct.

      • Avoid excessive and long duct runs.

      • Replace the duct if it is crushed.

      • A duct with too many elbows or bends will cause a long time drying.

      exhaust too long
    4. Length of the ductwork.

      When the ductwork is too long or has too many bends, blockages can occur, and it will be hard to trace. In this case, check the exterior part of the house when the machine is running to see if exhaust air is blowing outside.

      For proper inspection and repair of this situation, contact a local vent cleaning company to clean the vent.

      vent cleaning

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

  54. Great!

    Turning OFF Energy Saver will generate heat immediately upon the start of the cycle. This should correct your heating issues on the Cotton/Normal cycle.

  55. Check the lint filter.


    When the lint filter is dirty or clogged, it will cause long drying times. Always clean lint from the filter after every cycle.

    lint filter removal

    Open the dryer door and pull the lint filter straight up. Is the filter clean or dirty?

  56. Is the filter torn / damaged?

  57. Clean the lint filter.

    illustrations on how to clean the lint filter

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

  58. Replace the filter.

    A damaged lint filter can allow lint buildup in the venting system. We would recommend having the vents cleaned by a professional and the lint filter be replaced.

    To order a replacement lint filter, please click here.

  59. Inspect the duct.

    Bent or crushed venting will restrict airflow and prevent the unit from heating properly. Straightening out the vent should return proper airflow, allowing the unit to heat properly again. You can watch a video that explains how to fix airflow problems.

    illustration of dryer ductwork both correct and incorrect examples

    Is the ductwork at the rear of the unit bent or crushed?

  60. Straighten the duct work.

    This seems to be the problem. Bent or crushed venting will restrict airflow and prevent the unit from heating properly for safety reasons.

    Straightening out the vent should return proper airflow allowing the unit to heat properly again.

    illustration of dryer ductwork both correct and incorrect examples

  61. Have the home ductwork inspected.

    1. Check for lint buildup.

      Check for lint buildup at the rear exhaust duct, which will cause a long drying time.

      If you need the service of a professional technician, contact a local vent cleaning company to clean the vent.

      check lint buildup
    2. Inspect for damaged exhaust.

      A crushed or damaged exhaust will also cause air blockage. If possible, check every section of your exhaust duct to ensure it is not crushed, kinked or damaged.

      crushed exhaust
    3. Inspect for crushed duct.

      • Avoid excessive and long duct runs.

      • Replace the duct if it is crushed.

      • A duct with too many elbows or bends will cause a long time drying.

      exhaust too long
    4. Length of the ductwork.

      When the ductwork is too long or has too many bends, blockages can occur, and it will be hard to trace. In this case, check the exterior part of the house when the machine is running to see if exhaust air is blowing outside.

      For proper inspection and repair of this situation, contact a local vent cleaning company to clean the vent.

      vent cleaning

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

  62. Check the lint filter.


    When the lint filter is dirty or clogged, it will cause long drying times. Always clean lint from the filter after every cycle.

    lint filter removal

    Open the dryer door and pull the lint filter straight up. Is the filter clean or dirty?

  63. Is the filter torn / damaged?

  64. Clean the lint filter.

    illustrations on how to clean the lint filter

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

  65. Replace the filter.

    A damaged lint filter can allow lint buildup in the venting system. We would recommend having the vents cleaned by a professional and the lint filter be replaced.

    To order a replacement lint filter, please click here.

  66. Inspect the duct.

    Bent or crushed venting will restrict airflow and prevent the unit from heating properly. Straightening out the vent should return proper airflow, allowing the unit to heat properly again. You can watch a video that explains how to fix airflow problems.

    illustration of dryer ductwork both correct and incorrect examples

    Is the ductwork at the rear of the unit bent or crushed?

  67. Straighten the duct work.

    This seems to be the problem. Bent or crushed venting will restrict airflow and prevent the unit from heating properly for safety reasons.

    Straightening out the vent should return proper airflow allowing the unit to heat properly again.

    illustration of dryer ductwork both correct and incorrect examples

  68. Have the home ductwork inspected.

    1. Check for lint buildup.

      Check for lint buildup at the rear exhaust duct, which will cause a long drying time.

      If you need the service of a professional technician, contact a local vent cleaning company to clean the vent.

      check lint buildup
    2. Inspect for damaged exhaust.

      A crushed or damaged exhaust will also cause air blockage. If possible, check every section of your exhaust duct to ensure it is not crushed, kinked or damaged.

      crushed exhaust
    3. Inspect for crushed duct.

      • Avoid excessive and long duct runs.

      • Replace the duct if it is crushed.

      • A duct with too many elbows or bends will cause a long time drying.

      exhaust too long
    4. Length of the ductwork.

      When the ductwork is too long or has too many bends, blockages can occur, and it will be hard to trace. In this case, check the exterior part of the house when the machine is running to see if exhaust air is blowing outside.

      For proper inspection and repair of this situation, contact a local vent cleaning company to clean the vent.

      vent cleaning

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

  69. Check the lint filter.


    When the lint filter is dirty or clogged, it will cause long drying times. Always clean lint from the filter after every cycle.

    lint filter removal

    Open the dryer door and pull the lint filter straight up. Is the filter clean or dirty?

  70. Is the filter torn / damaged?

  71. Clean the lint filter.

    illustrations on how to clean the lint filter

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

  72. Replace the filter.

    A damaged lint filter can allow lint buildup in the venting system. We would recommend having the vents cleaned by a professional and the lint filter be replaced.

    To order a replacement lint filter, please click here.

  73. Inspect the duct.

    Bent or crushed venting will restrict airflow and prevent the unit from heating properly. Straightening out the vent should return proper airflow, allowing the unit to heat properly again. You can watch a video that explains how to fix airflow problems.

    illustration of dryer ductwork both correct and incorrect examples

    Is the ductwork at the rear of the unit bent or crushed?

  74. Straighten the duct work.

    This seems to be the problem. Bent or crushed venting will restrict airflow and prevent the unit from heating properly for safety reasons.

    Straightening out the vent should return proper airflow allowing the unit to heat properly again.

    illustration of dryer ductwork both correct and incorrect examples

  75. Have the home ductwork inspected.

    1. Check for lint buildup.

      Check for lint buildup at the rear exhaust duct, which will cause a long drying time.

      If you need the service of a professional technician, contact a local vent cleaning company to clean the vent.

      check lint buildup
    2. Inspect for damaged exhaust.

      A crushed or damaged exhaust will also cause air blockage. If possible, check every section of your exhaust duct to ensure it is not crushed, kinked or damaged.

      crushed exhaust
    3. Inspect for crushed duct.

      • Avoid excessive and long duct runs.

      • Replace the duct if it is crushed.

      • A duct with too many elbows or bends will cause a long time drying.

      exhaust too long
    4. Length of the ductwork.

      When the ductwork is too long or has too many bends, blockages can occur, and it will be hard to trace. In this case, check the exterior part of the house when the machine is running to see if exhaust air is blowing outside.

      For proper inspection and repair of this situation, contact a local vent cleaning company to clean the vent.

      vent cleaning

    If you have tried the recommended solution above and the unit is not heating, the unit may require service. Please visit our Request a Repair page.

*Required question

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