Discovering that your LG dryer won’t turn off unless the door is open can be a frustrating and potentially worrisome situation. Not only is it inconvenient, but it can also be a safety hazard. However, there are several troubleshooting steps you can take to fix this issue without the need to call a technician.
Key Takeaways:
- One possible cause of an LG dryer not turning off is a stuck or shorted motor relay on the control board.
- Another potential cause is the anti-wrinkling feature being enabled, causing the dryer to continue running until the door is opened.
- You can troubleshoot the door switch by checking for a click sound when opening and closing the door and testing it for continuity using a multimeter.
- To disable the anti-wrinkling function, access the dryer settings and turn it off.
- If the motor relay on the control board is damaged, it can be replaced with a soldering iron or the entire control board can be replaced.
Causes of LG Dryer Not Turning Off
The most common cause of a dryer not turning off unless the door is open is a stuck or shorted motor relay on the control board. This causes the control board signal to stop the dryer to be ignored. Another possible cause is if the anti-wrinkling feature, such as Samsung’s Wrinkle Prevent, is enabled. The dryer may continue rotating until the door is opened.
Stuck Motor Relay
The motor relay on the control board controls the power supply to the dryer motor. If the relay gets stuck or shorted, it can prevent the control board signal to stop the dryer. This can happen due to wear and tear or electrical issues. When this occurs, the dryer will continue running even with the door closed.
Enabled Anti-Wrinkling Feature
Some dryers, like LG dryers, come with an anti-wrinkling feature that continues rotating the drum intermittently after the cycle is complete. If this feature is enabled, the dryer will keep running until the door is opened, regardless of the cycle being finished. This can give the impression that the dryer won’t turn off with a closed door.
Troubleshooting the Door Switch
One of the possible causes for an LG dryer not shutting off automatically is a faulty door switch. To troubleshoot the door switch, follow these steps:
- First, listen for a distinct click sound when opening and closing the dryer door. If you don’t hear the click, it indicates that the door switch might be defective.
- Next, you can test the door switch for continuity using a multimeter. Continuity means that the electrical circuit in the switch is complete. To do this, follow the instructions below:
- Start by unplugging the dryer from the power source for safety.
- Locate the door switch, which is typically located around the dryer door frame. Remove any covers or panels necessary to access the switch.
- Once you’ve exposed the switch, carefully disconnect the wires from the terminals. Make sure to mark or take a picture to remember the wire connections.
- Set your multimeter to test for continuity.
- Touch each of the meter’s probes to one of the switch’s terminals. If the meter indicates no continuity, it means that the door switch is faulty and should be replaced.
If you have determined that the door switch is defective, it’s important to replace it to ensure the proper functioning of your LG dryer. Refer to the dryer’s user manual or contact LG customer support for specific instructions on how to replace the door switch.
By troubleshooting and resolving any issues with the door switch, you can potentially fix the problem of your LG dryer not shutting off automatically.
Disabling the Anti-Wrinkling Function
If your LG dryer won’t stop running even after the cycle is complete, it’s possible that the anti-wrinkling function is enabled. This feature keeps the dryer running intermittently to prevent wrinkles from forming in the clothes. However, if you prefer to manually remove your clothes once the cycle is complete, you can disable the anti-wrinkling function by accessing the dryer settings.
To disable the anti-wrinkling function on your LG dryer, follow these steps:
- Press the power button to turn on the dryer.
- Turn the dial or press the appropriate buttons to navigate to the settings menu.
- Look for an option related to the anti-wrinkling function. It may be labeled as “Wrinkle Prevent” or something similar.
- Select the option to disable the anti-wrinkling function.
- Confirm your selection and exit the settings menu.
Once the anti-wrinkling function is disabled, the dryer should stop running immediately after the cycle is complete. This will prevent unnecessary energy consumption and prolong the lifespan of your dryer.
Checking the Motor Relay on the Control Board
To troubleshoot the issue of your LG dryer not shutting off, it is important to check the motor relay on the control board. This component plays a crucial role in controlling the operation of the dryer. Follow the steps below to properly inspect and address any problems related to the motor relay.
Accessing the Control Board
Begin by accessing the control board, which is located behind the control panel of your dryer. To do this, carefully remove the screws or fasteners that hold the control panel in place. Once the panel is removed, you will have clear access to the control board.
Inspecting for Damage
Take a close look at the control board for any visible signs of damage or burning. A damaged motor relay can cause the dryer to remain stuck in the “on” position. If you notice any signs of damage, such as burnt components or melted spots, it is likely that the motor relay needs to be replaced.
Replacing the Motor Relay
If the motor relay is indeed damaged, it can be replaced either by using a soldering iron or by replacing the entire control board. It is recommended to consult the dryer’s manual or seek professional assistance to ensure safe and accurate replacement. Proper replacement of the motor relay will resolve the issue of the dryer not shutting off.
By carefully inspecting the motor relay on the control board and addressing any issues, you can troubleshoot and fix the problem of your LG dryer not shutting off properly.
Replacing the Motor Relay or Control Board
If the motor relay on the control board of your LG dryer is damaged, there are two options for fixing it. You can either replace the motor relay alone using a soldering iron or opt for replacing the entire control board, which comes with a new motor relay already attached. Let’s explore both options in detail.
Replacing the Motor Relay
To replace the motor relay on your LG dryer, you will need to follow these steps:
- Unplug the dryer from the power source to ensure safety.
- Locate the control board, which is usually positioned behind the control panel of the dryer.
- Carefully disconnect the electrical connectors that are connected to the control board.
- Remove any securing screws or locking tabs that hold the control board in place.
- Once the control board is free, identify the motor relay component.
- Using a soldering iron, desolder the damaged motor relay from the control board.
- Attach the new motor relay to the control board by soldering it in place.
- Reattach the control board to its original position, securing it with screws or locking tabs.
- Connect the electrical connectors back to the control board.
- Plug the dryer back into the power source and test if the issue is resolved.
Replacing the Control Board
If you choose to replace the entire control board, here’s how you can do it:
- Start by unplugging the dryer for safety.
- Access and disconnect the electrical connectors from the control board.
- Remove any securing screws or locking tabs that hold the control board in place.
- Take out the old control board from the dryer.
- Insert the new control board into the dryer, aligning it properly.
- Secure the new control board by tightening the screws or locking tabs.
- Reconnect the electrical connectors to the new control board.
- Plug the dryer back into the power source and test if the issue is resolved.
By following these steps, you can effectively replace the motor relay or control board on your LG dryer to fix the issue of it not turning off unless the door is open.
| Motor Relay Replacement | Control Board Replacement |
|---|---|
| Requires desoldering and soldering skills | Full control board replacement |
| Cost-effective option if motor relay is the only issue | Ensures all components on the control board are in good condition |
| May require expertise or professional help | Relatively straightforward process |
Ultimately, the choice between replacing the motor relay or the control board depends on your comfort level with soldering and the extent of the issue. If you’re not confident in your soldering skills, it may be best to opt for a control board replacement.
Checking and Fixing the Start Button
If you find that the start button on your LG dryer is stuck, it can lead to the dryer continuously running as it constantly sends power to the dryer motor. This can be a frustrating issue to deal with, but there are steps you can take to troubleshoot and fix the problem.
First, try jostling the start button to see if it frees up. Sometimes, the button may get stuck due to debris or mechanical issues. Gently tap or wiggle the button to see if it moves more freely.
If jostling the start button doesn’t solve the problem, it’s possible that the button itself is broken and needs to be repaired or replaced. You can contact LG’s customer support or a professional technician for assistance in fixing or replacing the start button.
By following these steps, you can troubleshoot and resolve the issue with the start button on your LG dryer. Remember to exercise caution when working with electrical components and consider seeking professional help if needed.
Checking and Fixing the Thermostat and Timer
The thermostat and timer in the LG dryer can sometimes malfunction, causing the dryer to continue running even when it should turn off. Let’s explore how to check these components and fix any issues that may be causing the problem.
Checking the Thermostat
The thermostat plays a crucial role in regulating the temperature inside the dryer. If it malfunctions, it may not send the correct signals to stop the dryer, resulting in continuous operation.
To check the thermostat:
- Disconnect the dryer from the power source.
- Locate the thermostat, which is usually found near the heating element or blower assembly.
- Using a multimeter set to the continuity function, test the thermostat by touching the meter probes to its terminals.
- If the thermostat has no continuity, it is likely defective and needs to be replaced.
Inspecting the Timer
The timer controls the duration of the drying cycle. If it is faulty, it may not send the correct signals to stop the dryer, causing it to run continuously.
To inspect the timer:
- Disconnect the dryer from the power source.
- Locate the timer, typically located on the control panel. Refer to the dryer’s manual for specific instructions.
- Visually inspect the timer for any physical damage or signs of wear and tear.
- If the timer appears damaged or faulty, it will need to be replaced to resolve the issue.
Once you have identified any issues with the thermostat or timer, you can replace the faulty component following the manufacturer’s instructions. It’s important to ensure you have the correct replacement part to maintain the dryer’s functionality.
Remember to always consult the dryer’s manual or seek professional assistance if you are unsure about any repair procedures to avoid any potential risks or damage to the appliance.
Next, we will cover troubleshooting and fixing the start button, which can also contribute to a dryer that won’t turn off.
Considering Replacing the Control Board
If none of the previous troubleshooting steps resolve the issue, it is possible that the control board itself is defective. While this is a less common cause, it can happen in some cases.
Replacing the control board is a viable solution to fix a dead control board in an LG dryer. By replacing the faulty control board, you can restore the normal functioning of your dryer and ensure that it turns off properly.
However, before proceeding with the control board replacement, it’s important to assess the feasibility of this option. Check the cost of a new control board and consider whether it is a cost-effective solution compared to purchasing a new dryer.
Take into account the age and condition of your dryer when making this decision. If the control board replacement cost is too high or if your dryer is already nearing the end of its lifespan, it might be more practical to invest in a new dryer altogether.
Control Board Replacement Cost Comparison
| Control Board Replacement | Pros | Cons |
|---|---|---|
| Pros |
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Ultimately, the decision to replace the control board or purchase a new dryer depends on your specific circumstances and preferences. Consulting with a professional technician can provide valuable insights and guidance regarding the best course of action.
If you choose to replace the control board, ensure that you purchase the correct replacement part for your specific LG dryer model. Refer to the dryer’s user manual or contact LG customer support for assistance in identifying the compatible control board.
Next, follow the manufacturer’s instructions or seek professional assistance to safely remove the old control board and install the new one. Take note of the proper wiring connections and ensure that all electrical connections are securely fastened.
Once the replacement control board is installed, test the dryer to ensure that it now turns off properly. If the issue persists or if you are uncertain about the installation process, it is advisable to consult a professional technician for further assistance.
Conclusion
Fixing an LG dryer that won’t turn off unless the door is open requires a step-by-step troubleshooting process. By following the guidelines provided in this article, you can identify and resolve the issue without the need for professional help. Start by checking and fixing the door switch, ensuring that it is working properly. If necessary, disable the anti-wrinkling function on your dryer to prevent it from running continuously.
If the problem persists, inspect the motor relay on the control board for any signs of damage. You can attempt to replace the motor relay with a soldering iron or replace the entire control board. Additionally, check and fix the start button if it is stuck or broken. Finally, examine the thermostat and timer, replacing them if they are defective.
If all of these troubleshooting steps fail, consider the possibility of a faulty control board. Depending on the severity of the issue, you may need to replace the control board or consider investing in a new dryer. By following these troubleshooting methods, you can resolve the problem and ensure that your LG dryer operates efficiently and safely.
FAQ
What could be causing my LG dryer to stay on unless the door is open?
There are a few possible causes for this issue. It could be a stuck or shorted motor relay on the control board, the anti-wrinkling feature being enabled, or a problem with the door switch.
How can I troubleshoot the door switch?
You can start by listening for a click sound when opening and closing the door. If you don’t hear a click, the switch may be defective. You can test the door switch for continuity using a multimeter. If it has no continuity, it needs to be replaced.
How do I disable the anti-wrinkling function on my LG dryer?
To disable the anti-wrinkling function, you can access the dryer settings and turn it off. This should stop the dryer from running continuously.
How can I check the motor relay on the control board?
To check the motor relay on the control board, you need to access the control board behind the control panel of the dryer. Look for any damage or signs of burning on the control board. If the motor relay is damaged, it can be replaced with a soldering iron or by replacing the entire control board.
How do I replace the motor relay or control board on my LG dryer?
If the motor relay on the control board is damaged, it can be replaced with a soldering iron. Alternatively, you can replace the entire control board, which comes with a new motor relay attached. To replace these components, you need to remove the control board from the dryer. Disconnect the electrical connectors and remove any securing screws or locking tabs.
What should I do if the start button on my LG dryer is stuck?
If the start button is stuck, it can constantly send power to the dryer motor, causing it to continue running. You can try jostling the start button to free it. If it is broken, it needs to be repaired or replaced.
How can I check and fix the thermostat and timer in my LG dryer?
The thermostat and timer in the dryer can also cause it to continue running. If these components are defective, they may not send the correct signals to stop the dryer. You can test them using a multimeter. If they have no continuity, they need to be replaced.
What should I do if none of the previous troubleshooting steps resolve the issue?
If none of the previous troubleshooting steps resolve the issue, it is possible that the control board itself is defective. This is a less common cause, but it can happen. You can consider replacing the control board or getting a new dryer if the control board replacement is not feasible.