Is your LG dehumidifier refusing to turn on when you need it most? You’re not alone. Many people face this frustrating issue, especially during humid months when a working dehumidifier is essential for comfort and air quality.
Key Takeaways
- Identify Power Issues: Ensure that your LG dehumidifier is properly plugged in, the outlet is functional, and the circuit breaker is not tripped before considering other troubleshooting steps.
- Check for Damage: Inspect the power cord and control board for any signs of wear or damage that might prevent the unit from powering on.
- Follow Troubleshooting Steps: Unplug the unit for at least 10 minutes to reset it, and check for a reset button if applicable; these steps can resolve minor electronic glitches.
- Regular Maintenance is Key: Cleaning the unit and replacing the filter regularly can significantly enhance the efficiency and longevity of your LG dehumidifier.
- Seek Professional Help When Needed: If troubleshooting fails or you observe unusual noises and persistent error codes, consult a qualified technician to avoid further issues and ensure safety.
Common Causes Of LG Dehumidifier Malfunctions
Several reasons can prevent your LG dehumidifier from turning on. Identifying these causes can lead to effective solutions and restore your device’s function.
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Power Supply Issues
Power supply issues often lead to the dehumidifier not powering on. Check the following:
- Plug Connection: Ensure the power cord is firmly connected to both the dehumidifier and the outlet.
- Outlet Functionality: Test the outlet by plugging in a different device. If it doesn’t work, try another outlet.
- Circuit Breaker: Inspect your home’s circuit breaker. A tripped breaker or blown fuse can stop power flow to the dehumidifier.
- Power Cord Damage: Look for fraying or damage on the power cord. If the cord is damaged, replace it immediately for safety.
- Signs of Damage: Look for burn marks or physical damage on the control board. Physical anomalies usually indicate a malfunction.
- Reset Option: Sometimes, performing a reset can restore the control board’s functionality. Unplug the unit for a few minutes, then plug it back in.
- Professional Help: If you suspect control board issues, consult a professional. A technician can accurately assess and repair the control board.
Troubleshooting Steps To Try
If your LG dehumidifier won’t turn on, follow these troubleshooting steps to identify the issue and get your unit running again.
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Check The Power Source
- Check the plug connection. Ensure that the dehumidifier’s power cord is securely connected to the outlet. A loose connection can prevent the unit from receiving power.
- Test the outlet. Use a different device, like a lamp or phone charger, to confirm the outlet works. If that device doesn’t power on, the outlet may be faulty.
- Inspect the circuit breaker. Check your home’s electrical panel for any tripped breakers. If you find a tripped breaker, reset it and try turning on the dehumidifier again.
- Examine the power cord for damage. Look for any visible signs of wear, fraying, or cuts. If the cord is damaged, avoid using the unit and consider replacing it.
- Unplug the dehumidifier. Disconnect it from the power source and leave it unplugged for at least 10 minutes. This pause can help reset internal settings.
- Reconnect the power. After the 10 minutes, plug the unit back in and see if it powers on. Sometimes, a reset can resolve minor electronic glitches.
- Press the reset button if equipped. Some models include a reset button; consult your user manual for its location and instructions on how to use it.
These steps can help diagnose and potentially fix the problem with your LG dehumidifier. If the device remains unresponsive after trying these methods, contacting a professional technician for further assistance might be necessary.
Maintenance Tips For LG Dehumidifiers
Proper maintenance keeps your LG dehumidifier running efficiently. Regular care prevents issues and ensures optimal performance.
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Regular Cleaning
Regular cleaning of your dehumidifier enhances its efficiency. Dust and dirt can obstruct airflow and reduce effectiveness. Here’s how to clean your unit:
- Unplug the Unit: Always unplug your dehumidifier before cleaning.
- Wipe the Exterior: Use a damp cloth to clean the outside. Avoid harsh chemicals.
- Clean the Coils: Check the condenser coils. Use a soft brush or vacuum attachment to remove debris.
- Empty the Water Tank: Regularly empty the tank if it doesn’t self-drain. Clean it with mild soap and water.
- Inspect the Drain Line: Clear any blockages in the drain line to ensure proper drainage.
Filter Replacement
The filter in your LG dehumidifier plays a crucial role in maintaining air quality. Check and replace it regularly for optimal performance. Follow these steps:
- Check Filter Status: Look at the filter every 30 days. Replace if it appears dirty or clogged.
- Remove the Filter: Take out the filter according to your model’s instructions. Typically, it slides out easily.
- Replace or Clean: If your filter is reusable, wash it with water. If not, install a new filter of the same type.
- Reinsert the Filter: Ensure the filter clicks back into place securely.
- Reset the Filter Indicator: If your model has a filter indicator, reset it after replacement.
Adhering to these maintenance tips helps prolong the life of your LG dehumidifier and keeps your air quality in check.
When To Seek Professional Help
Recognizing when to seek professional help with your LG dehumidifier can prevent further issues and ensure effective repairs. If troubleshooting efforts fail, consider these factors.
Diagnosing Complex Problems
Diagnosing complex problems with your dehumidifier requires careful observation. Pay attention to unusual sounds, persistent error codes, or inconsistencies in performance. If the unit emits strange noises or vibrations, it could indicate internal component failure.
Check the display panel for error codes. Refer to the user manual for code interpretations. Codes that persist despite resets often signify deeper issues.
If the dehumidifier runs but doesn’t collect water, internal components may be malfunctioning. Consider checking the reservoir for blockages or overflow. If everything appears clear, and the issue continues, call a technician.
For persistent electrical issues, such as frequent tripped circuits, professional evaluation is crucial. Dealing with electrical components can be hazardous without proper training.
Conclusion
Dealing with an LG dehumidifier that won’t turn on can be frustrating but don’t lose hope. By following the troubleshooting steps and maintenance tips provided, you can often resolve the issue on your own. Remember to check the power source and inspect the unit regularly to keep it running smoothly.
If you find yourself stuck despite your efforts it might be time to call in a professional. They can help diagnose any underlying issues and get your dehumidifier back to work. Keeping your home comfortable and air quality high is worth the effort.
Frequently Asked Questions
Why does my LG dehumidifier not turn on?
Your LG dehumidifier may not turn on due to several reasons, with power supply issues being the most common. Check if the plug is secure, test the outlet with another device, inspect the circuit breaker, and examine the power cord for any visible damage.
How can I reset my LG dehumidifier?
To reset your LG dehumidifier, unplug it from the power source for at least 10 minutes. After waiting, plug it back in and check if it powers up. If available, you can also press the reset button.
When should I seek professional help for my dehumidifier?
You should contact a professional if your dehumidifier exhibits unusual sounds, persistent error codes, or inconsistent performance. If it runs without collecting water or electrical issues, such as frequent tripped circuits, arise, seek expert evaluation.
How often should I clean my LG dehumidifier?
For optimal performance, you should clean your LG dehumidifier regularly. It’s recommended to wipe the exterior, clean the coils, and empty the water tank. Routine cleaning helps maintain airflow and effectiveness.
How do I maintain the filter in my LG dehumidifier?
Check the filter of your LG dehumidifier every 30 days. Replace or clean it as needed to ensure good air quality. Also, make sure to reset the filter indicator if your model includes one.

Hey, I’m Jake. I focus on cooling systems at Appliance Mastery, like fridges, freezers, and air conditioners.
I’ve worked in appliance repair for more than ten years and I’m certified through NASTeC. I’ve seen just about every fridge issue you can imagine.
My goal is to help you fix problems without stress. Whether it’s a freezer that won’t cool or an AC that keeps beeping, I’m here to walk you through it.







