LG WM4000HWA Common Problems and Troubleshooting

When sleek good looks meet powerful cleaning and intelligent performance, you’ll experience laundry on a whole new level. TurboWash 360° cleans larger loads fast so you get more done while enjoying the same great washing performance. And forget about endless sorting—AI technology uses built-in sensors to detect fabric texture and load size and then automatically selects the right settings for advanced fabric care.

Activate Smart Pairing in the ThinQ app, and the washer can even tell the dryer to select a compatible drying cycle, making it the ultimate laundry hack. The gentle power of steam reduces common household allergens in fabrics by more than 95%*. Durable and stylish tempered glass door with rose gold accents adds the perfect finish. *Based on certification by the Asthma and Allergy Foundation of America (AAFA).

Product Details and Features

Product Details

Features

Brand: LG Capacity: 4.5 cu. ft. Ultra Large Capacity High-Efficiency: Yes Steam Function: Yes Washer Load Type: Front load Pedestal Model Compatibility: WDP6W, WD300CW Matching Dryer Model Number: DLEX4000W, DLGX4001W Stackable: Yes Stacking Kit Model Compatibility: KSTK1 App-Controlled: Yes App-Controlled Features: SmartDiagnosis, Energy Monitoring, Cycle Monitoring, Remote Start, Maintenance Alerts, Performance Tips Color Finish: White

TurboWash 360° Technology ThinQ Care Built-In Intelligence AAFA Certified LG Washer ThinQ Technology Tempered Glass Door ColdWash Technology Direct Drive Motor 10-Year Limited Warranty ENERGY STAR Certified LG SideKick Compatible Closet Depth NeveRust Stainless Steel Tub TubClean System TrueBalance Anti-Vibration System & LoDecibel Quiet Operation SpeedWash Cycle Requires fill hose (not included) for standard hook-up upon delivery.

Causes of Common Problems with the LG WM4000HWA

This article addresses possible problems and solutions with the LG WM4000HWA washing machine.

1. Leakage from the Washer – Water Inlet Valve Issue

Description: If you notice water leaking from your LG WM4000HWA washer, it could be due to a malfunctioning water inlet valve.

Cause: The water inlet valve may be clogged or damaged, preventing proper water flow and causing leakage.

Troubleshooting:

1. Turn off the washer and unplug it from the power source.
2. Locate the water inlet valve, usually at the back of the machine.
3. Inspect the valve for any visible damage or debris. Clean the valve if necessary.
4. If the valve is damaged or clogged beyond repair, it may need to be replaced. Contact a qualified technician or LG customer service for assistance.

2. Washer Not Spinning Properly – Motor or Belt Issue

Description: If your LG WM4000HWA washer is not spinning or spinning inconsistently, there may be an issue with the motor or belt.

Cause: The motor or belt responsible for spinning the drum may be faulty or worn out, resulting in improper spinning action.

Troubleshooting:

1. Ensure the washer is properly balanced and not overloaded with clothes.
2. Check if the belt connecting the motor and drum is intact. Replace the belt if it appears damaged or worn out.
3. If the belt is in good condition, but the motor is not functioning correctly, it may need to be replaced. Contact a qualified technician for assistance.

3. Error Code “OE” – Drainage System Problem

Description: If you encounter error code “OE” on your LG WM4000HWA washer, it indicates a problem with the drainage system.

Cause: The drainage hose may be clogged or improperly installed, preventing efficient water drainage and triggering the error code.

Troubleshooting:

1. Turn off the washer and unplug it from the power source.
2. Check the drainage hose for any obstructions or kinks. Clear any blockages and straighten the hose if necessary.
3. Ensure the drainage hose is properly connected to the washer and the drain pipe.
4. If the issue persists, there may be a problem with the drain pump or other components. Contact a qualified technician for further assistance.

4. Excessive Noise During Operation – Loose Drum or Damaged Shock Absorbers

Description: If your LG WM4000HWA washer produces excessive noise during operation, it could be due to a loose drum or damaged shock absorbers.

Cause: The drum may have become loose or the shock absorbers that dampen vibrations and movements of the drum may be damaged.

Troubleshooting:

1. Turn off the washer and unplug it from the power source.
2. Carefully remove the back panel of the washer.
3. Inspect the drum for any looseness. If the drum is loose, tighten the bolts holding it in place.
4. Check the shock absorbers for any visible damage or wear. Replace them if necessary.
5. Reassemble the back panel and ensure all components are securely in place.

5. Foul Odor from the Washer – Mold or Mildew Buildup

Description: If you notice a foul odor emanating from your LG WM4000HWA washer, it is likely due to mold or mildew buildup inside the machine.

Cause: Moisture and residue from detergent or fabric softener can accumulate over time, creating an ideal environment for mold and mildew growth.

Troubleshooting:

1. Run a cleaning cycle with hot water and bleach or a specialized washer cleaner recommended by LG.
2. After the cleaning cycle, thoroughly wipe down the drum, door seal, and other accessible parts with a damp cloth.
3. Leave the door of the washer open between cycles to allow for proper air circulation and drying.
4. Regularly clean and dry the detergent dispenser drawer to prevent residue buildup.
5. If the odor persists, consider using a mold and mildew remover specifically designed for washing machines. Follow the instructions provided by the manufacturer.

6. Error Code “UE” – Unbalanced Load

Description: If you encounter error code “UE” on your LG WM4000HWA washer, it indicates an unbalanced load inside the drum.

Cause: The clothes inside the washer may be distributed unevenly, causing the drum to be unbalanced during the spin cycle.

Troubleshooting:

1. Turn off the washer and redistribute the clothes inside the drum to achieve a balanced load.
2. Ensure that the clothes are spread evenly around the drum without overstuffing it.
3. Restart the washer and select the appropriate cycle. The error code should clear if the load is balanced.
4. If the error persists, check for any loose or damaged suspension springs or other components. Contact a qualified technician for further assistance.

7. Failure to Start – Power Supply or Control Board Issue

Description: If your LG WM4000HWA washer fails to start when the power button is pressed, there may be a problem with the power supply or control board.

Cause: The power cord may be unplugged or not properly connected, or there could be a malfunction in the control board.

Troubleshooting:

1. Ensure that the power cord is securely plugged into a working electrical outlet.
2. Check the power switch on the washer and make sure it is turned on.
3. If the power supply is not the issue, unplug the washer and plug it back in after a few minutes to reset the control board.
4. If the problem persists, there may be a fault in the control board. Contact a qualified technician or LG customer service for assistance.

8. Excessive Vibration During Spin Cycle – Leveling or Shock Absorber Issue

Description: If your LG WM4000HWA washer vibrates excessively during the spin cycle, it could be due to improper leveling or damaged shock absorbers.

Cause: The washer may not be properly leveled on the floor or the shock absorbers that dampen vibrations may be worn or broken.

Troubleshooting:

1. Check if the washer is placed on a level surface. Adjust the leveling feet or place a mat underneath the washer to ensure stability.
2. Inspect the shock absorbers for any visible damage or wear. Replace them if necessary.
3. Ensure that the clothes inside the drum are evenly distributed to prevent an unbalanced load, which can cause excessive vibrations.
4. If the problem persists, there may be an issue with the suspension springs or other components. Contact a qualified technician for further assistance.

9. Error Code “LE” – Locked Motor Issue

Description: If you encounter error code “LE” on your LG WM4000HWA washer, it indicates a locked motor problem.

Cause: The motor may be unable to rotate freely, leading to the error code.

Troubleshooting:

1. Turn off the washer and unplug it from the power source.
2. Check for any obstructions around the drum or inside the pump filter that may be causing the motor to lock.
3. Carefully rotate the drum by hand to ensure it moves smoothly without any resistance.
4. If the motor remains locked or the error code persists, there may be a fault with the motor itself. Contact a qualified technician for further assistance.

10. Excessive Foam During Wash – Excess Detergent or Incorrect Detergent Type

Description: If your LG WM4000HWA washer produces excessive foam during the wash cycle, it could be due to using too much detergent or the wrong type of detergent.

Cause: Overdosing detergent or using a high-sudsing detergent can cause excessive foam, leading to poor washing performance.

Troubleshooting:

1. Ensure that you are using the correct type and amount of detergent recommended for the washer.
2. Measure the detergent following the manufacturer’s instructions and avoid using more than the recommended amount.
3. If you accidentally used too much detergent, run an extra rinse cycle to remove the excess foam.
4. Switch to a low-sudsing or high-efficiency detergent specifically designed for front load washers.
5. Regularly clean the detergent dispenser drawer and remove any residue buildup to prevent future foam issues.

11. Drum Not Spinning at High Speeds – Motor or Control Board Issue

Description: If the drum of your LG WM4000HWA washer does not spin at high speeds, there may be a problem with the motor or control board.

Cause: A malfunctioning motor or control board can prevent the drum from reaching high spinning speeds.

Troubleshooting:

1. Check if the drum is properly balanced and not overloaded with clothes. An unbalanced load can cause the drum to spin at lower speeds.
2. Ensure that the washer is placed on a level surface to prevent any potential balance issues.
3. If the drum is balanced and the problem persists, there may be a fault in the motor or control board. Contact a qualified technician for further diagnosis and repair.

12. Error Code “PE” – Water Level Sensor Issue

Description: If you encounter error code “PE” on your LG WM4000HWA washer, it indicates a problem with the water level sensor.

Cause: The water level sensor may be faulty or incorrectly detecting the water level in the washer.

Troubleshooting:

1. Turn off the washer and unplug it from the power source.
2. Check the water level sensor for any visible damage or loose connections. Secure any loose connections and replace the sensor if necessary.
3. If the sensor appears to be in good condition, there may be an issue with the control board. Contact a qualified technician for further assistance.

13. Excessive Vibration During Spin Cycle – Unbalanced Load or Damaged Suspension Springs

Description: If your LG WM4000HWA washer experiences excessive vibration during the spin cycle, it could be due to an unbalanced load or damaged suspension springs.

Cause: Unevenly distributed clothes inside the drum or worn-out suspension springs can cause excessive vibrations.

Troubleshooting:

1. Turn off the washer and redistribute the clothes inside the drum to achieve a balanced load.
2. Ensure that the clothes are spread evenly and not clumped together.
3. Inspect the suspension springs for any visible damage or signs of wear. Replace them if necessary.
4. If the problem persists, there may be an issue with other components, such as the shock absorbers or drum bearings. Contact a qualified technician for further assistance.

14. Washer Not Filling with Water – Water Inlet Valve or Water Supply Issue

Description: If your LG WM4000HWA washer is not filling with water, there may be a problem with the water inlet valve or the water supply.

Cause: The water inlet valve may be clogged or faulty, or there may be an issue with the water supply itself.

Troubleshooting:

1. Check if the water supply to the washer is turned on and the water pressure is sufficient.
2. Inspect the water inlet valve for any visible debris or blockages. Clean or replace the valve if necessary.
3. Ensure that the water inlet hoses are securely connected to both the washer and the water supply.
4. If the problem persists, there may be a plumbing issue with the water supply. Contact a plumber or LG customer service for further assistance.

15. Error Code “dE” – Door Locking Mechanism Issue

Description: If you encounter error code “dE” on your LG WM4000HWA washer, it indicates a problem with the door locking mechanism.

Cause: The door lock may be malfunctioning or not engaging properly.

Troubleshooting:

1. Ensure that the washer door is securely closed and there are no obstructions preventing it from locking.
2. Check the door lock mechanism for any visible damage or misalignment. Adjust or replace the lock if necessary.
3. Unplug the washer for a few minutes and plug it back in to reset the control board.
4. If the error code persists, there may be a fault in the door lock mechanism or control board. Contact a qualified technician for further assistance.

16. Not Draining Properly – Clogged Drain Pump or Drain Hose Issue

Description: If your LG WM4000HWA washer is not draining properly, there may be a clog in the drain pump or drain hose.

Cause: Debris, lint, or other objects can accumulate in the drain pump or drain hose, impeding proper water drainage.

Troubleshooting:

1. Turn off the washer and unplug it from the power source.
2. Check the drain pump and drain hose for any visible obstructions or clogs. Clear the debris if possible.
3. Inspect the drain hose for kinks or bends that may restrict water flow. Straighten the hose if necessary.
4. If the problem persists, there may be a problem with the drain pump itself. Contact a qualified technician for further assistance.

17. Error Code “FE” – Overfilling Issue

Description: If you encounter error code “FE” on your LG WM4000HWA washer, it indicates an overfilling issue.

Cause: The water level sensor may be malfunctioning, causing the washer to continue filling with water beyond the intended level.

Troubleshooting:

1. Turn off the washer and unplug it from the power source.
2. Check the water level sensor for any visible damage or loose connections. Secure any loose connections and replace the sensor if necessary.
3. If the sensor appears to be in good condition, there may be a problem with the control board. Contact a qualified technician for further assistance.

18. Abnormal Smell During Operation – Mold or Mildew Growth

Description: If you notice an abnormal smell coming from your LG WM4000HWA washer during operation, it may be due to mold or mildew growth.

Cause: Moisture and residue buildup inside the washer can lead to the growth of mold and mildew, causing unpleasant odors.

Troubleshooting:

1. Run a cleaning cycle with hot water and a specialized washer cleaner or vinegar to remove mold and mildew.
2. After the cleaning cycle, wipe down the drum, door seal, and other accessible parts with a damp cloth to remove any remaining residue.
3. Leave the door of the washer open between cycles to allow for proper ventilation and drying.
4. Regularly clean the detergent dispenser drawer and remove any residue buildup.
5. If the odor persists, consider using a mold and mildew remover specifically designed for washing machines. Follow the instructions provided by the manufacturer.

19. Error Code “IE” – Water Inlet Issue

Description: If you encounter error code “IE” on your LG WM4000HWA washer, it indicates a water inlet issue.

Cause: The washer may not be receiving sufficient water supply or there could be a problem with the water inlet valve.

Troubleshooting:

1. Check if the water supply to the washer is turned on and the water pressure is adequate.
2. Inspect the water inlet valve for any visible damage or blockages. Clean or replace the valve if necessary.
3. Ensure that the water inlet hoses are securely connected to both the washer and the water supply.
4. If the problem persists, there may be a plumbing issue with the water supply. Contact a plumber or LG customer service for further assistance.

20. Excessive Wrinkling of Clothes – Overloading or Incorrect Cycle Selection

Description: If your LG WM4000HWA washer causes excessive wrinkling of clothes, it may be due to overloading or incorrect cycle selection.

Cause: Overloading the washer with too many clothes or selecting the wrong cycle for the fabric type can lead to excessive wrinkling.

Troubleshooting:

1. Ensure that you are not overloading the washer and leaving enough space for the clothes to move freely.
2. Refer to the manufacturer’s guidelines for recommended load sizes and fabric types for each cycle.
3. Select the appropriate cycle based on the fabric type and soil level of the clothes.
4. Consider using a lower spin speed or selecting a specialized cycle for delicate fabrics to minimize wrinkling.
5. If the problem persists, check the condition of the drum and ensure there are no sharp edges or rough spots that could contribute to excessive wrinkling. Contact a qualified technician for further assistance if needed.

21. Error Code “UE” – Unbalanced Load

Description: If you encounter error code “UE” on your LG WM4000HWA washer, it indicates an unbalanced load inside the drum.

Cause: The clothes inside the washer may be distributed unevenly, causing the drum to be unbalanced during the spin cycle.

Troubleshooting:

1. Turn off the washer and redistribute the clothes inside the drum to achieve a balanced load.
2. Ensure that the clothes are spread evenly around the drum without overstuffing it.
3. Restart the washer and select the appropriate cycle. The error code should clear if the load is balanced.
4. If the error persists, check for any loose or damaged suspension springs or other components. Contact a qualified technician for further assistance.

22. No Power or Display – Power Supply or Control Board Issue

Description: If your LG WM4000HWA washer shows no power or display, there may be a problem with the power supply or control board.

Cause: The power cord may be unplugged, the electrical outlet may not be functioning, or there could be a fault in the control board.

Troubleshooting:

1. Check if the power cord is securely plugged into a functioning electrical outlet.
2. Test the outlet by plugging in another electronic device to ensure it is supplying power.
3. If the outlet is working, unplug the washer for a few minutes and plug it back in to reset the control board.
4. If there is still no power or display, there may be a fault in the control board or other electrical components. Contact a qualified technician or LG customer service for further assistance.

23. Abnormal Noise During Operation – Loose or Worn-out Parts

Description: If your LG WM4000HWA washer produces abnormal noise during operation, there may be loose or worn-out parts.

Cause: Components such as belts, bearings, or pulleys can become loose or worn over time, leading to unusual noises.

Troubleshooting:

1. Turn off the washer and unplug it from the power source.
2. Carefully inspect the belts, bearings, and pulleys for any visible signs of damage, wear, or looseness.
3. Tighten any loose components or replace them if necessary.
4. If the noise persists, there may be other internal issues. Contact a qualified technician for further diagnosis and repair.

LG WM4000HWA Washing Machine User Reviews

Positive Reviews from LG WM4000HWA Washing Machine Users

Based on reviews from LG WM4000HWA Washing Machine users available online, some users were satisfied with the following parameters associated with their positive experience:

• Efficient cleaning performance: Users praised the washer’s ability to thoroughly clean their clothes, even heavily soiled items.
• Large capacity: The spacious drum of the LG WM4000HWA allowed users to wash bigger loads, reducing the number of laundry cycles required.
• Quiet operation: Many users appreciated the washer’s quiet operation, allowing them to do laundry without disturbing the household.
• Convenient features: Users found the built-in intelligence, Wi-Fi connectivity, and smart functions, such as smartphone control and compatibility with the ThinQ app, to be valuable additions.
• Overall durability: Several users mentioned that their previous LG washers had lasted for many years, and they expected the same longevity from the WM4000HWA model.

These positive reviews indicate that the LG WM4000HWA Washing Machine received favorable feedback in terms of cleaning performance, capacity, quietness, convenience, and overall durability.

Negative User Reviews of the LG WM4000HWA Washing Machine

Based on negative user reviews of the LG WM4000HWA Washing Machine available on the Internet, some users were not satisfied with the following problems associated with the washer:

• Leakage issues: Several users reported experiencing leaks from their washers, either immediately after purchase or within a short period of time.
• Noise and vibration: Some users mentioned that the washer produced excessive noise and vibrations during operation, causing inconvenience and disruption.
• Connectivity and app issues: A few users expressed dissatisfaction with the Wi-Fi connectivity and app functionality, reporting difficulties in linking the washer to the LG ThinQ app or experiencing unreliable performance.
• Installation and setup challenges: Certain users encountered problems during the installation and setup process, including issues with leveling and missing or insufficient instructions.

These negative reviews highlight the concerns raised by users regarding leakage, noise, connectivity, and installation challenges with the LG WM4000HWA Washing Machine.

Note: The information about user reviews is taken from the site Walmart.com.

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LG WM4000HWA Washing Machine Manual

The operating instructions for the LG WM4000HWA can be found on the manufacturer’s website. Please visit the official LG website and navigate to the support or product page for the WM4000HWA model to access the manual. The manual provides detailed information on installation, operation, maintenance, and troubleshooting of the washing machine.

Frequently Asked Questions

Q: How do I clean the drum of the LG WM4000HWA Washing Machine?

A: To clean the drum of the LG WM4000HWA, you can follow these steps:

1. Ensure the washing machine is empty and not running.
2. Prepare a cleaning solution by mixing equal parts of water and white vinegar.
3. Pour the cleaning solution into the detergent dispenser or directly into the drum.
4. Select a cleaning cycle or a normal cycle with hot water.
5. Start the cycle and allow it to complete.
6. After the cycle, wipe the drum and other interior surfaces with a clean, damp cloth.
7. Leave the door open for a while to allow the drum to air dry.

Regular drum cleaning helps maintain the performance and cleanliness of the washing machine.

Q: Why is the LG WM4000HWA displaying an error code?

A: If the LG WM4000HWA displays an error code, it indicates a specific issue with the machine. Each error code corresponds to a particular problem, and the solution may vary. Here are some general steps to troubleshoot error codes on the LG WM4000HWA:

1. Refer to the user manual or the manufacturer’s website for a list of error codes and their meanings.
2. Identify the error code displayed on the machine.
3. Check if there are any visible issues, such as clogged filters, kinked hoses, or excessive detergent usage.
4. Try resetting the washing machine by unplugging it from the power source for a few minutes and then plugging it back in.
5. If the error persists, contact LG customer service or a qualified service technician for further assistance.

Professional support can help diagnose and resolve specific error codes on the LG WM4000HWA.

Q: How can I resolve excessive vibration and noise during the spin cycle of the LG WM4000HWA?

A: Excessive vibration and noise during the spin cycle of the LG WM4000HWA can be addressed by following these steps:

1. Ensure the washing machine is level. Use a leveling tool to check the machine’s balance and adjust the leveling feet if necessary.
2. Make sure the load is balanced inside the drum. Unevenly distributed items can cause vibration. Rearrange the clothes to distribute the weight evenly.
3. Check if the washing machine is placed on a stable and solid surface. Uneven or weak flooring can contribute to vibration and noise.
4. Reduce the load size. Overloading the drum can lead to imbalance and excessive vibration.
5. If the problem persists, inspect the shock absorbers and springs. Damaged or worn-out components may require replacement.

Addressing these factors can help minimize vibration and noise during the spin cycle of the LG WM4000HWA washing machine.

Conclusion

In case of any problems with the LG WM4000HWA washing machine, it is always recommended to refer to the manual provided by the manufacturer. The manual contains detailed instructions on installation, operation, maintenance, and troubleshooting specific to the WM4000HWA model. If further assistance is needed, contacting LG customer service or a certified service center is advised. Their expertise can help diagnose and resolve any issues with the washing machine effectively.