LG Washing Machine Is Not Heating: Troubleshooting Guide

The LG washing machine is not heating because of a faulty heating element or a malfunctioning thermostat. If you have this problem, it’s important to find out why so you can fix or replace the broken part.

To fix a LG washing machine that doesn’t heat up, learn why it’s happening. This will help your machine work well and give you warm, clean clothes.

Is The Power Supply Properly Connected?

When encountering an issue with your LG washing machine not heating, one of the first things to check is if the power supply is properly connected. Start by ensuring that the washing machine is securely plugged into a functioning power source.

Power supply

Sometimes, loose connections can cause a lack of heating. Please check if you have securely plugged in the power cord and if you can see any damages or broken wires.

Please check if the washing machine is properly plugged in and if the power cord is fine. Then, make sure the power source is working correctly. Test the outlet by plugging in another device and see if it powers on.

To determine why the washing machine is not receiving electricity, first check if the outlet has power. If it doesn’t, then inspect the circuit breaker or fuse box. Look for any tripped breakers or blown fuses, as these could be the cause of the issue.

Remember, a properly connected and functioning power supply is crucial for the heating function of your LG washing machine. Follow these steps to fix power-related issues and resolve the problem of your washing machine not heating.

Inspect The Washer’s Heating Element

Lg washing machines are equipped with a heating element that serves an important purpose in the laundry process. The heating element is responsible for raising the temperature of the water to the desired level, making it essential for a successful wash cycle. If your Lg washing machine is not heating, it could be indicative of a faulty heating element.

To inspect the washer’s heating element, follow these steps:

Step 1: Disconnect the power supply and ensure the washing machine is turned off.
Step 2: Access the heating element, usually located at the back of the machine.
Step 3: Examine the heating element for any signs of damage or malfunction.

If you notice any visible issues, such as burnt or broken components, it is likely that the heating element needs to be replaced. In such cases, it is recommended to contact a professional repair technician or reach out to the manufacturer for assistance.

Taking these steps can help resolve the issue of the Lg washing machine not heating and ensure optimal performance of your appliance.

Assess The Thermostat And Thermal Fuse

Checking the thermostat and thermal fuse in an LG washing machine is important for fixing a heating problem. The thermostat and thermal fuse play a vital role in the heating process of the machine.v

The thermostat is responsible for monitoring and regulating the temperature of the water during the washing cycle. If it malfunctions, it can cause the machine to not heat properly.

Similarly, the thermal fuse acts as a safety device to protect the washing machine from overheating. If it detects a high temperature, it will cut off the power to prevent any potential damage.

To find a broken thermostat or thermal fuse, look for visible damage or test them with a multimeter. If either component is found to be faulty, it is important to replace it with a compatible replacement part to ensure the proper heating of the LG washing machine.

Replacing a faulty thermostat or thermal fuse involves disconnecting the power, accessing the control panel, removing the faulty component, and installing the new one. Care should be taken to follow the manufacturer’s instructions or seek professional help if needed to ensure a safe replacement process.

Examine The Control Board And Wiring

Control Board

To troubleshoot the issue of an LG washing machine not heating, it is important to examine the control board and wiring. The control board plays a crucial role in the heating system of the machine. It is responsible for regulating and monitoring the temperature during the heating process. Any malfunction in the control board can result in a lack of heating.

To begin troubleshooting, start by examining the wiring connections between the control board and the heating element. Look for any loose or damaged wires that may be causing a disruption in the heating process. If any issues are found, it is recommended to replace the faulty wiring.

If the wiring appears to be intact, the next step is to check the control board itself. Look for any visible signs of damage, such as burn marks or blown fuses. If any issues are found, it is necessary to replace the control board with a new one that is compatible with the LG washing machine model.

Check The Water Inlet Valve

Check the Water Inlet Valve
The water inlet valve plays a crucial role in the heating process of an LG washing machine. It regulates the flow of hot and cold water into the machine, ensuring the correct temperature during the wash cycle. If your LG washing machine is not heating, it is essential to inspect the water inlet valve for any issues. Start by identifying any visible defects such as cracks or leaks in the valve. Additionally, check if the valve is properly connected to the water supply. If you find any problems, you may need to fix or replace the faulty water inlet valve.

Steps to fix or replace a faulty water inlet valve:

  1. Disconnect the washing machine from the power supply and turn off the water supply.
  2. Locate the water inlet valve, usually located at the rear of the appliance.
  3. Remove the hoses connected to the valve, taking note of their positions.
  4. Unscrew the mounting screws or bolts holding the valve in place.
  5. Replace the faulty valve with a new one or fix any issues with the existing valve.
  6. Reattach the hoses in the correct positions and tighten the connections.
  7. Turn on the water supply and plug in the washing machine.
  8. Test the heating function to ensure it is working properly.

Evaluate The Water Temperature Sensor

Evaluating the Water Temperature Sensor

The water temperature sensor plays a crucial role in the heating function of an LG washing machine. This sensor is responsible for monitoring and regulating the water temperature during the wash cycle. If your LG washing machine is not heating, it is essential to understand the function of the water temperature sensor to properly diagnose and resolve the issue.

Testing and Troubleshooting the Water Temperature Sensor

To determine if the water temperature sensor is causing the problem, you can follow these steps:

  1. Check for any visible signs of damage or corrosion on the sensor.
  2. Use a multimeter to test the resistance of the sensor. Consult your washing machine’s manual for the specific resistance values.
  3. If the resistance values do not match the specified range, replace the faulty water temperature sensor with a new one.
  4. After replacing the sensor, run a test cycle to ensure that the heating issue has been resolved.

By carefully evaluating the water temperature sensor and taking the necessary steps to test and troubleshoot it, you can successfully address the heating problem in your LG washing machine.

Clean The Filter And Water Hoses

If your LG washing machine is not heating, it is essential to clean the filter and water hoses to resolve the issue. The filter and water hoses play a crucial role in maintaining the performance of your washing machine. Regular cleaning of the filter and water hoses is important to prevent any heating-related problems.

To clean the filter, start by locating it near the bottom front of the machine. Remove any debris that might be accumulating in the filter and rinse it thoroughly.

For the water hoses, disconnect them from the machine and the water source. Check for any clogs or build-up inside the hoses and clean them using a soft brush or cloth. It is recommended to perform these cleaning steps every few months to ensure optimal functionality. By taking preventive measures like cleaning the filter and water hoses, you can avoid future heating issues and keep your LG washing machine in top condition.

Examine The Detergent Dispenser Drawer

Lg washing machines are known for their efficient heating process, but sometimes you may encounter a problem where your machine is not heating up. One aspect to consider is the detergent dispenser drawer. This component plays a vital role in the heating process.

The detergent dispenser drawer is responsible for distributing the detergent, fabric softener, and bleach into the appropriate compartments during the wash cycle. It also ensures that these substances are dispensed at the correct time.

If you’re experiencing issues with heating, it’s crucial to examine the detergent dispenser drawer. Check if it is clogged or blocked by any residue or debris. A faulty dispenser might impede the heating process or disrupt the flow of detergent, affecting the overall performance of your machine.

To fix or replace a faulty detergent dispenser drawer, follow these steps:

  1. Remove the drawer from the machine carefully.
  2. Inspect the drawer for any damage or blockages.
  3. Clean the drawer thoroughly, removing any residue or debris.
  4. If the drawer cannot be fixed, consider purchasing a replacement from an authorized dealer.
  5. Install the new dispenser drawer by carefully aligning it with the designated slots.
  6. Test the machine to ensure proper heating functionality.

By addressing any issues with the detergent dispenser drawer, you can optimize the heating process and ensure your Lg washing machine functions at its best.

Frequently Asked Questions On Lg Washing Machine Is Not Heating

Q: Why Is My Lg Washing Machine Not Heating Up?

A: There could be multiple reasons why your LG washing machine is not heating up. Firstly, check if the washer is receiving power and the circuit breaker hasn’t tripped. Additionally, a faulty heating element or temperature sensor could be the issue.

It’s recommended to consult a professional technician for a thorough diagnosis and repair.

Q: How Can I Troubleshoot The Heating Problem In My Lg Washing Machine?

A: To troubleshoot the heating problem in your LG washing machine, start by checking the temperature settings. Ensure that you’ve selected the correct cycle and that the water inlet valves are fully open. Clean the filter and check for any blockages that could be affecting the heating.

If the issue persists, it’s best to contact an authorized technician for assistance.

Q: Is There A Reset Button For The Heating Element In My Lg Washing Machine?

A: No, LG washing machines typically do not have a reset button specifically for the heating element. If you’re experiencing issues with the heating, it’s recommended to follow the troubleshooting steps provided in the user manual or contact LG customer support for assistance.

A professional technician may be required to diagnose and resolve the problem.

Q: Can A Faulty Thermostat Cause The Heating Problem In An Lg Washing Machine?

A: Yes, a faulty thermostat can contribute to the heating problem in an LG washing machine. If the thermostat is not functioning correctly, it may not signal the heating element to activate, resulting in no heat during the wash cycle.

In such cases, it’s advisable to have a trained technician inspect and replace the thermostat if necessary.


Addressing issues with a LG washing machine not heating is crucial for optimal performance. By following the troubleshooting tips discussed in this blog post, you can easily identify and resolve the problem. Regular maintenance and consulting a professional when needed will ensure that your washing machine functions efficiently, providing you with clean and fresh-smelling laundry every time.

Always remember to prioritize the safety and longevity of your appliance.

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