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LG washing machine - Water heater is malfunctioning and the water

Applicable to : Models that employ the standard 40 ℃ or 60 ℃ course.. If your washer is supplied with water at normal temperatures, 20 to 25 ℃, the water will be heated up to the temperature that you have set.. If you supply cold water below the normal temperature, then it takes longe.

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What to Check First

Open the official LG USA article for the latest model-specific checks.

Why This Can Happen

Symptoms can have more than one cause, and the correct steps depend on the exact model, installation and operating conditions. Use the checks above to narrow the issue before service.

Safety and Model-Specific Guidance

Stop troubleshooting if you notice burning, electrical damage, unsafe heat, gas odor, refrigerant concerns, or water near electrical components. Follow the official LG USA instructions for your exact model.

Frequently Asked Questions

What should I check first for LG washing machine - Water heater is malfunctioning and the water does not heat up?

Applicable to : Models that employ the standard 40 ℃ or 60 ℃ course.. If your washer is supplied with water at normal temperatures, 20 to 25 ℃, the water will be heated up to the temperature that you have set.. If you supply cold water below the normal temperature, then it takes longe.

When should I stop troubleshooting and contact LG?

Stop if the product shows signs of electrical damage, burning, leaking near electrical components, or if the recommended checks do not resolve the issue. Use LG USA support for model-specific service guidance.

Does this guidance apply to every LG model?

Not always. Controls, error codes and service steps can differ by model. Confirm the exact model number and follow the linked LG USA article for model-specific instructions.

Related LG Products

These model pages are linked because the stored category or exact model matches this Help Library topic.

LG SIGNATURE-WM9901HBA Washers product image
Washers

LG SIGNATURE-WM9901HBA — Washers Model

Discover the LG SIGNATURE Front Load Washer that features 5.8 cu. ft. Mega Capacity and Built-In Intelligence. Shop WM9901HBA from LG USA.

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Buying Guides for This Product Type

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Read the Official LG Guide