What to Check First
- Choose your range Electric Range & Cooktop Gas Range & Cooktop.
- Where is the noise coming from? Cooktop Oven.
- Many range noises are due to normal operation of the unit. If the noise becomes louder than normal, most problems can be eliminated will some troubleshooting and maintenance.
- This is normal, your new range is designed to maintain the heat setting. You may hear your cooktop heating elements click on and off frequently.
- This is normal when any cooktop burner is activated, a beeping sound indicates the cooktop is in use. If beeping occurs and an error code is displayed in the control panel display, please visit our LG Range - Error Codes List article for further assistance.
- If problems continue to occur, service will be required for further assistance. Please visit our Request a Repair for further assistance.
- This is normal, the internal convection fan run at convection bake and roast mode a blade of the fan makes humming sound. The fan will cycle on and off periodically during oven operation.
- This is normal, knocking sounds occur when the bottom of the cavity expand and contract as the temperature changes during operation. Usually knocking occurs while the bake or broil cycle is operating for 10~15 minutes from it started and after the bake or broil cycle is finished.
- This can be sign of a problem with the fan motor or the fan housing. Service will be required for a proper diagnosis. Please visit our Request a Repair page for further assistance.
- This is a sign of a problem with the fan blade. If the blade of the fan is dented it can interfere with chamber. This will require service to resolve. Please visit our Request a Repair page for further assistance.
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
Frequently Asked Questions
What should I check first for LG Range – Troubleshooting Noises During Operation?
Choose your range Electric Range & Cooktop Gas Range & Cooktop.
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.
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These model pages are linked because the stored category or exact model matches this Help Library topic.
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