What to Check First
- If buttons on the keypad are not responding when pressed, it may be possible that the CHILD LOCK feature is active.
- 1 Press and hold the [START/ENTER] key for approximately 4 seconds until the L indicator or a lock icon appears in the display.
- If your model's [STOP/CLEAR] button does not have a lock indicator on it, please refer to your owner's manual for information on CHILD LOCK.
- 2 Unplug the microwave for 2 to 3 minutes.
- 3 Plug the microwave back in and retry the controls.
- If the control panel is still unresponsive, the unit will require service. 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 Microwave – Troubleshooting the Keypad Not Responding?
If buttons on the keypad are not responding when pressed, it may be possible that the CHILD LOCK feature is active.
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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