Follow the instructions below to use the audible diagnosis method.
Launch the LG ThinQ application and select the Smart Diagnosis feature in the menu. Follow the instructions for audible diagnosis provided in the LG ThinQ application.
Press the Power button to turn on the appliance.
Do not press any other buttons.
Hold the mouthpiece of your phone in front of the Power button.

Press and hold the Temp. button for 3 seconds or longer while continuing to hold your phone to the Power button.
Keep the phone in place untill the tone transmission has finished. Once the tones have stopped, the diagnosis will be displayed in the application.
For best results, do not move the phone while the tones are being transmitted.