Let's find out more.
Moisture can cause a short circuit inside the buttons.
Try this.
Unplug the appliance and dry the buttons with a hairdryer on the cool setting.
When using warm air, keep the hairdryer about a hand's width away from the buttons.
If the buttons are physically damaged, contact LG customer service to schedule a repair.
This guide was created for all models, so the images or content may be different from your product.