Thermador began manufacturing kitchen appliances in 1932. Over the years, Thermador dishwashers have acquired various technical upgrades, such as a beeping noise to alert you when your dishwashing cycle is complete. The tone is optional, and you can adjust it to different volume levels, or you can turn it off. Turning off the alert only takes a few minutes, and you can turn it back on at any time.
Locate the control panel on your Thermador dishwasher. Depending on your model, it may be on the top of the door or on the front of the door.
Locate the "Cancel Drain" buttons on the control panel.
Push and hold down the right-most "Cancel Drain" button.
Locate the "On/Off" button on the control panel.
Push and hold down the "On/Off" button while continuing to hold down the "Cancel Drain" button.
Release both buttons when the light turns on over the "Cancel Drain" button. You will hear a beeping noise when the light turns on.
Push the "Cancel Drain" button to hear the different tone options, with the last possible tone option being the silent option. Cycle through the tone options until you select the level you prefer.
Push the "On/Off" button to set the tone option that you prefer.