Cooker hood keypad is unresponsive in San Jose, CA

Issue description:

The reasons listed below, which occur when the hood keyboard does not work, are listed from most likely to least likely. Check or test each cause, starting with the most likely cause.

Touchpad

To determine if the touchpad is damaged, try pressing a few buttons on the keyboard. If some of the keyboard buttons work and others do not, the touch panel may be defective.

User control panel and display

The control panel and user display may be defective. Control boards are often misdiagnosed - before replacing them, first check for more and more breakable parts.

Control board

The control board may be defective. To determine if the control panel is damaged, try pressing a few buttons on the keyboard. If some of the keys on the keyboard are working but others are not, then the keyboard is most likely defective. If none of the buttons on the keypad works, the control panel may be faulty.