When a range vent hood touchpad doesn't work, start by checking whether some buttons respond while others do not. A few nonworking buttons usually point to a defective range vent hood touchpad, while a completely unresponsive control panel may indicate the user control and display board or main control board. Before replacing a board, verify that the vent hood is receiving power. Many range vent hoods are hardwired to the circuit breaker, while others plug into an outlet behind the cover panel. Check for a tripped breaker, or test an accessible outlet with a small appliance. If power reaches the hood and the buttons still do not work, the control board may be defective. On models with a separate touchpad, replacing both the touchpad and control board may provide a more reliable repair. Always disconnect power before removing panels or testing components. Enter your model number to find the exact replacement touchpad, user control and display board, main control board, or range hood control board for your specific vent hood.
01 - Range Vent Hood Touchpad
To determine if the touchpad is defective, try pressing some of the keypad buttons. If some of the keypad buttons work, while other buttons do not work, the touchpad might be at fault.
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02 - Range Vent Hood User Control and Display Board
The user control and display board may be defective. Control boards are often misdiagnosed—before replacing the user control and display board, first check all of the more commonly defective parts.
The main control board may be defective. To determine if the touchpad is defective, try pressing some of the keypad buttons. If some of the keypad buttons work while other buttons do not work at all, the keypad is likely defective. If none of the keypad buttons work, the main control board may be defective.
Vent hoods are typically hardwired to the circuit breaker box, but they can also be plugged into a wall outlet behind the cover panel. In either case, it may be difficult to test the incoming power to the vent hood without removing a large cover panel. If the unit is plugged into an accessible wall outlet you can plug another small appliance into the outlet to confirm there is power. If you cannot access the incoming power connection easily, confirm the circuit breaker suppling power to the vent hood has not tripped.
Less Common
05 - Range Vent Hood Control Board
Most range vent hood control boards have the buttons attached to the board. If you've determined that power is reaching the board, then it's likely the control board is defective and will need to be replaced. If there is a separate touchpad, it would be a good idea to replace both the control board and touchpad at the same time.