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Thermador Range hoods

Official Thermador range hood parts

Serious cooks rely on Thermador range hoods to remove smoke, odors, grease and heat from their kitchens. They appreciate the quiet and efficient operation that range hoods provide along with Thermador's stylish design options that enhance any kitchen decor. When your Thermador range hood isn't working as it should, rely on Sears PartsDirect for the Thermador vent hood parts you need to fix the problem.

Most common Thermador range hood parts that need replacing

  • User interface control. This part helps control the exhaust fan and light on your Thermador range hood. Replace the user interface control if buttons don't respond when pressed.
  • Electronic control board. The electronic control board receives signals from the user interface control and sends current to lights and the exhaust fan. Replace the electronic control board if it doesn't send current to the fan or lights.
  • Transformer. The transformer converts AC current to low voltage DC current to supply LED lights with power in your range hood. You may need to replace the transformer if LED lights aren't getting power.

Troubleshooting your Thermador range hood when its lights don't work

A failed electronic control board, bad user interface control, broken light switch, bad light bulb sockets or a wiring failure can prevent the lights from working.

Unplug the range hood and check the wire harness connections between the light sockets and the control board or light switch. Reconnect any loose wires and repair any broken wires. If the wiring is okay, check the electronic control board for burn marks. Replace the control board if you see burn marks because the burn marks indicate a control board failure.

If your range hood uses a user interface control to control the lights, you may need to replace the user interface if it isn't sending signals to the electronic control board when you press user interface buttons. A user interface control is a keypad and display panel that sends signals to the electronic control board through a ribbon wire cable when you press its selection buttons. DIY testing of the user interface control isn't available for most range hood models. If the electronic control board doesn't activate the lights, you'll likely need to replace the electronic control board. If the lights still don't work after replacing the control board, you'll likely need to replace the user interface control.

If your range hood uses a switch to control the lights, unplug the range hood and test the switch for continuity using a multimeter to see if the switch allows current to flow to the lights when you turn the switch on. Replace the switch if you don't measure continuity through the switch when it's turned on.

With new light bulbs installed and the range hood unplugged, check for continuity through the light sockets with new light bulbs installed. Replace the sockets if you don't measure continuity through the sockets with new bulbs installed.

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