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How do I replace an Electronic Control Board in a Range Hood?

A light switch is used in range hoods. In models with multiple settings for the lighting system, the light switch varies the lighting intensity. The light switch needs to be replaced if it doesn't work right.

Some range hoods have an electrical switch that controls the exhaust fan. The speed of the fan is controlled by the fan switch. The fan switch needs to be replaced if it doesn't work well.

The exhaust fan and range hood lights are powered by the control board. If the electronic control board doesn't work, replace it. The sentry system is operated by the control board. The electronic control board needs to be replaced if it isn't operating correctly.

The fan and lights in the range hood are controlled by the user interface control. The user interface control should be replaced if the electronic control board doesn't receive the selection signals when you press buttons.

Follow these steps to fix your issue:

  1. Disconnect electrical power

    The electrical power to the range hood should be disconnected from the house circuit breaker. Put a towel on the counter or table where you will place the range hood to complete the repair.

  2. Remove the filters and the bottom panel

    The air filters need to be pulled out of the range hood. The screws that hold the bottom panel to the range hood frame need to be removed. If you remove the final screw, you should support the bottom panel with your hand.

  3. Remove the side panels

    There are light sockets on the side panels. Pull the front of the side panels inward to remove the locking tabs.

  4. Pull the range hood from the cabinet

    The power supply wiring must be disconnected. If you want the power supply wires to slide out of the cabinet, you need to loosen the screws on the power supply wire. The middle mounting screw has to be removed. The 4 corners have mounting screws. The range hood needs to be pulled forward to release the corner screw. Carefully pull the range hood down and set it upside down. The range hood is heavy It might be necessary for someone to help you pull it down and set it on the work surface.

  5. Remove the electronic control board

    The electronic control board has mounting screws. Remove the electronic control board from the control panel.

  6. Install the new electronic control board

    The wires need to be connected to the electronic control board. Attach the mounting holes for the new control board to the control panel. Remove the mounting screws.

  7. Reinstall the range hood

    The range hood should be positioned in the cabinet. The power supply wires need to be pushed through the power supply wire clamp. Place the range hood under the cabinet and tighten the screws on the corners. Put the middle mounting screw in. The power supply wire clamp has screws on it.

  8. Reassemble the range hood

    The side panels need to be reinstalled. To get the side panels into the front brackets, push the back end of the side panels into the frame slots. The light sockets need to be plugged back in. Put the bottom panel in place. Place the mounting screws on the bottom panel. The air filters need to be reinstalled.

  9. Restore the electrical power

    To restore electrical power to the range hood, you need to reset the house circuit breaker.

  10. Disconnect electrical power

    The range hood's electrical power needs to be disconnected from the house circuit breaker.

  11. Remove the filters and the bottom panel

    The air filters need to be pulled out of the range hood. The screws that hold the bottom panel to the range hood frame need to be removed. If you remove the final screw, you should support the bottom panel with your hand.

  12. Remove the fan switch

    The wires need to be removed from the fan switch. Push the fan switch out of the control panel by squeezing the locking tabs together. Take a picture of the wires and note where they are connected to the fan switch.

  13. Install the new fan switch

    To get the new fan switch into place, push it into the opening of the control panel. The wires should be connected to the new fan switch.

  14. Reassemble the range hood

    Put the bottom panel in place. Place the mounting screws on the bottom panel. The air filters need to be reinstalled.

  15. Restore the electrical power

    To restore electrical power to the range hood, you need to reset the house circuit breaker.

  16. Disconnect electrical power

    The range hood's electrical power needs to be disconnected from the house circuit breaker.

  17. Remove the filters and the bottom panel

    The air filters need to be pulled out of the range hood. The screws that hold the bottom panel to the range hood frame need to be removed. If you remove the final screw, you should support the bottom panel with your hand.

  18. Remove the side panel

    The light sockets on the side panel are connected to the wire harness. Pull the front of the side panel inward to remove the locking tab.

  19. Remove the light socket

    The locking tabs that hold the light sockets in the side panel can be released by turning the bottom of the light sockets to the right. The side panel has a light sockets.

  20. Install the new light socket

    Push the new light sockets into the side panel with the locking tabs. Lock the light socket in the side panel by rotating it to the left.

  21. Reassemble the range hood

    The side panels need to be reinstalled. To get the side panels into the front brackets, push the back end of the side panels into the frame slots. The light sockets need to be plugged back in. Put the bottom panel in place. Place the mounting screws on the bottom panel. The air filters need to be reinstalled.

  22. Restore the electrical power

    To restore electrical power to the range hood, you need to reset the house circuit breaker.

Time required:

45 minutes.

You would need the following tools:

phillips screwdriver, towel, work gloves.

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