embedded seven-button controller malfunction (Button control not working)

• suitable products

        Applicable to all height-adjustable desks using this hand controller

Note: The control panel has seven buttons that can be used, and they are all embedded in the countertop, which is why it's called a seven-key embedded hand controller.

• problem description

Button control isn't working.

• troubleshooting steps

1、We need to send the customer a tutorial video to try adjusting the buttons.

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