A:Answer Hi Chelsea,
No, you don't have to connect the range to Wi-Fi to make it work.
Below are links to help you with the range. Please follow the steps and click the hyperlinks for further assistance.
Samsung range, oven, or cooktop will not turn or stay on.
https://www.samsung.com/us/support/troubleshooting/TSG01001952/
Samsung range or wall oven panel is blank, blinking, or partially or incorrectly displayed.
https://www.samsung.com/us/support/troubleshooting/TSG01110183/
Have a great day.
^Aloe