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Hi there, LB! Thank you for sharing your question to us about the LG Wall-Oven (WSES4728F). Yes, if the power goes out and then comes back on, the oven will make an audible alert. When power is restored, the control board resets, which triggers a brief startup beep. You may also see a power‑related code such as “PF” (Power Failure) or “PO” appear on the display, and the internal clock along with any previously muted timers will need to be set again. You can explore the full feature list and support details here: https://www.bestbuy.com/product/lg-studio-30-4-7-cu-ft-built-in-single-electric-true-convection-smart-wall-oven-with-air-fry-stainless-steel/JJ8VPZ9S6G. If you need further assistance, please feel free to email us at lgdigitalcare@lg.sprinklrsupport.com. - Avril
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