When an oven door remains locked and refuses to open after a self-cleaning cycle, the issue is typically caused by residual high heat trapped inside the cavity that keeps the safety interlock engaged, or by a stuck mechanical latch motor. Manufacturer safety protocols prevent the door from unlocking until internal temperatures drop below 550 degrees Fahrenheit. You can troubleshoot lockouts easily by letting the appliance cool. You can verify that your corrective action is successful when waiting for the cooling fan to finish its cycle allows the internal temperature to drop, causing the control board to release the mechanical latch automatically so you can open the door safely.
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