• Check that your home's circuit breaker for the oven is in the ON position; if tripped, switch it OFF then back ON• Verify the oven door closes completely and securely, ensuring proper contact with the door latch• Inspect the control panel for any visible damage, crumbs, or debris and clean gently with a dry cloth• Confirm all control settings are appropriate and no buttons appear stuck or pressed• Allow the oven to cool completely for at least 30 minutes before attempting to use it again• Perform a hard reset by switching the oven's circuit breaker OFF, waiting 60 seconds, then switching it back ON• Check that the oven is properly plugged in (for freestanding models) or hardwired correctly (for built-in models)• If error persists after reset, contact an authorized Amana service technician for professional diagnosis