• Turn off power to the oven by switching off the dedicated circuit breaker for 60 seconds, then switch back on to reset the system
• Verify the oven door is fully closed and latches are secure
• Check that the dedicated 240V circuit breaker has not tripped; reset if necessary
• Ensure proper ventilation around the appliance (at least 4-6 inches clearance on sides and back)
• Allow the oven to cool completely for 15-20 minutes before attempting to use it again
• Verify control panel settings are correctly configured and no buttons are stuck
• Disconnect and reconnect the oven's power cord or check if plug is fully seated
• Check for any visible damage to the oven cavity or sensor area (do not touch components)
• Ensure proper 240V voltage is supplied to the appliance using a multimeter if available
• If error persists after these steps, contact a certified Miele service technician for professional diagnosis and sensor replacement