• Ensure the circuit breaker serving the oven (typically 240V dual-pole breaker) is in the ON position and has not tripped• Turn off power to the oven at the breaker for 60 seconds, then turn back on to attempt a system reset• Allow the oven to cool completely for at least 30 minutes before attempting to restart• Verify the oven door closes completely and latches properly with no gaps• Check all visible wiring connections at the back of the oven are secure (do not touch live components)• Review the control panel settings to ensure no conflicting modes or settings are active• Unplug the oven power cord (if applicable to your model) and wait 2 minutes before reconnecting• If error persists after reset, discontinue use and contact a qualified service technician for further diagnosis