Hi, every one

I have used CNC machine model hyundai hit 30 control by Sinumerik 810D The back battery was dead , caused loss of All parameter. After restored NC and PLC  archive . an emergency stop alarm appear in the screen even though the emergency switch is released and the reset key was pressed, the message is still present, and the machine does not work and does not respond when pressing any key on the control panel. Please help to find problem.