I have been the proud owner of the above microwave oven for a considerable period of time. Of late it has developed a defect which not electronic but mechanical in nature. Its Safety Interlock System with two locking devices fitted to the door have developed a fault and needs replacement. Can you kindly adivise me as to how I can obtain this ****. Regards, Prfessor Ranjith Arthenayake, Sri Lanka. E-mail: nrarth@gmail.com