This is a fault in the digital electronic board and would be expensive. A professional repairer is the only solution to your problem with this.
Microman
April 2009
Hi, this can only happen if the door is closed, it suggests that the keypad is faulty and under certain conditions fails and calls the machine to work. It could be but is likely to be the control electronics
kindest regards
patrick
microwave-repairs.co.uk
patrick
April 2009
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