| 摘要 |
PROBLEM TO BE SOLVED: To decrease the power consumption at a standby time, and to prevent the malfunction of a door detecting circuit detecting the open/close condition of a door. SOLUTION: The first door switch 19 that is opened first at the time when a door 12 opening and closing the front opening 2 of a cooking chamber 3 is opened, a load circuit of a heat source and the like supplying high-frequency electric waves to the inside of the cooking chamber through the normally-open contact 20a of the second door switch 20 closing after the first door switch and a door detecting circuit 21 are connected with a commercial power supply 18, and a control circuit 22 is connected with the commercial power supply through the normally-open contract. The first relay contact 24 controlled by the output of the control circuit is connected with the normally-open contact in parallel.
|
