| 摘要 |
PURPOSE: A circuit for controlling a hood fan of a combination microwave and the hood fan is provided to drive the hood fan at any time. CONSTITUTION: A circuit for controlling a hood fan of a combination microwave and the hood fan comprises: a rotary hood fan for radiating heat by an operation of a microwave, and for emitting smoke generated from an outer heating apparatus; a first control switch for controlling so that outer power supply can be supplied to the hood fan, when a request for operating the hood fan is occurred from the outer heating apparatus; and a second switch for controlling the power supply of the hood fan, when a request for operating the hood fan is occurred according to the operating of the microwave. The controlling circuit is driven regardless of malfunction of products when the operation of the hood fan is necessary.
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