GOOGLE一下吧"220V 欠相"
找出問題後就能解決
http://www.google.com.tw/url?sa=t&rct=j&q=&esrc=s&source=web&cd=7&cad=rja&uact=8&ved=0CEkQFjAGahUKEwiDp46jhtvGAhVIGJQKHe5ZAxA&url=http%3A%2F%2Fwww.seec.com.tw%2Fproduct%2Fproduct_info.asp%3Fpno%3D168%26sno%3D%26dno%3D627&ei=vzmlVcPLA8iw0ATus42AAQ&usg=AFQjCNGqkrSc6oOCvrcBQiWfVyJ3EZn2DQ&bvm=bv.97653015,d.dGo
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