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,用万用表检查线路的通断,U11,V11,电路检测过程,检测时,应选用倍率适当的电阻挡(R100挡),并欧姆调零。将表笔分别搭接在U11、V11线端上,读数应为。按下SB1不动,阻值为 电阻值。按下KM试验按钮,阻值为 电阻值。按下SB1不动,再按SB2,阻值为。按下KM试验按钮,再按SB2,阻值为。,KM线圈,KM线圈,巩固练习,KM2,KM1,SB1,KH,FU2,KM1,KM1,KM2,KM2,SB3,SB2,U11,V11,控制电路检测检查时,应选用倍率适当的电阻挡(R100挡),并欧姆调零。断开主电路熔断器,将表笔分别搭接在U11、V11线端上,读数应为。按下SB2不动,阻值为KM1线圈电阻值。按下SB3不动,阻值为KM2线圈电阻值。按下KM1触点架,阻值为KM1线圈电阻值。按下KM2触点架,阻值为KM2线圈电阻值。同时按下KM1和KM2触点架,阻值为。按下SB2不动,再按SB1,阻值为。,Thank You!,