万利达MC18-C10电磁炉,显示灯全亮,然后转为待机状态故障症状: 开机后,面板显示灯全亮,然后转为待机状态。检查与分析:根据现象分析,该故障可能是功率管性能不良,便开机电流过大所致。检修时,用万用表测量功率管的集电极与发射极是否有漏电现象。该机经检查为功率管性能不良。检修结果:更换功率管后,故障机修到这里,终于修好值得探讨。。 |
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