收到同行送来的故障机壹台九阳JYC-21ES10电磁炉，故障表现为通电试机显示E0，拆开电磁炉先查大阻值，电阻R210、R405、R406/330K欧，经测量发现R406阻值无穷大，更换之后故障机修到这里，终于修好值得探讨。。 |
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