此机加热指示灯亮,说明220V市电已进入电路,不加热是发热管EH烧坏所致。用万用表R×1挡测量EH两端阻值无穷大(正常阻值约为97Ω),由此确认EH烧坏引起所述故障。更换EH(500W)后饮水机恢复正常加热。 |
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