| 上门维修一台创尔特燃气壁挂炉，故障现象是出现E5代码，此代码的含义是风机或风压传感器异常，通电风机不转，拆机取下风压传感器测量正常，单独给风机夹电风机转动正常，更换主板上两个继电器后机器恢复正常。 |
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