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壁挂炉e3是什么故障怎么维修
更新时间： 2021-03-03 13:34:43  

E3温控器故障:

1、水路堵塞。清除水路堵塞物，将水泵排气阀和管路排气阀打开排气。

2、水泵不转或异常。A检查水泵是否卡住，如果卡住来回转动水泵电机正面螺钉。B用万用表测量主板水泵连接端子间有无220V电压。

3、温控器故障。将万用表置于通断档 测量温控器两端口 若处于接通状态 则温控器正常,否则更换温控器。

4、连接线断路或者接头没有接好,用万用表测量连接线是否完好,并将接头接好。

关键词： 壁挂 e3 什么 故障 怎么 维修

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