大几千的电蒸箱，坏在一个元器件，拆开看看究竟！
方太电蒸箱能正常操作，就是不加热。就是这台嵌入式的大铁箱，价格不便宜，平时用来蒸包子馒头之类的。https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920mfkfagf1ys1fkxxs.jpg
型号：SCD26-C2SE，2014年年底的早过了质保期。
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920axo5gt14zaza4llo.jpg
根据他说的故障，怀疑是负责加热的单元断路或控制的继电器损坏没闭合。
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920ovn3avua2v5kuazv.jpg
拆开，找到控制板测量
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920slkxlro9r5c4lyyk.jpg
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920dh22h26r20xqpyp2.jpg
负责加热的有三个部件，加热盘（白色），加热棒（棕色），加热膜（白色硅胶线）
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920aezj1tssfacze92c.jpg
经过测量，是加热棒无阻值
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920o6mpx4xz4sy4p4mq.jpg
巡线向下找，发现是类似熨烫机的蒸汽发生锅
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920wxoiaz9addq33xtd.jpg
右侧是蒸汽冷凝后的回水箱
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920ag3oqafujdusjfvq.jpg
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920yyp6shposhs5ylzi.jpg
左侧是进水箱，线路板上红色圈内是检测水箱到位的干簧管
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920mz91qpd46d4d4p4f.jpg
补水箱内部有一个浮块
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920n2maaqzgo98tuary.jpg
水箱中有水浮块就到达位置，浮块上的磁铁让干簧管闭合
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920xawj83ei2eie2jzi.jpg
电磁阀控制进水到水箱
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920jzzhcr4wqdwjhawd.jpg
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920wvz7hr00ceicv11o.jpg
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920eks6sklkl2vsvsz1.jpg
各部件间用硅胶管连接
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920r4rc6kfnnt56lt64.jpg
松脱连接管
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920hwzglghr14rh6v1r.jpg
拆出蒸汽发生锅，加热棒有阻值正常，就右侧的温度保险开路
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920b78h3p73q4dxd3ga.jpg
这个温度保护是可以按动中心的小圆柱恢复的
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920cpzyf1wiwayfxmuq.jpg
按压后就导通了
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920qx1citoc90et2oit.jpg
后发现铁箱底板的对应位置是有5个圆孔，能够不拆解恢复的。但要按到这儿也不是那么简单的
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920dy8xxz81umr6ylrm.jpg
以为找到故障点，装机试机。发现设置好模式，温度，加热时间后执行，机器就报“F5”故障代码
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920sh7qhmgoif7re7r3.jpg
网上找了一圈，发现蒸箱出现F5故障原因是：储水盒水位传感器断路。测水位传感器2线没有阻值
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920bblocyxowomwum8q.jpg
中空塑料柱，就2个橡胶塞，防水怎么会好。内部有水份，电路板上有腐蚀。
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920ul9515dptsdb0h5h.jpg
测了一下高，低位的干簧管正常
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920wpvui0vlu0su27ti.jpg
这三个580欧姆的电阻
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920v2hsolmad9latt2b.jpg
最右侧那个无穷大
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920bqq6fe5ziy2c5wy4.jpg
找废电路板上拆了个电阻换上
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920p7i3izn8bunr63c7.jpg
恢复水箱
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920aj3g6gqqidqw6wlq.jpg
还是用704涂满进行可靠防水
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920p222brq2g1uglgl1.jpg
接好管路
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920qbo7tkwegplyu0gl.jpg
试机，开始是升温阶段，没到到设定温度是不会走时的
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920qfcfzkss3puicpuc.jpg
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920ahqcw6yqfzmwy6zy.jpg
设定温度到达后
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920rfefgy1efyfuhe14.jpg
开始计时，机器恢复正常。
https://assets-stash.oss-cn-shanghai.aliyuncs.com/forum/202112/22/113920rw4r50jx0zjrzu0r.jpg
设计问题，这东西原理不复杂，就是用的少，本来售后可以狠狠赚一笔的，被我给截胡了
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