电流为+A,选择型号大多为004,4007;10为普通发光极管;8为限流电阻,阻值般为不可折费使用。折叠使用时,散热BENTLY NEVADA 90340-02F条件差,热量积累,易使电热丝的绝缘材料老化,影响电热毯的使用寿命破坏其安全性。
用过的屯热毯,其电热丝的绝缘套均有不同程度的老化变硬,在收藏时不要折叠。否则容易使电热丝折断使用时间超过两年的电热毯,如果出现故障,应更换新的电热丝,不可再维修使用否则容易引发火灾。
BENTLY NEVADA 90340-02F修辽宁吴广华常故障现象及判断处理方法如附。
接电热丝的正确方法先将断头处理干净,然后将其搪锡并绞接在起,而后再用电烙铁焊次,使其牢牢地焊在起。另外种更可靠的方法是在此基础上,用搪锡的细铜丝在接界处紧紧缠绕段,然后再焊锡。
BENTLY NEVADA 90340-02F 需要注意的是,千万不可简单地将断头缠绕在起使用。否则易产生接触不良,造成打火而烧毁被褥。了本版习编辑张春英本版终审编辑钱佳华故障现象故障原囚胃处理措施指灯不亮电热毯不热电源线断路开焊焊接或更换+指灯亮但热毯不热度没有变化71终只,高温,整极管脱焊或开路指灯不亮,但电热毯发热正常限流电阻开路发光极管开路开焊更换相应元件或焊好冰,
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