波輪(lun)(lun)洗衣機(ji)常見故障解析 波輪(lun)(lun)洗衣機(ji)故障維修
在(zai)洗衣(yi)機(ji)(ji)的(de)維修過程中(zhong)出現(xian)波輪不轉(zhuan)、或者(zhe)轉(zhuan)動慢、或者(zhe)不換向的(de)故障可以說(shuo)是相當多的(de),產生這方面的(de)故障說(shuo)簡(jian)(jian)單(dan)也(ye)(ye)簡(jian)(jian)單(dan),說(shuo)難也(ye)(ye)難,簡(jian)(jian)單(dan)嘛 ,洗衣(yi)機(ji)(ji)無非(fei)就(jiu)是那(nei)么幾個(ge)位(wei)(wei)置(zhi),難嘛到(dao)底在(zai)哪個(ge)位(wei)(wei)置(zhi)呢?
波輪不轉或無力(li)的原(yuan)因(yin)主要有以下原(yuan)因(yin):三(san)角皮(pi)帶(dai)過松或脫(tuo)落;電(dian)機(ji)電(dian)容容量減(jian)小或失效;電(dian)機(ji)本身故障(zhang);程序控制器無信號輸出(chu)。
洗滌時波輪不轉動
開(kai)機(ji)后能(neng)自動(dong)進水(shui),說明洗衣機(ji)得電工(gong)作(zuo)。達到預(yu)定水(shui)位(wei)后能(neng)停止進水(shui),說明水(shui)位(wei)檢測開(kai)關正常。用手撥(bo)動(dong)波輪做順(shun)時(shi)針(zhen)及逆時(shi)針(zhen)旋轉,波輪均無法轉動(dong),拆開(kai)檢查(cha),發現(xian)離合器內部的行星齒輪因損壞而卡死,更換離合器后,故(gu)障(zhang)排除。
洗滌時波輪不換向
當洗(xi)衣(yi)機(ji)處于反向(xiang)洗(xi)滌時(shi)(shi),桶內衣(yi)物只(zhi)能(neng)做單(dan)向(xiang)旋(xuan)轉,面板上的程控(kong)指示沒(mei)有步進指標,也聽不到器(qi)件內電(dian)(dian)(dian)觸點步進跳位的嘀嗒聲。檢查微電(dian)(dian)(dian)機(ji),用萬用表R×1k擋測得直流內阻分別為20kΩ、24kΩ左右(you),說明(ming)微電(dian)(dian)(dian)機(ji)繞組(zu)未損(sun)壞。然后用兩手指沿順時(shi)(shi)針捏轉小齒輪(lun),小齒輪(lun)轉動不順暢。檢查發現微電(dian)(dian)(dian)機(ji)的永磁轉子破碎(sui)了(le)2塊,用萬能(neng)膠把(ba)裂痕(hen)粘補牢固,故障(zhang)排除。
通電后指示燈亮,電機不轉,只有嗡嗡的電磁聲
將洗衣機(ji)放倒,拆下(xia)電(dian)(dian)(dian)動機(ji)。焊下(xia)電(dian)(dian)(dian)容(rong)(rong)(rong)器,萬(wan)用表(biao)R×100擋測量電(dian)(dian)(dian)容(rong)(rong)(rong)的阻值。將表(biao)筆與電(dian)(dian)(dian)容(rong)(rong)(rong)相接,表(biao)針指(zhi)向電(dian)(dian)(dian)阻為零,說明電(dian)(dian)(dian)容(rong)(rong)(rong)器已(yi)擊穿。更換電(dian)(dian)(dian)容(rong)(rong)(rong)器,故障排除。
洗衣機噪聲過大
一般為離(li)合器故障(zhang),如含油軸(zhou)(zhou)承磨損或缺(que)油;大油封漏水而(er)導致軸(zhou)(zhou)承生(sheng)銹。