波(bo)輪(lun)洗(xi)衣機(ji)常見故(gu)障解析(xi) 波(bo)輪(lun)洗(xi)衣機(ji)故(gu)障維修
在洗(xi)衣機的維修過程中出現(xian)波輪不轉、或者轉動慢、或者不換向的故障可以(yi)說(shuo)是相當多的,產生(sheng)這方面的故障說(shuo)簡(jian)單(dan)也(ye)簡(jian)單(dan),說(shuo)難也(ye)難,簡(jian)單(dan)嘛(ma) ,洗(xi)衣機無非就是那么幾個位置,難嘛(ma)到底在哪個位置呢?
波輪不(bu)轉或(huo)無(wu)力的原因(yin)主要有以下原因(yin):三角皮帶過松或(huo)脫落;電(dian)機電(dian)容容量減小或(huo)失效;電(dian)機本身故障;程序控制器無(wu)信號輸(shu)出。
洗滌時波輪不轉動
開機(ji)后(hou)能(neng)自動(dong)進水,說明(ming)洗衣機(ji)得電工作。達到預(yu)定水位(wei)后(hou)能(neng)停止進水,說明(ming)水位(wei)檢(jian)測(ce)開關正常(chang)。用(yong)手撥動(dong)波輪做順時(shi)針(zhen)及(ji)逆(ni)時(shi)針(zhen)旋轉,波輪均(jun)無法轉動(dong),拆開檢(jian)查,發現離合器(qi)內(nei)部的行星(xing)齒(chi)輪因損壞而卡死,更換離合器(qi)后(hou),故障(zhang)排除。
洗滌時波輪不換向
當洗(xi)衣機處于反向洗(xi)滌時(shi),桶內(nei)(nei)衣物只能(neng)做單向旋轉(zhuan),面板上的程控指(zhi)示沒有步進(jin)(jin)指(zhi)標(biao),也聽不(bu)到(dao)器件內(nei)(nei)電(dian)觸點步進(jin)(jin)跳位的嘀嗒聲。檢查微電(dian)機,用萬用表R×1k擋測得直(zhi)流內(nei)(nei)阻(zu)分別為20kΩ、24kΩ左右,說明(ming)微電(dian)機繞組未損(sun)壞。然后用兩手指(zhi)沿順(shun)時(shi)針捏轉(zhuan)小(xiao)齒輪(lun),小(xiao)齒輪(lun)轉(zhuan)動(dong)不(bu)順(shun)暢。檢查發現微電(dian)機的永磁(ci)轉(zhuan)子破碎了2塊,用萬能(neng)膠把(ba)裂痕粘(zhan)補牢固,故(gu)障排除(chu)。
通電后指示燈亮,電機不轉,只有嗡嗡的電磁聲
將(jiang)(jiang)洗衣(yi)機放倒,拆下(xia)電(dian)(dian)(dian)動機。焊(han)下(xia)電(dian)(dian)(dian)容(rong)(rong)器(qi),萬用表(biao)R×100擋測(ce)量(liang)電(dian)(dian)(dian)容(rong)(rong)的阻值。將(jiang)(jiang)表(biao)筆與(yu)電(dian)(dian)(dian)容(rong)(rong)相(xiang)接,表(biao)針指向電(dian)(dian)(dian)阻為(wei)零(ling),說明(ming)電(dian)(dian)(dian)容(rong)(rong)器(qi)已(yi)擊穿。更換(huan)電(dian)(dian)(dian)容(rong)(rong)器(qi),故障排(pai)除。
洗衣機噪聲過大
一般為離合器故障,如含(han)油(you)軸承磨損或缺油(you);大(da)油(you)封漏水而導致軸承生銹。