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（1）震動劇烈、噪音大

檢查(cha)是(shi)否(fou)有不平衡的問題存在、固(gu)定機(ji)器的螺(luo)帽(mao)松動(dong)，如有則(ze)固(gu)緊；檢查(cha)軸(zhou)承(cheng)是(shi)否(fou)損壞或(huo)彎曲，如有則(ze)更換(huan)軸(zhou)承(cheng)；機(ji)器外罩變形或(huo)位置不正確(que)發生摩擦，如有則(ze)對其進行調整。

（2）通電后電機不轉動

首先對電源(yuan)線(xian)(xian)、插頭、插座進行檢(jian)查(cha)，如(ru)(ru)有損(sun)(sun)壞(huai)則(ze)應更換；如(ru)(ru)無問(wen)題則(ze)檢(jian)查(cha)波段開(kai)關或(huo)變(bian)阻器(qi)是否損(sun)(sun)壞(huai)或(huo)連線(xian)(xian)開(kai)脫(tuo)(tuo)(tuo)(tuo)，如(ru)(ru)損(sun)(sun)壞(huai)或(huo)開(kai)脫(tuo)(tuo)(tuo)(tuo)則(ze)更換損(sun)(sun)壞(huai)元件，重新焊接連線(xian)(xian)；如(ru)(ru)無問(wen)題則(ze)檢(jian)查(cha)電機(ji)線(xian)(xian)圈(quan)是否有斷(duan)脫(tuo)(tuo)(tuo)(tuo)或(huo)斷(duan)路(內(nei)部)，如(ru)(ru)是連線(xian)(xian)圈(quan)斷(duan)脫(tuo)(tuo)(tuo)(tuo)可以(yi)重焊．如(ru)(ru)是線(xian)(xian)圈(quan)內(nei)部斷(duan)路則(ze)只能重繞線(xian)(xian)圈(quan)。

（3）電動機轉速達不到額定轉速

首先(xian)檢查軸承(cheng)(cheng)，如(ru)軸承(cheng)(cheng)損壞(huai)則(ze)更換軸承(cheng)(cheng)，如(ru)軸承(cheng)(cheng)內部缺油或(huo)污物(wu)太多則(ze)應(ying)(ying)清洗軸承(cheng)(cheng)并加注潤滑(hua)脂(zhi)。檢查整(zheng)流子(zi)(zi)表面是(shi)(shi)否(fou)有異常或(huo)電刷與整(zheng)流子(zi)(zi)轟(hong)面的配(pei)(pei)合是(shi)(shi)否(fou)吻合，如(ru)整(zheng)流子(zi)(zi)表面有異常，如(ru)有一層氧化物(wu)則(ze)應(ying)(ying)用細砂紙對其(qi)進行打磨；如(ru)整(zheng)流子(zi)(zi)與電刷的配(pei)(pei)合不吻合則(ze)應(ying)(ying)調整(zheng)到接觸良好的狀態；如(ru)無以上問題則(ze)檢查轉子(zi)(zi)線(xian)圈中是(shi)(shi)否(fou)有短(duan)路的現(xian)象，如(ru)有則(ze)應(ying)(ying)重(zhong)繞線(xian) 78

圈；檢查調速電(dian)阻W 是否可調，若(ruo)沒(mei)有損壞，測量可控硅SCR、SCR2的(de)導通(tong)電(dian)壓(ya)Ug是否屬于正(zheng)常(chang)，若(ruo)正(zheng)常(chang)測量SCR1、SCR2的(de)導通(tong)情況，正(zheng)常(chang)時(shi)為(wei)正(zheng)向(xiang)導通(tong)，反(fan)向(xiang)截止(zhi)，反(fan)之(zhi)，更(geng)換可控硅。

（4）整流子與電刷之間火花大

檢查整(zheng)(zheng)(zheng)流子(zi)表面(mian)是(shi)(shi)否平整(zheng)(zheng)(zheng)，如表面(mian)不平整(zheng)(zheng)(zheng)可(ke)以(yi)用(yong)砂紙打磨，若(ruo)是(shi)(shi)電(dian)刷與整(zheng)(zheng)(zheng)流子(zi)接觸(chu)不良，則用(yong)細(xi)砂紙將其部(bu)(bu)位打磨，重新(xin)調整(zheng)(zheng)(zheng)電(dian)刷與整(zheng)(zheng)(zheng)流子(zi)之間的配合；若(ruo)是(shi)(shi)電(dian)刷問題，則只能更(geng)換電(dian)刷；如果以(yi)上無(wu)問題，則要檢查磁場(chang)線(xian)(xian)圈(quan)(quan)(quan)是(shi)(shi)否有局(ju)部(bu)(bu)短路(lu)或(huo)線(xian)(xian)圈(quan)(quan)(quan)對地，還是(shi)(shi)轉(zhuan)子(zi)線(xian)(xian)圈(quan)(quan)(quan)有局(ju)部(bu)(bu)短路(lu)或(huo)斷(duan)路(lu)。磁場(chang)線(xian)(xian)圈(quan)(quan)(quan)和轉(zhuan)子(zi)線(xian)(xian)圈(quan)(quan)(quan)無(wu)論出(chu)現哪一個壞(huai)都要重繞(rao)磁場(chang)線(xian)(xian)圈(quan)(quan)(quan)或(huo)重繞(rao)轉(zhuan)子(zi)線(xian)(xian)圈(quan)(quan)(quan)。

（5）離心室內不降溫

離(li)(li)心(xin)(xin)機(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)是(shi)(shi)(shi)采用壓(ya)縮式單級蒸發循環制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)，制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)過程(cheng)中必須要有(you)(you)兩個系(xi)統(tong)組成。其一是(shi)(shi)(shi)控(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)系(xi)統(tong)，其二是(shi)(shi)(shi)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)系(xi)統(tong)。可(ke)見，離(li)(li)心(xin)(xin)室(shi)不降溫(即不制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng))有(you)(you)可(ke)能(neng)是(shi)(shi)(shi)控(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)系(xi)統(tong)和制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)系(xi)統(tong)出現故(gu)障，先檢查(cha)(cha)確認是(shi)(shi)(shi)控(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)系(xi)統(tong)還是(shi)(shi)(shi)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)系(xi)統(tong)出現故(gu)障。如(ru)果(guo)是(shi)(shi)(shi)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)壓(ya)縮機(ji)運轉而(er)離(li)(li)心(xin)(xin)室(shi)內不降溫，可(ke)能(neng)就是(shi)(shi)(shi)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)系(xi)統(tong)漏氟(fu)或堵塞，就要對制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)系(xi)統(tong)查(cha)(cha)漏重新加氟(fu)；如(ru)果(guo)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)壓(ya)縮機(ji)不運轉，就是(shi)(shi)(shi)控(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)系(xi)統(tong)故(gu)障，先查(cha)(cha)離(li)(li)心(xin)(xin)室(shi)的溫度設定值、顯示改變是(shi)(shi)(shi)否正常，如(ru)果(guo)正常，查(cha)(cha)離(li)(li)心(xin)(xin)室(shi)溫度傳感(gan)器及插板各插頭及接線，是(shi)(shi)(shi)否接觸良好，壓(ya)縮機(ji)啟(qi)動(dong)器(PTC)是(shi)(shi)(shi)否損壞，壓(ya)縮機(ji)線圈(quan)斷線，逐一排查(cha)(cha)并解決。