再(zai)看(kan)看(kan)穩不穩定，一(yi)般(ban)市電(dian)(dian)(dian)低于(yu)190伏的時(shi)候定頻空調就(jiu)(jiu)不能(neng)工作了，變(bian)頻空調適(shi)應電(dian)(dian)(dian)壓(ya)的能(neng)力很(hen)強，一(yi)般(ban)不用考慮電(dian)(dian)(dian)壓(ya)問題。處(chu)理方法(fa)是(shi)(shi)使用穩壓(ya)器，如果還是(shi)(shi)不行(xing)(xing)就(jiu)(jiu)要另外拉線了。二電(dian)(dian)(dian)壓(ya)如果沒有(you)問題，精(jing)密空調公司，就(jiu)(jiu)要考慮是(shi)(shi)不是(shi)(shi)缺少(shao)(shao)冷(leng)(leng)氣(qi)(qi)了。具體判(pan)斷方法(fa)是(shi)(shi)觀(guan)察室外機粗銅(tong)(tong)管(guan)(guan)(guan)(guan)有(you)沒有(you)結(jie)霜現象，或(huo)(huo)(huo)者(zhe)用鉗表監測運行(xing)(xing)電(dian)(dian)(dian)流。一(yi)般(ban)缺氟，電(dian)(dian)(dian)流都小于(yu)正(zheng)常(chang)運行(xing)(xing)時(shi)候的電(dian)(dian)(dian)流。如果細(xi)(xi)銅(tong)(tong)管(guan)(guan)(guan)(guan)和(he)粗銅(tong)(tong)管(guan)(guan)(guan)(guan)同時(shi)結(jie)霜，說明管(guan)(guan)(guan)(guan)道(dao)有(you)堵塞的情況，精(jing)密空調多少(shao)(shao)錢一(yi)臺(tai)，或(huo)(huo)(huo)者(zhe)銅(tong)(tong)管(guan)(guan)(guan)(guan)壓(ya)扁，或(huo)(huo)(huo)者(zhe)毛細(xi)(xi)管(guan)(guan)(guan)(guan)臟堵或(huo)(huo)(huo)者(zhe)冰堵，如果懷疑(yi)冰堵，可(ke)以開制(zhi)熱(re)看(kan)看(kan)、然后再(zai)開回制(zhi)冷(leng)(leng)，等冰化了又好了。如果是(shi)(shi)臟堵，那就(jiu)(jiu)請人處(chu)理了（一(yi)般(ban)用高壓(ya)氮氣(qi)(qi)來吹）。

檢測(ce)方法(fa)：用(yong)(yong)萬用(yong)(yong)表(biao)選擇量(liang)程為(wei)R*1K歐(ou)，測(ce)量(liang)1、2管腳的(de)(de)電(dian)阻值為(wei)1K歐(ou)，3、4管腳的(de)(de)電(dian)阻值為(wei)無窮(qiong)大，否則(ze)為(wei)部件(jian)(jian)損(sun)壞。四、過(guo)流(liu)（過(guo)熱(re)）保(bao)護器(qi)(qi)1、 過(guo)流(liu)（過(guo)熱(re)）保(bao)護器(qi)(qi)緊壓(ya)在(zai)壓(ya)縮(suo)機(ji)的(de)(de)外殼上（為(wei)早(zao)期(qi)使(shi)用(yong)(yong)的(de)(de)壓(ya)縮(suo)機(ji)），并與壓(ya)縮(suo)機(ji)電(dian)路串聯(lian)，能(neng)感受到壓(ya)縮(suo)機(ji)的(de)(de)外殼和電(dian)動(dong)機(ji)的(de)(de)電(dian)流(liu)，無論哪一個超過(guo)了規(gui)定(ding)值，都會使(shi)繼電(dian)器(qi)(qi)的(de)(de)觸點斷開使(shi)壓(ya)縮(suo)機(ji)停止(zhi)運轉．其發熱(re)元(yuan)件(jian)(jian)為(wei)雙金屬片和電(dian)熱(re)絲．同(tong)時(shi)當繼電(dian)器(qi)(qi)的(de)(de)電(dian)熱(re)絲冷卻后，精(jing)密(mi)空調代理商，雙金屬片恢復原形，使(shi)觸點閉(bi)合．另(ling)外還有一種內埋式熱(re)保(bao)護繼電(dian)器(qi)(qi)，精(jing)密(mi)空調，該元(yuan)件(jian)(jian)埋在(zai)壓(ya)縮(suo)機(ji)內部繞組中，直(zhi)接感受壓(ya)縮(suo)機(ji)繞組變化。

利用(yong)一可正(zheng)常(chang)工作(zuo)的(de)柜機(ji)(ji)室內(nei)顯(xian)(xian)示(shi)板(ban)(ban)，替換(huan)原出現故(gu)(gu)障(zhang)(zhang)的(de)柜機(ji)(ji)室內(nei)顯(xian)(xian)示(shi)板(ban)(ban)，若(ruo)(ruo)(ruo)空(kong)調(diao)(diao)(diao)仍出現故(gu)(gu)障(zhang)(zhang)，則判(pan)(pan)定(ding)為(wei)空(kong)調(diao)(diao)(diao)內(nei)機(ji)(ji)主(zhu)板(ban)(ban)存(cun)(cun)在故(gu)(gu)障(zhang)(zhang)；若(ruo)(ruo)(ruo)空(kong)調(diao)(diao)(diao)故(gu)(gu)障(zhang)(zhang)消(xiao)失，則說明為(wei)空(kong)調(diao)(diao)(diao)內(nei)機(ji)(ji)顯(xian)(xian)示(shi)板(ban)(ban)故(gu)(gu)障(zhang)(zhang)；4、利用(yong)一可正(zheng)常(chang)工作(zuo)的(de)柜機(ji)(ji)室內(nei)主(zhu)板(ban)(ban)，替換(huan)原出現故(gu)(gu)障(zhang)(zhang)的(de)柜機(ji)(ji)室內(nei)主(zhu)板(ban)(ban)；若(ruo)(ruo)(ruo)空(kong)調(diao)(diao)(diao)故(gu)(gu)障(zhang)(zhang)消(xiao)失，則說判(pan)(pan)定(ding)為(wei)空(kong)調(diao)(diao)(diao)內(nei)機(ji)(ji)主(zhu)板(ban)(ban)存(cun)(cun)在故(gu)(gu)障(zhang)(zhang)；若(ruo)(ruo)(ruo)空(kong)調(diao)(diao)(diao)仍出現主(zhu)板(ban)(ban)與(yu)顯(xian)(xian)示(shi)板(ban)(ban)通信(xin)故(gu)(gu)障(zhang)(zhang)，則可判(pan)(pan)定(ding)為(wei)空(kong)調(diao)(diao)(diao)顯(xian)(xian)示(shi)板(ban)(ban)存(cun)(cun)在故(gu)(gu)障(zhang)(zhang)；十二、加濕(shi)(shi)器(qi)(qi)(qi)故(gu)(gu)障(zhang)(zhang)排查(cha)方法1、檢(jian)(jian)查(cha)加濕(shi)(shi)器(qi)(qi)(qi)及濕(shi)(shi)度傳(chuan)感(gan)器(qi)(qi)(qi)接線是否(fou)正(zheng)常(chang)；如(ru)存(cun)(cun)在問(wen)題(ti)，則進(jin)行替換(huan)或者調(diao)(diao)(diao)整；2、檢(jian)(jian)查(cha)濕(shi)(shi)度傳(chuan)感(gan)器(qi)(qi)(qi)檢(jian)(jian)測值是否(fou)正(zheng)常(chang)，若(ruo)(ruo)(ruo)存(cun)(cun)在問(wen)題(ti)，則判(pan)(pan)定(ding)為(wei)濕(shi)(shi)度傳(chuan)感(gan)器(qi)(qi)(qi)故(gu)(gu)障(zhang)(zhang)，需調(diao)(diao)(diao)整。