超低溫冰箱常見故障及排除
超chao低di溫wen冰bing箱xiang雖sui然ran製zhi冷leng係xi統tong和he控kong製zhi電dian路lu都dou比bi較jiao複fu雜za,但dan常chang見jian故gu障zhang主zhu要yao是shi循xun環huan係xi統tong和he電dian路lu部bu分fen故gu障zhang,下xia麵mian簡jian要yao介jie紹shao幾ji種zhong常chang見jian故gu障zhang及ji其qi排pai除chu辦ban法fa。
1.接通電源後,總電源的空氣開關自動斷開
排除方法:檢(jian)查(zha)第(di)一(yi)級(ji)製(zhi)冷(leng)係(xi)統(tong)的(de)壓(ya)縮(suo)機(ji)是(shi)否(fou)損(sun)壞(huai),若(ruo)損(sun)壞(huai)則(ze)會(hui)造(zao)成(cheng)短(duan)路(lu),引(yin)起(qi)電(dian)源(yuan)保(bao)護(hu)。可(ke)以(yi)更(geng)換(huan)配(pei)件(jian),若(ruo)沒(mei)有(you)原(yuan)廠(chang)配(pei)件(jian),可(ke)經(jing)測(ce)算(suan)更(geng)換(huan)相(xiang)當(dang)功(gong)率(lv)的(de)冰(bing)箱(xiang)壓(ya)縮(suo)機(ji),將(jiang)管(guan)道(dao)焊(han)接(jie)好(hao),經(jing)過(guo)加(jia)壓(ya)檢(jian)查(zha)完(wan)管(guan)道(dao)氣(qi)密(mi)性(xing)後(hou)抽(chou)真(zhen)空(kong)並(bing)加(jia)入(ru)R-12氟利昂23.00z,再開機檢測是否正常。
該gai故gu障zhang一yi般ban是shi因yin為wei電dian源yuan不bu穩wen定ding造zao成cheng的de,因yin為wei第di一yi級ji先xian啟qi動dong,故gu損sun壞huai通tong常chang都dou在zai第di一yi級ji,這zhe種zhong情qing況kuang下xia,一yi般ban隻zhi要yao加jia裝zhuang延yan時shi穩wen壓ya電dian源yuan,就jiu不bu會hui再zai出chu現xian該gai故gu障zhang。
2.箱內溫度未達到設定溫度就已經停止工作
排除方法:雖(sui)然(ran)箱(xiang)內(nei)未(wei)達(da)到(dao)設(she)定(ding)溫(wen)度(du),但(dan)是(shi)麵(mian)板(ban)顯(xian)示(shi)溫(wen)度(du)卻(que)已(yi)經(jing)達(da)到(dao)設(she)定(ding)溫(wen)度(du)。這(zhe)是(shi)由(you)於(yu)檢(jian)測(ce)溫(wen)度(du)的(de)熱(re)敏(min)電(dian)阻(zu)損(sun)壞(huai),需(xu)要(yao)更(geng)換(huan)配(pei)件(jian)。若(ruo)沒(mei)有(you)原(yuan)廠(chang)配(pei)件(jian),可(ke)重(zhong)新(xin)安(an)裝(zhuang)一(yi)套(tao)溫(wen)度(du)控(kong)製(zhi)係(xi)統(tong),即(ji)可(ke)消(xiao)除(chu)故(gu)障(zhang)。
3.冰箱製冷效果降低,人觸摸箱體金屬部分有電擊感覺
排除方法:用(yong)萬(wan)用(yong)表(biao)測(ce)量(liang)冰(bing)箱(xiang)漏(lou)電(dian)情(qing)況(kuang),采(cai)用(yong)分(fen)段(duan)法(fa)檢(jian)查(zha)。在(zai)給(gei)高(gao)溫(wen)級(ji)壓(ya)縮(suo)機(ji)單(dan)獨(du)通(tong)電(dian)運(yun)行(xing)時(shi),檢(jian)查(zha)是(shi)否(fou)是(shi)由(you)於(yu)該(gai)壓(ya)縮(suo)機(ji)漏(lou)電(dian)引(yin)起(qi)整(zheng)個(ge)箱(xiang)體(ti)帶(dai)電(dian)。靜(jing)態(tai)檢(jian)測(ce)壓(ya)縮(suo)機(ji)接(jie)線(xian)柱(zhu),注(zhu)意(yi)觀(guan)察(cha)電(dian)動(dong)機(ji)繞(rao)組(zu)內(nei)引(yin)線(xian)插(cha)頭(tou)部(bu)分(fen),若(ruo)與(yu)機(ji)殼(ke)有(you)打(da)火(huo)痕(hen)跡(ji),表(biao)明(ming)該(gai)處(chu)漏(lou)電(dian)。
采cai用yong把ba接jie線xian柱zhu部bu分fen連lian同tong周zhou圍wei一yi部bu分fen殼ke體ti一yi起qi更geng換huan的de方fang法fa,裝zhuang上shang機ji體ti後hou通tong電dian使shi其qi運yun轉zhuan,檢jian查zha有you無wu漏lou電dian現xian象xiang,等deng壓ya縮suo機ji各ge項xiang指zhi標biao正zheng常chang後hou,裝zhuang回hui低di溫wen冰bing箱xiang底di座zuo上shang,連lian接jie管guan道dao,檢jian漏lou、抽空、充注適量製冷劑使冰箱恢複正常運行。http://www.98fo.cn



