
西門(men)子S120控(kong)制(zhi)器(qi)報(bao)F30021同時F30005報(bao)警(jing)維修(xiu)處理
西門(men)子S120驅(qu)動(dong)器(qi)顯示F30021及F30005功(gong)率單元過(guo)載(zai)和(he)接地(di)解(jie)決(jue)維修(xiu)
1;使用(yong)萬用(yong)表測量(liang)驅(qu)動(dong)器(qi)輸出(chu)信號(如(ru)786J模(mo)塊的2.2V輸(shu)出(chu)是(shi)否(fou)正常),若(ruo)異常則更(geng)換IGBT模(mo)塊。
2;檢測(ce)檢流(liu)電(dian)阻阻值(如(ru)786J的2、3腳(jiao)阻值應為78Ω左(zuo)右),偏(pian)差過(guo)大需更(geng)換。
3;觸發(fa)板(ban)與功(gong)率單元:
4;檢查(zha)觸發(fa)板(ban)電源(yuan)電(dian)壓(如(ru)±15V)是(shi)否(fou)穩定(ding),觸發(fa)脈沖(chong)波形(xing)是(shi)否(fou)正常。
5;測試(shi)IGBT模(mo)塊是(shi)否(fou)擊穿,用(yong)示波器觀察(cha)輸(shu)出(chu)端對地(di)電(dian)壓波形(xing),排(pai)除內部(bu)功(gong)率器件(jian)接地(di)

西門(men)子S120功(gong)率模(mo)塊報(bao)F30005排(pai)查(zha)解決
1;機械(xie)卡(ka)死、
2;參(can)數設置(zhi)錯誤(wu)、
3;功率單元損壞(huai)
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