西門子變頻器6se70上電風扇不轉/冷卻風機壞，致力于做(zuo)上海值得(de)信賴(lai)的西(xi)門子變頻器維(wei)修企業，及時為客(ke)戶提供高品質的維(wei)修服務和。

西門子變頻器6se70上電風扇不轉/冷卻風機壞，操作(zuo)(zuo)控制面(mian)板(ban)(ban)PMU液晶(jing)顯(xian)示屏“黑屏” 檢查(cha)處理(li)：檢查(cha)底板(ban)(ban)電源(yuan)部分，查(cha)N4（UC3844）PWM脈寬(kuan)調制集成塊，測(ce)量(liang)外(wai)接(jie)4腳(jiao)振(zhen)蕩電阻原為7.5，現在變為420k，運行(xing)正(zheng)常。 （7）故障現象：操作(zuo)(zuo)控制面(mian)板(ban)(ban)PMU液晶(jing)顯(xian)示屏“黑屏” 檢查(cha)處理(li)（參見圖3）：檢查(cha)底板(ban)(ban)：主開(kai)關電源(yuan)開(kai)關管V34（K2225）柵極(ji)限流(liu)電阻R133（100和24）電阻燒壞，測(ce)量(liang)N4（3844）PWM集成塊，3腳(jiao)過流(liu)保護(hu)外(wai)接(jie)電阻由正(zheng)常時的100變為400k，更換后，運行(xing)正(zheng)常。 

，其他故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)修(xiu)復包括：無(wu)法啟動故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)，無(wu)顯示故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)，主板故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)報(bao)(bao)(bao)警(jing)，開關電(dian)(dian)(dian)(dian)源燒壞，過電(dian)(dian)(dian)(dian)流故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)報(bao)(bao)(bao)警(jing)，欠(qian)電(dian)(dian)(dian)(dian)壓(ya)故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)報(bao)(bao)(bao)警(jing)，過載故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)報(bao)(bao)(bao)警(jing)，過熱故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)報(bao)(bao)(bao)警(jing)，接地(di)故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)報(bao)(bao)(bao)警(jing)，無(wu)顯示故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)，有顯示無(wu)輸(shu)出故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)，主回(hui)路過電(dian)(dian)(dian)(dian)壓(ya)故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)，主回(hui)路欠(qian)電(dian)(dian)(dian)(dian)壓(ya)故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)，輸(shu)入欠(qian)電(dian)(dian)(dian)(dian)壓(ya)故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)，輸(shu)出欠(qian)電(dian)(dian)(dian)(dian)壓(ya)故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)，保險絲熔斷燒壞故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)，上(shang)電(dian)(dian)(dian)(dian)燒保險管故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)，輸(shu)入缺相故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)，散熱扇(shan)過熱，負(fu)載短(duan)路故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)等(deng)FO29,F011,F026,F001,F002,F006，F008，F012,F052，等(deng)等(deng)故(gu)(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)報(bao)(bao)(bao)警(jing)維修(xiu)。

流程：

第1步：根據客戶的故障描述，分析判斷該變頻器的可修性。 
第2步：客戶寄/送到我公司待檢。 
第3步：工程師具體檢測故障點，分析原因，給出處理建議。 
第4步：出具檢測報告書給客戶，報告中附有故障點，處理方法，維修價格，所需時間。 
第5步：征詢客戶意見，等待客戶確認，同意則進行維修，不同意則原機返回。 
第6步：工程師進行故障排除，維修OK, 帶電機測試。 
第7步：客戶付款。 
第8步：交付客戶使用。 
第9步：良好的質量(liang)跟蹤服務。

型號：

6SE7016-1EA61 6.1A 2.2KW 
6SE7018-0EA61 8.0A 3.0KW
6SE7021-0EA61 10.2A 4.0KW 
6SE7021-3EB61 13.2A 5.5KW 
6SE7021-8EB61 17.5A 7.5KW 
6SE7022-6EC61 25.5A 11.0KW 
6SE7023-4EC61 34.0A 15.0KW 
6SE7023-8ED61 37.5A 18.5KW 
6SE7024-7ED61 47.0A 22.0KW 
6SE7026-0ED61 59.0A 30.0KW 
6SE7027-2ED61 72.0A 37.0KW 
6SE7031-0EE60 92.0A 45.0KW 
6SE7031-2EF60 124.0A 55.0KW 
6SE7031-5EF60 146.0A 75.0KW 
6SE7031-8EF60 186.0A 90.0KW 
6SE7032-1EG60 210.0A 110.0KW 
6SE7032-6EG60 260.0A 132.0KW 
6SE7033-2EG60 315.0A 160.0KW 
6SE7033-7EG60 370.0A 200.0KW 
6SE7035-1EK60 510.0A 250.0KW 
6SE7036-0EK60 590.0A 315.0KW