西門子6RA28維修，直流調(diào)速器維修，主板報(bào)警維修，沒有顯示維修，故障消除不了維修，驅(qū)動(dòng)板壞維修，西門子6RA28直流調(diào)速器報(bào)故障F02維修，F(xiàn)12故障維修，電源板維修，過流維修，無(wú)顯示維修，字符顯示殘缺維修，顯示不齊全維修，炸保險(xiǎn)維修，速度不穩(wěn)維修，跳閘維修，燒保險(xiǎn)維修，F(xiàn)11故障維修，F(xiàn)04故障維修，啟動(dòng)就報(bào)F25故障維修，O03故障維修，何工

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