日立无机房UAX2电梯经常死机多为变频器HELG7F-4V8-8问题,HELG7F-4V8-8/11/15,HELG7F-4V9-8/11/15变频器用了10年左右,开始老化,进入维修周期,要维修一下,有时表现为运行抖动,故障代码ER9,类似变频器有、5000VG7(FRN7.5VG7S,FRN15VG7S-4UD,VG7S、FRN11VG7S-4UD FRN22/18.5VG7S-4UD)、H7-15-4GA1、H7-11-4GA1,EP4147B-C,H7-22-4GA1 H7-18.5-4GA1 4GA7,ER9 HELG7F-4V8-8/11/15 HELG7-4V7 4V9-11 HELG7F-4V9-8/11/15 4V7 AR2 DCF OH1 H7F-11.0-4GA7 H7F-8.0-4GA7及面板操作器显示器, 5000G11UD(FRN11G11UD-4C1、FRN15G11UD-4C1,FRN18.5UD,FRN22UD)
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