日立电梯运行抖动跳ER9是变频器HELG7-4V9-15 H7-15-4GA1问题,变频器用了10年老化了,不过维修后还可以用很久,日本原装好机器。同样的变频器有: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
(http::广州日立电梯变频器维修李春发)
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