日立电梯NPH启动停车抖动跳ER9/OC是变频器问题H7-15-4GA1
日立电梯NPH启动停车抖动跳ER9/OC是变频器问题H7-15-4GA1、H7-11-4GA1,,H7-22-4GA1 H7-18.5-4GA1 4GA7,ER9 HELG7F-4V8-8/11/15HELG7F-4V8-8HELG7F-4V9-8/11/154V7AR2 DCF OH1 H7F-11.0-4GA7H7F-8.0-4GA7,5000VG7(FRN15VG7S-4UD,VG7S、FRN11VG7S-4UDFRN22/18.5VG7S-4UD变频器老化了,这个比较难修,不专业不要修,很多人搞坏变频器
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