维修规格:不限 维修品牌:SIEI西威 维修型号:不限 维修费用:先检查后报价上海西威变频器维修常见故障现象:无显示、缺相、过流、过压、欠压、过热、过载、接地、参数错误、有显示无输出、模块损坏、更换配件等。上海西威变频器维修常见系列:AVY avs agy avo avry等系列销售与维修。同步、异步电梯西威变频器型号: AVY2055-KBL AC4 AVY2075-KBL AC4 AVY3110-KBL AC4AVY3150-KBL AC4 AVY4185-KBL AC4 AVY4221-KBL AC4AVY4301-KBL AC4 AVY4370-KBL AC4 AVY5550-KBL AC4 AVY5450-KBL AC4 AVO3150-KBL AC4 AVY6750-KBL AC4AVY2055-KBLM AVY2075-KBLM AVO2055-KBLM 出现以下故障代码请报修:supplyunder voltageover voltaheIGBT desaturatinst over cuureentground faultcurr fbk lossmodule OTheatsink OTmotor OTheatsink S OTrugulation S OTintake air SOTcont fbk failcommcardfault