维修流程
第一步：获悉产品的故障状况。
第二步：根据用户的故障描述，分析造成此类故障的原因。
第三步：打开需维修的产品，确认被损坏的器件，分析维修恢复的可行性。
第四步：根据被损坏器件的工作位置，阅读及分析电路工作原理，从中找出损坏器件的原因。
第五步：征求用户维修意见，确认维修价格与交货期。
第六步：寻找相关的器件进行配换。
第七步：确定产品故障及原因都排除，通电进行试验。
第八步：在产品正常工作的情况下，进入系统。 台达变频器型号：

VFD-A系列:
VFD007A21A,VFD007A23A,VFD015A21A,VFD015A23A,VFD007A43A,

VFD015A43B,VFD022A21A,VFD022A23A,VFD037A23A,VFD022A43A,

VFD037A43A,VFD055A23B,VFD075A23B,VFD055A43B,VFD075A43B,

VFD110A23A,VFD150A23A,VFD185A23A,VFD220A23A,VFD110A43A,

VFD150A43A,VFD185A43A,VFD220A43A;
VFD-M系列

VFD004M21A,VFD004M23A,VFD007M21A,VFD007M23A,VFD015M21A,

VFD015M23A,VFD002M11A,VFD004M11A,VFD004M21B,VFD007M11A,

VFD007M21B,VFD007M43B,VFD015M21B,VFD015M43B,VFD022M23B,

VFD022M43B,VFD022M21A,VFD037M23A,VFD037M43A,VFD055M23A,

VFD055M43A,VFD075M43A,
VFD-E系列

VFD002S11A/B,VFD002S21A/B/E,VFD002S23A,VFD004S11A/B,

VFD004S21A/B/E,VFD004S23A,VFD004S43A/B/E,VFD007S11A/B,

VFD007S21A/B/E,VFD007S23A,VFD007S43A/B/E,VFD015S21D/E,

VFD015S23D,VFD015S43D/E/U,VFD022S21D/E/U,VFD022S23D,VFD022S43D/E/U,
VFD-B系列:

VFD007B21A,VFD015B21A,VFD015B21B,VFD022B21A,VFD007B23A,

VFD007B43A,VFD007B53A,VFD015B23A/B,VFD015B43A,VFD015B53A,

VFD022B23A,VFD022B43B,VFD022B53A,VFD037B23A,VFD037B43A,

VFD037B53A,VFD055B23A,VFD055B43A,VFD055B53A,VFD075B23A,

VFD075B43A,VFD075B53A,VFD110B23A,VFD110B43A,VFD110B53A,

VFD150B23A,VFD150B43A,VFD150B53A,VFD185B23A,VFD185B43A,

VFD185B53A,VFD220B23A,VFD220B43A,VFD220B53A,VFD300B23A,

VFD300B43A,VFD300B53A,VFD370B23A,VFD370B43A,VFD370B53A,

VFD450B43A,VFD450B53A,VFD550B43A/C,VFD550B53A,VFD750B43A/C,VFD750B53A,
VFD-S系列:

VFD002S11A/B,VFD002S21A/B/E,VFD004S11A/B,VFD004S21A/B/E,

VFD007S11A/B,VFD007S21A/B/E,VFD015S21D/E,VFD022S21D/E/U,

VFD002S23A,VFD004S23A,VFD004S43A/B/E,VFD007S23A,VFD007S43A/B/E,

VFD015S23D,VFD015S43D/E/U,VFD022S23D,VFD022S43D/E/U;
VFD-V系列:

VFD007V23A,VFD015V23A,VFD022V23A,VFD037V23A,VFD007V43A,

VFD015V43A,VFD022V43A,VFD037V43A,VFD055V23A,VFD075V23A,

VFD110V43A,VFD150V43A,VFD185V43A,VFD110V23A,VFD150V23A,

VFD220V43A,VFD300V43A,VFD370V43A,VFD185V23A,VFD220V23A,

VFD300V23A,VFD450V43A,VFD370V23A,VFD550V43A,VFD750V43A;
VFD750F43A ， VFD550F43A ， VFD450F43A ， VFD375F43A ， VFD300F43A ， 

VFD220F43A ， VFD185F43A ， VFD150F43A ， VFD110F43A ， VFD075F43A ，

 VFD055F43A ， VFD750B43A ， VFD550B43A ， VFD450B43A ， VFD375B43A ，

 VFD300B43A ， VFD220B43A ， VFD185B43A ， VFD150B43A ， VFD110B43A ， 

VFD075B43A ， VFD055B43A ， VFD037B43A ， VFD022B43A ， VFD015B43A ， 

VFD007B43A ， VFD022B21A ， VFD015B21A ， VFD007B21A ， VFD220A43A ， 

VFD185A43A ， VFD150A43A ， VFD110A43A ， VFD075A43B ， VFD055A43B ， 

VFD037A43A ， VFD022A43A ， VFD015A43B ， VFD007A43A ， VFD022A21A ， 

VFD015A21A ， VFD007A21A ， VFD055M43A ， VFD037M43A ， VFD022M43B ， 

 

 

VFD015M43B ， VFD007M43B ， VFD022M21A ， VFD015M21A ， VFD007M21A ， 

 

VFD004M21A ， VFD007L21A ， VFD004L21A ， VFD002L21A