泓筌
3）降速过程中，再生制动的放电单元工作不理想
a.来不及放电，应增加外接制动电阻和制动单元
b.放电支路发生故障,实际并不放电
(2) 欠电压跳闸,可能的原因有:
1) 电源电压过低 2) 电源断相 3) 整流桥故障
西子奥的斯电梯西威变频器故障代码
supply:供电电压故障
under voltage:欠电压
over voltahe:过电压
IGBT desaturat:IGBT故障
inst over cuureent：过电流
ground fault：接地故障
curr fbk loss：电流反馈故障
module OT：模块过热
heatsink OT：散热器过热
motor OT：电机过热
heatsink S OT：散热器传感器过热
rugulation S OT：调节板传感器过热
intake air SOT：环境温度传感器过热
cont fbk fail：接触器反馈故障
commcardfault：通讯故障
appl card fault：选件卡故障
drive overload：变频器过载
BU overload：电机过载
data lost：制动单元过载
brake fbk fail：数据丢失
door fbk fail：门驱反馈故障
spd fbk loss:速度反馈丢失
西威变频器维修： AVY2055-KBL A AVY2075-KBL A AVY3110-KBL A AVY3150-KBL AAVY4185-KBL A AVY4221-KBL A AVy4301-KBL A AVY4370-KBL A AVY5550-KBLA AVY5450-KBL A AVO3150-KBL A AVY6750-KBL A AVY2055-KBLMAVY2075-KBLM AVO2055-KBLM AVY4185-KBLM AVY3150-KBLM AVY4221-KBLMAVO5550-KBLM AVO3075-KBLM AVO3110-KBLM AVO3130-KBL BR4 AVY6750-KBLBR4 AVY5450-KBL BR4 AVY5550-KBL BR4 AVY4301-KBL BR4 AVY4370-KBL BR4AVY4185-KBL BR4 AVY3110-KBM BR4 AVY6750-KBX AGY3110-KBX
异步电梯西威变频器维修型号： AVY2055-KBL A AVY3075-KBL A AVY3110-KBL AAVY3150-KBL A AVY4180-KBL A AVY4220-KBL A AVY4300-KBL A AVY4370-KBLA AVY5550-KBL A AVY5450-KBL A AVO3150-KBL A AVY6750-KBL A
同步电梯专用西威变频器维修型号： AVY2055-KBLM AVY2075-KBLM AVO2055-KBLMAVY4180-KBLM AVY3150-KBLM AVY4220-KBLM AVO5550-KBLM AVO2075-KBLMAVO3110-KBLM AVO3075-KBL BR4 AVY6750-KBL BR4 AVY5450-KBL BR4AVY5550-KBL BR4 AVY4300-KBL BR4 AVY4370-KBL BR4 AVY3185-KBL BR4AVY3110-KBM BR4 AVY6750-KXX AGY3110-KBX AGY3150-KBX AGY2075-KBXAGY4220-KBX AGY5550-KBX AVS3110-KBL AVS2075-KBL AVS3150-KBLAVS3185-KBL
西威变频器维修主板型号： RV33-3 A-O V3.4 RV33-4NV-1
西威变频器维修驱动板型号：PV33-4L-18-400D变频器电源板PV33-2-04，PV33-2-07，PV33-3-11，PV33-3-15，PV33-4-18，PV33-4-22，PV33-4-45，PV33-4-55，变频器IGBT S8H59等。
西威PG卡 西威分频卡：TL-EXP-E V2.2 AVY2055-KBL A AVY2075-KBL AAVY3110-KBL A AVY3150-KBL A AVY4185-KBL A AVY4221-KBL A AVy4301-KBLA AVY4370-KBL A AVY5550-KBL A AVY5450-KBL A AVO3150-KBL AAVY6750-KBL A AVY2055-KBLM AVY2075-KBLM AVO2055-KBLM AVY4185-KBLMAVY3150-KBLM AVY4221-KBLM AVO5550-KBLM AVO3075-KBLM AVO3110-KBLMAVO3130-KBL BR4 AVY6750-KBL BR4 AVY5450-KBL BR4 AVY5550-KBL BR4AVY4301-KBL BR4 AVY4370-KBL BR4 AVY4185-KBL BR4 AVY3110-KBM BR4AVY6750-KBX AGY3110-KBX AGY3150-KBX AGY2075-KBX AVS1110-EBLAVs1075-KBL AVS1150-KBL AVS1185-KBL AGY3150-KBX AGY2075-KBXAGY4221-KBX AGY5550-KBX AVS1110-EBL AVs1075-KBL AVS1150-KBLAVS1185-KBL
西威变频器主板型号： RV33-3 A-O V3.4 RV33-4NV-1 RV33-4 A-O
西威变频器驱动板型号：PV33-4L-18-400D变频器电源板PV33-2-04；PV33-2-07；PV33-3-11；PV33-3-15；PV33-4-18;PV33-4-22；PV33-4-45;PV33-4-55；变频器IGBT S8H59等。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,
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
维修流程:
步：获悉产品的故障状况。