上海德诺尔021-61127056，维修***13391160662，西威变频器常见故障如下：Failuresupply:变频器控制部分一个或多个供电电源电路故障。Undervoltage:变频器DClink电压低于设定的输入电压设置的***小阈值。Overvoltage:变频器DClink电压高于设定输入电压设置的***大阈值。IGBTdesatflt:门极退饱和传感电路检测到IGBT瞬时过电流。InstOvercurrent:输出传感器检测到IGBT瞬时过电流。Groundfault:输出相对地放电。Currfbkloss:电流检测传感器反馈故障或者电源供应故障。Externalfaul:外部故障信号有输入。Spdfbkloss:监测到速度反馈传感器或者电源故障。ModultOT:内部传感器检测到IGBT过热。HeatsinkOT:热敏继电器检测到散热器过热。MotorOT:热敏继电器或者PCT热敏电阻检测到电机过热。HeatsinkSOT:散热片线性温度传感器超出阈值。DrvOverload:变频器超载累加器超出阈值。MotOverload:电机超载累加器产出阈值。同步、异步电梯西威变频器型号：***Y2055-KBL-A******Y2075-KBLA******Y3110-KBLA******Y3150-KBLA******Y4185-KBL-A******Y4221-KBL-A******y4301-KBL-A******Y4370-KBL-A******Y5550-KBL-A******Y5450-KBL-A******O3150-KBL-A******Y6750-KBL-A******Y2055-KBLM***Y2075-KBLM***O2055-KBLM***Y4185-KBLM***Y3150-KBLM***Y4221-KBLM***O5550-KBLM***O3075-KBLM***O3110-KBLM***O3130-KBLBR4***Y6750-KBLBR4***Y5450-KBLBR4***Y5550-KBLBR4***Y4301-KBLBR4***Y4370-KBLBR4***Y4185-KBLBR4***Y3110-KBMBR4***Y6750-KBXAGY3110-KBXAGY3150-KBXAGY2075-KBXAGY4221-KBXAGY5550-KBX***S1110-EBL***s1075-KBL***S1150-KBL***S1185-KBL)