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1、日立变频器故障信息处理方法One,E01constant-speedrunsoverthestreamReason:1,theloadsuddenlybecomessmall,2,theoutputshortcircuit,3,1-pcbandipm-pcbcormectioncableerror,4,groundfaultProcessingmeasures:1,increasethecapacityofthefrequencychanger,2,usevectorcontrolmodeDescription:CTdetectionthestreamTheE02dec
2、eleratedthroughReason:1,speedchange,2,fault,4,deceleratetimeisbig,6,brakemethodisnotoutputshortcircuit,3,groundtooshort,5,loadinertiaistooappropriateextenddecelerationtime,3,useMeasures:1,checkoutput,2,fuzzylogictoadddeceleration,4,checkbrakingmodeDescription:CTdetectionThird,E03accelera
3、testheflowReason:1,thesuddenchangesinload,2,outputshortcircuit,3,groundfauIt,4,startfrequencyadjustmentistoohigh,five,ascensionistoohigh,6,motortorquestuck,7,acceleratingtimeistooshort,8,connectionbetweentheinverterandmotorcableistoolongMeasures:1,theuseofvectorcontrol,2,torque,3,extendt
4、heaccelerationtime,4,andincreasethecapacityoftheinverter,5,andusingthefuzzylogicfunctionofaccelerationanddeceleration,6,shortenthedistancebetweentheinverterandmotor,7,debuggingA69-7015~40hz(SJ300series)rangeDescription:CTdetectionFour,E04stopstheflowCauses:1,CTdamage,2,powermoduledamage,
5、3coolingfanisstuckordamagedFive,EOSoverloadReason:1,loadheavy,2,electronicheatrelaythresholdsettoolittleMeasures:1,reduceload,2,increasethecapacityoffrequencyconverter,3,increaseelectronicheatrelaydoorlimit6,E06brakeresistanceoverloadprotectionReason:1,theregenerativebrakingtimeistoolong
6、,2,1-pcbandipm-pcbconnectiontocableerrorMeasures:1,slowdowntime,2,increasethecapacityoffrequencyconverter,3,A38,00,4,increasebrakeusageSeven,E07overvoltageReason:1,thespeedsuddenlydecreases,2,theloadsuddenlyfallsoff,3,groundfault,4,deceleratetimetooshort,5,theloadinertiaistoobig,6,thebra
7、kemethodhasaproblemMeasures:1,prolongeddecelerationtime,2,increasedfrequencyconvertercapacity,3,plusbrakeunit,4,accordingtoE14failuretocheckEight,faultblockE08EEPROMReason:1,thenoiseistoobig,2,aroundthebodyhighambienttemperature,damage,4,3,L-PCBwithIPM-L-PCBPCB,5,andfrequ
