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1、CommontroubleShootingmethods：1.Noultrasound,switchisautomaticallyturnedoffwhenturningonthepower.(1)Removetheload(transducer)，re-openthegeneratorwithfanturns,driveboardindicatorlight,thisindicatingtheloadhasshort-circuitphenomenon,pleasechecktheload.Ifremovingth
2、eload(transducer),re-openthepower;switchisstillautomaticallyturnedoff,thenkeepgoingthenexttest.(2)Opentheshelltocheckwhetherthepowerswitchisdamaged,orthepowerboardonthefuseisburned,ifburnedindicatesthatthepowertubeisbreakdown.Pleasefullyreplacethepowertubeand22
3、Qresistanee,andcheckwhethertherec廿fierbridgepileisburned.Detectionmethod:adjustthemultimetertoQresistancegear;blacktestpenconnectedthepositiveterminalofrectifierbridgeheap;theredonerespectivelyconnectedthetwoACterminal.Ifpinsareconnected,replacerectifierbridgeh
4、eap.2.Noultrasound,fanturn,driveboardindicatorlight,pluginthefrequencytablehasafrequencydisplay.(1)checkeachconnectorofgeneratorislooseornot.Ifloose,thenweldingit;ifnot,checkthenextstep.[2]Checkwhethertheammeterisdamaged,ifyes,replaceit・3.Noultrasound,fanturn,d
5、riveboardindicatorlight・(1)Pluginthefrequencytable,nofrequencydisplay,thisindicatesdriveboardisdamaged,replaceit.4.Noultrasound,fanturn,driveboardindicatordoesnotshine.(1)Checkwhetherthepowersupplyofthedriveboardisdamaged,ifyes,replacepowersupply•5.Thereisultra
6、sound,currentistoolarge,notnormal.[1]Checkthestep-uptransformertoseewhetherthereisaninternalshortcircuit,ifyes,replaceit;ifnotgoonthenextstep・(2)Checkwhetherthereisproblemwiththeload.6.Thereisultrasound,butthepowercannotbeadjusted・[1]CheckweathertheSCRisshort-c
7、ircuit,ifyesreplaceit;ifnogoonnextstep・[2]Fullycheckthepoweradjustmentpotentiometer;replacetheabnormalone.7.Thereisultrasound,butthesoundisnotnormalorpoorultrasound.(1)Usethefrequencytabletoseewhethertheoutputfrequencywithinthenormaltransduceroperatingfrequency
8、range(frequency28KHZtransducershouldbe27KHZ-31KH乙40KHZtransducer38KHZ-42KHZ).Ifthedifferenceistoolarge,youcanadjustthefrequencypotentiometertorestorethenormaloperatingfreque
