Invertek Drives OPTIDRIVE P2 Series - Troubleshooting; Fault Messages and Corrective Actions

OptidriveODP‐2UserGuideRevision1.30
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www.invertekdrives.com
51
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11 Troubleshooting
11. Troubleshooting
11.1. Faultmessages
FaultCode No. Description CorrectiveAction
no-Flt
00 NoFault DisplayedinP0‐13ifnofaultsarerecordedinthelog
OI-b
01 Brakechannelovercurrent Ensuretheconnectedbrakeresistorisabovetheminimumpermissiblelevelforthedrive–
refertotheratingsshowninsection10.2.
Checkthebrakeresistorandwiringforpossibleshortcircuits.
OL-br
02 Brakeresistoroverload Thedrivesoftwarehasdeterminedthatthebrakeresistorisoverloaded,andtripstoprotect
theresistor.Alwaysensurethebrakeresistorisbeingoperatedwithinitsdesignedparameter
beforemakinganyparameterorsystemchanges.
Toreducetheloadontheresistor,increasedecelerationthetime,reduceth
eloadinertiaor
addfurtherbrakeresistorsinparallel,observingtheminimumresistancevalueforthedrive
inuse.
O-I
03 Instantaneousovercurrentondrive
output.
Excessloadonthemotor.
FaultOccursonDriveEnable
Checkthemotorandmotorconnectioncableforphase–phaseandphase–earthshort
circuits.
Checktheloadmechanicallyforajam,blockageorstalledcondition
Ensurethemotornameplateparametersarecorrectlyent
ered,P1‐07,P1‐08,P1‐09.
IfoperatinginVectormode(P4‐01–0or1),alsocheckthemotorpowerfactorinP4‐05and
ensureanautotunehasbeensuccessfullycompletedfortheconnectedmotor.
ReducedtheBoostvoltagesettinginP1‐11
IncreasetherampuptimeinP1‐03
Ifth
econnectedmotorhasaholdingbrake,ensurethebrakeiscorrectlyconnectedand
controlled,andisreleasingcorrectly
FaultOccursWhenRunning
IfoperatinginVectormode(P4‐01–0or1),reducethespeedloopgaininP4‐03
I.t-trp
04 Drivehastrippedonoverloadafter
delivering>100%ofvalueinP1‐08for
aperiodoftime.
Checktoseewhenthedecimalpointsareflashing(driveinoverload)andeitherincrease
accelerationrateorreducetheload.
Checkmotorcablelength iswithinthelimitspecifiedforthere
levantdriveinsection10.2
EnsurethemotornameplateparametersarecorrectlyenteredinP1‐07,P1‐08,andP1‐09
IfoperatinginVectormode(P4‐01–0or1),alsocheckthemotorpowerfactorinP4‐05and
ensureanautotunehasbeensuccessfullycompletedforth
econnectedmotor.
Checktheloadmechanicallytoensureitisfree,andthatnojams,blockagesorother
mechanicalfaultsexist
PS-trP
05 HardwareOverCurrent Checkthewiringtomotorandthemotorforphasetophaseandphasetoearthshort
circuits.Disconnectthemotorandmotorcableandretest.Ifthedrivetripswithnomotor
connected,itmustbereplacedandthesystemfullycheckedandretestedbeforea
r
eplacementunitisinstalled.
O-Volt
06 OvervoltageonDCbus ThevalueoftheDCBusVoltagecanbedisplayedinP0‐20
Ahistoricallogisstoredat256msintervalspriortoatripinparameterP0‐36
Thisfaultisgenerallycausedbyexcessiveregenerativeenergybeingtransferredfromthe
loadbacktothedrive.Whenahighinert
iaoroverhaulingtypeloadisconnected.
Ifthefaultoccursonstoppingorduringdeceleration,increasethedecelerationramptime
P1‐04orconnectasuitablebrakeresistortothedrive.
IfoperatinginVectorMode,reducethespeedloopgainP4‐03
Ifopera
tinginPIDcontrol,ensurethatrampsareactivebyreducingP3‐11
U-Volt
07 UndervoltageonDCbus Thisoccursroutinelywhenpowerisswitchedoff.
Ifitoccursduringrunning,checktheincomingsupplyvoltage,andallconnectionsintothe
drive,fuses,contactorsetc.
O-t
08 Heatsinkovertemperature TheheatsinktemperaturecanbedisplayedinP0‐21.
Ahistoricallogisstoredat30secondintervalspriortoatripinparameterP0‐38
Checkthedriveambienttemperature
Ensurethedriveinternalcoolingfanisoperating
Ensurethattherequiredspacearoundthedriveassh
owninsections3.5to3.9hasbeen
observed,andthatthecoolingairflowpathtoandfromthedriveisnotrestricted
ReducetheeffectiveswitchingfrequencysettinginparameterP2‐24
Reducetheloadonthemotor/drive
U-t
09 Undertemperature Tripoccurswhenambienttemperatureislessthan‐10°C.Thetemperaturemustberaised
over‐10°Cinordertostartthedrive.
P-def
10 FactoryDefaultparametershave
beenloaded
PressSTOPkey,thedriveisnowreadytobeconfiguredfortherequiredapplication
E-trip
11 Externaltrip E‐triprequestedoncontrolinputterminals.SomesettingsofP1‐13requireanormallyclosed
contactortoprovideanexternalmeansoftrippingthedriveintheeventthatanexternal
devicedevelopsafault.Ifamotorthermistorisconnectedcheckifthemotoristoohot.
SC-Obs
12 CommunicationsFault CommunicationslostwithPCorremotekeypad.Checkthecablesandconnectionsto
externaldevices
Flt-dc
13 ExcessiveDCRipple TheDCBusRippleVoltagelevelcanbedisplayedinparameterP0‐22
Ahistoricallogisstoredat20msintervalspriortoatripinparameterP0‐39
Checkallthreesupplyphasesarepresentandwithinthe3%supplyvoltagelevelimbalance
tolerance.
Reducethemotorload
Ifth
efaultpersists,contactyourlocalInvertekDrivesSalesPartner
P-Loss
14 Inputphaselosstrip Driveintendedforusewitha3phasesupply, oneinputphasehasbeendisconnectedorlost.
h O-I
15 Instantaneousovercurrentondrive
output.
Refertofault3above