Specifications

InstallationandOperationManual(REVH) PVI6500/PVI7500
 
48
5Troubleshooting
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5.1 Diagnos isandanalysingdata
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Identifyingandresolvingfaults
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ThePVI6500‐7500isfittedwithaself‐diagnosticsystem,whichcanrecognizethemajorityofpossiblefaultsandshowtheseon
thedisplay.ThisallowstheoperatortorapidlyidentifypossibleproblemsinthesolarinverterorPVsystem.Pleaserefertothe
LCDsection(4)forathorough
explanationoffaultcodes,modes,etc.
GroundFault:
Ifasignificant ground fault occurs inthe PV array or wiring,theGFDI fuse (locatedinthe wiringbox) may beblown.If it is,
locate and repair the ground fault and only then replace the fuse with BussmannKLKD1 (1 Amp, 600VDC). Call the Solectria
Renewablescustomer
servicehotlineforassistancewithlocatingaDCgroundfaultinthearrayorconduits.

IftheGFDIdetectsagroundfault,theGroundFaultLEDwilllightandthe“fault”willbedisplayed.
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WeakSunlightCondition:
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Operationin weaksunlight,(forexampleearlyinthemorning,whenovercastorwhensnowiscoveringmostorallofthePV
array)cancausetheinvertertogothroughacycleoftryingtostartandrestartseveraltimes.Thiscanoccurifthearrayreaches
260V(strikevoltage)
butthereisnearlynopoweravailable.

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5.2 ExplanationsofErrorMessages
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Intheeventofafault,theinverterwillstopfeedingtheACvoltagetothebuilding/utilityanddisplaytheerrormessageonthe
LCD.Qualifiedservicepersonnelshalldotheanalysis,measurement,anddebugthesystem.Itisrecommendedtoanalyzethe
fault condition(s) by referring to the table below
 and then remove the fault condition(s) in order to return the inverter to a
normalstateandcontinuetofeedACpowertotheutility.PleasecontactSolectriaRenewablescustomerservicehotlineifthe
errormessagedoesnotclear.
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WARNING: Certain trouble shooting steps may require work on energized and exposed circuits, only
qualified personnel should perform these tasks. Please use Personal Protective Gear when measuring
voltageintheinverter.
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ErrorMessageTable
ErrorMessage Description PossibleSolutions
GridNA
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NoACvoltageisdetected.
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‐ VerifyACvoltagedisconnectison
‐VerifyACcircuitbreakeris
on/operational
‐VerifyandmeasureACvoltagepresent
inInverterdisconnect
‐ContactinstallingcompanyorSolectria
Renewables
DriftFac

Islandingisdetected.
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‐ VerifyACvoltagepresentandcorrect
inInverterdisconnect
‐ContactinstallingcompanyorSolectria
Renewables
VacH

TheACvoltageofutilityisabovetheupper
limit.
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‐ VerifysettingforS201iscorrectfor
thegridvoltageapplied
‐MeasuretheACvoltageandcompare
tothevoltageontheinverterdisplay
‐ContactSolectriaRenewablesfor