Delta SI 5000

53
LEDStatus
Display
message
Cause Elimination
green:<off>
red:<off>
yellow:<on>
Error#301
Internalcommunication
errororhardwarefault.
-Ifthefaultpersistsafterthedevicehas
beenreset,pleaseinformyourservice
technician.
green:<off>
red:<off>
yellow:<on>
Error#302
Thedevicetripsandre-
vertstomainsinputmode
oncethetemperaturehas
dropped.
-Checktheinstallationsite(nodirect
sunlight,aircirculation).
green:<off>
red:<on>
yellow:<off>
Error#506
Error#508
Isolationresistancefault
ontheDCsideduring
start-upphase(#508)or
runningphase(#506).
-ChecktheisolationresistanceontheDC
sideofthesolarmodules.
green:<on>
red:<on>
yellow:<off>
Isolationstart-
upwarning
Isolationrun-
ningwarning
Isolationresistancefault
ontheDCsideduring
start-upphaseorrunning
phase.
-Youmustchecktheisolationresistance
ontheDCsideofthesolarmodules.
Solarinverterisstillfeeding!
green:<on>
red:<on>
yellow:<off>
PV+grounding
fault
PV-grounding
fault
ConnectionPV+(PV-)
toGNDisinterruptedor
wrongpoleisconnected
toGND.
-CheckthattheGNDconnectionhasbeen
madecorrectlyand/orcheckthefusein
thegroundingpath.Changethefuseif
necessary.Thesolarinverterremainsin
feed-inoperation.
green:<off>
red:<off>
yellow:<on>
Revisionerror
Versionsofhard-andsoft-
warearenotcompatible.
-Ifthefaultpersistsafterthedevicehas
beenreset,pleaseinformyourservice
technician.
green:<on>
red:<on>
yellow:<on>
Selftest
ongoing
Initialisationofsolarinver-
teronstart-up.
Thersttimethesolarinverterisstarted
up:
-Normalfunctionwithasolarcellvoltage
ofbetween100Vand170V.
green:<ashes>
red:<off>
yellow:<off>
Solarpower
toolow
Internalbulkvoltagetoo
low.
-Insufcientinsolation(dawn/twilight).
-Solarcellvoltagelessthan170V.
-Checkthesolarcellvoltageviathe
displayintheNmenu.
green:<ashes>
red:<off>
yellow:<off>
Solarvoltage
toolow
PVgeneratorvoltage
between100Vand170V.
-Insufcientinsolation.
-Checkthesolarcellvoltageviathe
displayintheNmenu.
green:<ashes>
red:<off>
yellow:<off>
Synchronize
toAC
Checksmainsvoltageand
mainsfrequencyformains
inputmode.
-Normalfunctionbeforeinputmode.
green:<on>
red:<off>
yellow:<ashes>
Varistor
warning
InternalvaristorattheDC
inputisdefective.
-Althoughyoucan,intheory,carryon
usingthesolarinverter,thevaristors
shouldbereplacedattheearliestoppor
tunity.Thiswillinvolvereturningthe
device.
Pleasefollowtheinstructionsabovebeforecontactingyourservicetechnician!