Delta Solivia 2.5 - Page 22

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Therstlineshowsthelimitsaccordingthestandard.Thesecondlineshowstheactualmeasured
gridfrequencyandtheteststatus,positive(pass)ornegative(fail).Pressingthetestisconrmed
andtheauto-testroutinecontinue.Ifnoispressed,theresultisshownfor1minute.Afterthis
time,theresultisconrmedautomatically.
Ifhasbeenpressedthedisplayshows,forexample:
L: 49.70 Hz LFT
A: 49.99 Hz RUN
Thelimit“L:”willincreasetillcrossingtheactualmeasuredgridfrequency“A:”.Reachedthiscondi-
tiontheinverterdisconnectsfromgridandthedisplayshows,forexample:
L: 49.99 Hz 0.044 S
A: 49.99 Hz LF pass
Ifthetestisconrmed,theauto-testroutineisnished.Thedisplayshows,forexample:
Autotest Passed
Esc to continue
Firstlineshowstheactualauto-teststatus.Ifallthesingletestarepassedandconrmed,theactual
auto-teststatuswillbepassed.Pressing“ESC”thedisplaygoesbacktothemainmenu.
Iftheactualauto-teststatusisfailed,pressing“ESC”thedisplaygoesbacktothemainmenuand
theinverterisinerrorcondition.Thedisplayshows“AUTOTESTFAILED”.Iftheactualstatusis
failedit’spossibletorestarttheauto-testroutine.Iftheauto-testpermanentlyfailspleasecontact
thecustomerservice.
Ifduringtheauto-testisperformedanygridorinvertererrorsoccurs,theauto-testroutineisaborted
andthedisplayshowstheactualfailedauto-teststatus.Theinverterresetandperformarestartif
thepreviousstatuswaspassed.
Theauto-testcanbestartedonlyiftheinverterisinnormaloperatingconditions.Itisnotpossible
toentrytheauto-testroutineifthegridisnotinthedenedtolerances,ifanyinternalinvertererror
occursorthesolarplandonotrespectthespecications.
Arestartoftheinverterwillbedoneaftertheauto-test,whentheresultofthecurrentauto-testis
differentfromtheresultfromtheauto-testbefore.
Whiletheauto-testroutineisongoing,greenLEDisashing,theredshowsisolationmeasurement
statusandtheyellowshowsthestatusoflastauto-test(yellowon:lastauto-testwasfailed;yellow
off:lastauto-testwasok).