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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).

Delta Solivia 2.5 User Manual

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