Installation Guide

Appendix F: Inverter Arc Detection and
Interruption
Thearcdetectionoptionmaybedisabledbydefault.ItmustbeenabledwhenUL1699B
complianceisrequired.Whenenabled,theinverterperformsanautomaticself-testforarc
faulteachtimetheinverterwakes-uporisswitchedON.
To enable/disable arc detection:
1. UsetheLCDlightbuttontoenterSetupmode(refertoConfiguring the Inverter Using the
LCD Light Buttononpage55).
2. Short-presstheLCDlightbuttontoreachtheMaintenance menu.
3. SelectAFCI èEnable orDisable.
To manually test the arc detection functionality:
1. MakesuretheinverterON/OFFswitchisturnedON.
2. UsetheLCDlightbuttontoselectMaintenance èManual AFCI Test.
l Ifthetestissuccessful,thefollowingmessageisdisplayed:
M a n u a l T e s t P A S S
Theinverterproductionistheninterrupted(asifarealarcdetectionhasoccurred),
andthefollowingerrormessageisdisplayed(numberedeither150or151):
E r r o r 1 5 1
A r c F a u l t D e t e c t e d
Performmanualrestarttoresumesystemoperation:TurntheinverterON/OFFswitch
toOFFandthentoON.Theinverterperformsanarcdetectionself-testandstarts
normaloperation.
l Ifthetestfails,contactSolarEdgesupport.
To troubleshoot arc-fault failures:
Theinvertercontinuouslyperformsarcdetectionwhileproducingpower.Ifanelectricarc
occurredinthePVsystem,theinverterdetectsitandstopsproducingpower.Thefollowing
errormessageisdisplayed(numberedeither150or151):
E r r o r 1 5 1
A r c F a u l t D e t e c t e d
Appendix F: Inverter Arc Detection and Interruption
SolarEdge-Installation Guide MAN-01-00002-4.0
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