P400 Installation

Ifthismessageisdisplayed:
1. TurntheinverterON/OFFswitchtoOFF.
2. CheckallPVstringsforthecorrectopen-circuitvoltage:
l Inspectallconnectionsandcablesbetweenthepoweroptimizersinthestrings:
Verifytheyareconnectedproperlybyfirmlypushingtheplugsandverifyingthe
connectorsarelocked.
l InspectallconnectionsandcablesbetweenthePVmodulesandthepower
optimizers:Verifytheyareconnectedproperlybyfirmlypushingtheplugsand
verifyingtheconnectorsarelocked.
l VerifythatthestringsarefirmlyattachedtotheSafetySwitchterminalblocks.
3. Performmanualrestarttoresumesystemoperation:TurntheinverterON/OFFswitchto
OFFandthenON.Theinverterperformsanarcdetectionself-testandstartsnormal
operation.
To troubleshoot self-test failures:
Iftheself-testfails,theinverterdisplaysanerrormessageindicatingthatthearcdetector
hardwarefailedduringwake-uptests:
E r r o r 1 5 2
A F C I
s e l f - t e s t f a i l e d
Theinvertertransmitsanerrormessagetothemonitoringportal,andcontinuouslyrepeats
thearcdetectionself-testuntilitissuccessful.
Iftheproblempersists,contactSolarEdgesupport.
SolarEdge-Installation Guide MAN-01-00002-4.0
124
Appendix F: Inverter Arc Detection and Interruption