Installation Guide

Troubleshooting RS485 Communication
1. IfthemessageMaster Not Foundappears,checktheconnectionstothemasterdeviceandfixif
required.
2.
IfafterslavedetectionthenumberofslavesdisplayedinthemasterunderRS485-X ConfèSlave
Detectissmallerthantheactualnumberofslaves,useoneofthefollowingmethodstoidentify
missingslavesandtroubleshootconnectivityproblems:
l
UsetheLong slave Detecttoretryconnectingtoslaves
l AnalyzetheSlave Listtocheckformissingslaves,andchecktheirconnection
Refertohttps://www.solaredge.us/sites/default/files/troubleshooting_
undetected_RS485_devices.pdf
Additional Troubleshooting
1. Checkthatthemodemorhub/routerisfunctioningproperly.
2. Checkthattheconnectiontotheinternalconnectoronthecommunicationboardisproperlydone.
3. Checkthattheselectedcommunicationoptionisproperlyconfigured.
4. UseamethodindependentoftheSolarEdgedevicetocheckwhetherthenetworkandmodemare
operatingproperly.Forexample,connectalaptoptotheEthernetrouterandconnecttothe
Internet.
5. Checkwhetherafirewalloranothertypeofnetworkfilterisblockingcommunication.
Error Codes
Theerrormessagesincludeanerrornumber(infirmwareversion3.18xxandbefore)oracode(in
Firmwareversion3.19xxandabove)andadescription:
E r r o r C o d e X X X
( 3 x D 2 )
E r r o r C o d e 3 x D 2
< L i n e 1 >
< L i n e 2 >
XXX:Theerrornumber(firmwareversion3.18xxandbefore).
(#-X#):Acodeindicatingthesourceoferrorandtheerrorinformation(firmware
version3.19xxandlater).
Line 1-2:Errordescription
Theerrornumbers/codesmaydifferdependingontheinvertertypeasdescribedinthetablebelow.For
troubleshootingerrorsthatarenotlisted,contactSolarEdgesupport.
MakesuretohavethisinformationathandwhencontactingSolarEdgeSupportforadvanced
troubleshooting.

Appendix A: Errors and Troubleshooting
Single Phase Inverter with HD-Wave Technology Installation MAN-01-00306-1.1
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