P400 Installation


Troubleshooting RS485 Communication
1. IfthemessageMaster Not Foundappears,themasterdeviceisnotresponsiveorthe
RS485cableisnotconnected.Checktheconnectionstothemasterdeviceandfixif
required.
2. Ifafterslavedetectionthenumberofslavesreportedinthemasterissmallerthanthe
actualnumberofslaves,youcanusetheslavelist
1
toidentifymissingslavesand
troubleshootconnectivityproblems,asdescribedbelow.
To show the slave list on the master device:
1. Afterslavedetection,ifslavesweredetected,anadditionalmenuisdisplayedinthe
RS485-XConf.menu:Slave List.
Ifthenumberofdetectedslavesdoesnotmatchthenumberofslavesconnectedtothe
master,usetheslavelisttocheckformissingslaves,andchecktheirconnection.
D e v i c e T y p e < S E >
P r o t o c o l < M >
D e v i c e I D < 1 >
S l a v e D e t e c t < # >
S l a v e L i s t < # >
2. SelectSlave List.Alistshowingserialnumbersofthedetectedslavesisdisplayed.For
example:
5 0 0 0 F E 0 1 - 4 F
5 0 0 0 F E 0 2 - 5 0
.
.
1
Available from CPU version 3.14xx and later.
Appendix A: Errors and Troubleshooting
SolarEdge-Installation Guide MAN-01-00002-4.0
85