c1 drafted · lead SBSExx-US-50-BE-en-11
- SBSExx-US-50-BE-en-11
sec=11.1.75h=7564469d0705 - SBSExx-US-50-BE-en-11
sec=h786h=5c402507d020
Fault codes › SMA › Sunny Boy Smart Energy 3.8-11.5-US (SBSEx.x-US-50)
Reports communication loss; do: communication cable check, grounding conductor check, battery connection check.
Failure modes that present as the reported condition, and the tests that tell them apart.
| Tell apart | By | How |
|---|---|---|
| Device firmware defect vs Monitoring network configuration fault drafted · lead | Communication test proposed | Switch the Modbus TCP server parameter off and back on. If communication returns, the problem is limited to Modbus TCP. If it stays down, check the network cabling and RJ45 connections. |
sec=11.1.75 h=7564469d0705sec=h786 h=5c402507d020The manufacturer's own cause and corrective text is not reproduced here.
defined_inc1 drafted · lead SBSExx-US-50-BE-en-11
sec=11.1.75 h=7564469d0705sec=h786 h=5c402507d020reportsc2 drafted · lead Communication loss
Communication error between inverter and battery system.
sec=h786 h=5c402507d020sec=h787 h=72df990bf2f5mitigated_byc3 drafted · lead Communication cable check
sec=h788 h=72f0b07cd570c4 drafted · lead Grounding conductor check
sec=h788 h=72f0b07cd570c5 drafted · lead Battery connection check
sec=h788 h=72f0b07cd570review note: support check: partial - Battery switched on and cable checks are present, but a 'battery connection check' is only loosely implied via communication cable…
applies_toc6 drafted · lead Sunny Boy Smart Energy US-50
sec=11.1.75 h=7564469d0705sec=h786 h=5c402507d020