c1 drafted · lead STP33-62-US-41-BA-en-13
- STP33-62-US-41-BA-en-13
tbl=21.r9h=9888d3b90b8b
Fault codes › SMA › Sunny Tripower CORE1-US (STP 33/50/62-US-41)
Reports communication loss; look at energy meter; do: network 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. |
tbl=21.r9 h=9888d3b90b8btbl=10.r9 h=9888d3b90b8btbl=22.r9 h=9888d3b90b8bThe manufacturer's own cause and corrective text is not reproduced here.
defined_inc1 drafted · lead STP33-62-US-41-BA-en-13
tbl=21.r9 h=9888d3b90b8bc2 drafted · lead STP33-62-US-41 ops manual
tbl=10.r9 h=9888d3b90b8bc3 drafted · lead STP33-62-US-41-BA-en-14
tbl=22.r9 h=9888d3b90b8breportsc4 verified · fact Communication loss
Inverter receives no data from the energy meter.
tbl=21.r9 h=9888d3b90b8btbl=10.r9 h=9888d3b90b8btbl=22.r9 h=9888d3b90b8bsec=h235 h=881ad6c197f7sec=h397 h=675e88e1fcfdsec=h401 h=675e88e1fcfdverified by: review-workflowverified on: 2026-10-20
affectsc5 drafted · lead Energy meter
tbl=21.r9 h=9888d3b90b8btbl=10.r9 h=9888d3b90b8btbl=22.r9 h=9888d3b90b8bsec=h235 h=881ad6c197f7sec=h397 h=675e88e1fcfdsec=h401 h=675e88e1fcfdmitigated_byc6 drafted · lead Network connection check
Meter must be on the same network; for Wi-Fi, improve link quality or use Ethernet.
tbl=21.r9 h=9888d3b90b8btbl=10.r9 h=9888d3b90b8btbl=22.r9 h=9888d3b90b8bsec=h398 h=1429c43b5943sec=h402 h=1429c43b5943applies_toc7 drafted · lead Sunny Tripower CORE1-US
tbl=21.r9 h=9888d3b90b8btbl=10.r9 h=9888d3b90b8btbl=22.r9 h=9888d3b90b8b