c1 drafted · lead STP33-62-US-41-BA-en-13
- STP33-62-US-41-BA-en-13
sec=h247h=6787877dfdb6 - STP33-62-US-41-BA-en-13
sec=h248h=2ab8e611c91f
Fault codes › SMA › Sunny Tripower CORE1-US (STP 33/50/62-US-41)
Reports high DC injection; confirm with grid DC component measurement; do: utility company consultation, inverter parameter adjustment.
Failure modes that present as the reported condition, and the tests that tell them apart.
sec=h247 h=6787877dfdb6sec=h248 h=2ab8e611c91fsec=h164 h=6787877dfdb6sec=h165 h=2ab8e611c91fsec=h249 h=6787877dfdb6sec=h250 h=2ab8e611c91fThe manufacturer's own cause and corrective text is not reproduced here.
defined_inc1 drafted · lead STP33-62-US-41-BA-en-13
sec=h247 h=6787877dfdb6sec=h248 h=2ab8e611c91fc2 drafted · lead STP33-62-US-41 ops manual
sec=h164 h=6787877dfdb6sec=h165 h=2ab8e611c91fc3 drafted · lead STP33-62-US-41-BA-en-14
sec=h249 h=6787877dfdb6sec=h250 h=2ab8e611c91freportsc4 drafted · lead High DC injection
sec=h165 h=2ab8e611c91fsec=h185 h=493f3196f5e0tbl=14.r1 h=c395530b0b12sec=h237 h=bdf5d0cb813csec=h489 h=bdf5d0cb813csec=h423 h=bdf5d0cb813csec=h300 h=bdf5d0cb813cdetected_byc5 drafted · lead Grid DC component measurement
sec=h249 h=f7988acc8abfsec=h166 h=f7988acc8abfsec=h251 h=f7988acc8abfsec=h186 h=f7988acc8abftbl=14.r1 h=c395530b0b12sec=h490 h=f7988acc8abfsec=h424 h=f7988acc8abfsec=h301 h=f7988acc8abfreview note: support check: partial - Inverter detects DC in grid current, but no explicit measurement method is stated; monitoring threshold implies it.
mitigated_byc6 drafted · lead Utility company consultation
When the message appears frequently.
sec=h249 h=f7988acc8abfsec=h166 h=f7988acc8abfsec=h251 h=f7988acc8abfsec=h186 h=f7988acc8abftbl=14.r1 h=c395530b0b12sec=h490 h=f7988acc8abfsec=h424 h=f7988acc8abfsec=h301 h=f7988acc8abfc7 drafted · lead Inverter parameter adjustment
Raising the monitoring threshold, if the grid operator agrees.
sec=h249 h=f7988acc8abfsec=h166 h=f7988acc8abfsec=h251 h=f7988acc8abfsec=h186 h=f7988acc8abfsec=h490 h=f7988acc8abfsec=h424 h=f7988acc8abfsec=h301 h=f7988acc8abfapplies_toc8 drafted · lead Sunny Tripower CORE1-US
sec=h247 h=6787877dfdb6sec=h248 h=2ab8e611c91fsec=h164 h=6787877dfdb6sec=h165 h=2ab8e611c91fsec=h249 h=6787877dfdb6sec=h250 h=2ab8e611c91f