c1 drafted · lead CSI Installation Manual CSI-125KTL-GS-E USA V1.3
- CSI Installation Manual CSI-125KTL-GS-E USA V1.3
tbl=10.r2h=3fc18463c15a
Fault codes › Canadian Solar › CSI-125KTL-GS-E
Reports grid loss; look at AC disconnection unit; confirm with grid voltage measurement; do: AC connection check, inverter replacement.
Failure modes that present as the reported condition, and the tests that tell them apart.
tbl=10.r2 h=3fc18463c15aThe manufacturer's own cause and corrective text is not reproduced here.
defined_inc1 drafted · lead CSI Installation Manual CSI-125KTL-GS-E USA V1.3
tbl=10.r2 h=3fc18463c15areportstbl=7.r2 h=1a921f991bcbtbl=8.r2 h=1a921f991bcbtbl=11.r2 h=1c69098ac91ftbl=13.r2 h=1c69098ac91ftbl=10.r2 h=3fc18463c15atbl=12.r8 h=f67662fb123bverified by: review-workflowverified on: 2026-10-23
detected_byc3 drafted · lead Grid voltage measurement
tbl=7.r2 h=1a921f991bcbtbl=8.r2 h=1a921f991bcbtbl=11.r2 h=1c69098ac91ftbl=13.r2 h=1c69098ac91ftbl=10.r2 h=3fc18463c15atbl=12.r8 h=f67662fb123bmitigated_byc4 verified · fact AC connection check
tbl=12.r8 h=f67662fb123bverified by: review-workflowverified on: 2026-10-23
c6 drafted · lead Inverter replacement
Escalation when grid is present but measurement circuit is suspected.
tbl=7.r2 h=1a921f991bcbtbl=8.r2 h=1a921f991bcbtbl=11.r2 h=1c69098ac91ftbl=13.r2 h=1c69098ac91ftbl=10.r2 h=3fc18463c15aaffectsc5 drafted · lead AC disconnection unit
tbl=12.r8 h=f67662fb123breview note: support check: partial - Passage mentions checking the grid switch but does not state the alarm affects an AC disconnection unit.
applies_toc7 drafted · lead CSI-125KTL-GS-E
tbl=10.r2 h=3fc18463c15a