c1 drafted · lead CSI Installation Manual 50-66K T480GL01-UB LSW USA V1.1
- CSI Installation Manual 50-66K T480GL01-UB LSW USA V1.1
tbl=14.r4h=7ee4aa6d1521
Fault codes › Canadian Solar › CSI-50/60/66K-T480GL01-UB
Reports low insulation resistance; look at DC cable, PV array; confirm with insulation resistance testing, fault localization; do: DC wiring check, inverter replacement.
Failure modes that present as the reported condition, and the tests that tell them apart.
tbl=14.r4 h=7ee4aa6d1521The manufacturer's own cause and corrective text is not reproduced here.
defined_inc1 drafted · lead CSI Installation Manual 50-66K T480GL01-UB LSW USA V1.1
tbl=14.r4 h=7ee4aa6d1521reportsc2 drafted · lead Low insulation resistance
tbl=12.r4 h=7ee4aa6d1521tbl=14.r4 h=7ee4aa6d1521tbl=10.r3 h=7ee4aa6d1521tbl=11.r4 h=88d1079d14c4tbl=13.r4 h=94307fcd8bf8affectstbl=12.r4 h=7ee4aa6d1521tbl=14.r4 h=7ee4aa6d1521tbl=10.r3 h=7ee4aa6d1521tbl=11.r4 h=88d1079d14c4tbl=13.r4 h=94307fcd8bf8review note: support check: partial - Passage says to identify which string causes the isolation fault, implying PV strings, but the PV array isn't named.
detected_byc5 drafted · lead Insulation resistance testing
Repeat measurement under the same weather conditions as the alarm if first result is normal.
tbl=12.r4 h=7ee4aa6d1521tbl=14.r4 h=7ee4aa6d1521tbl=10.r3 h=7ee4aa6d1521tbl=11.r4 h=88d1079d14c4tbl=13.r4 h=94307fcd8bf8c6 drafted · lead Fault localization
tbl=13.r4 h=94307fcd8bf8mitigated_byc7 drafted · lead DC wiring check
tbl=12.r4 h=7ee4aa6d1521tbl=14.r4 h=7ee4aa6d1521tbl=10.r3 h=7ee4aa6d1521tbl=11.r4 h=88d1079d14c4tbl=13.r4 h=94307fcd8bf8c8 drafted · lead Inverter replacement
Last step when insulation and cables are found normal.
tbl=12.r4 h=7ee4aa6d1521tbl=14.r4 h=7ee4aa6d1521tbl=10.r3 h=7ee4aa6d1521applies_toc9 drafted · lead CSI-50/60/66K-T480GL01-UB
tbl=14.r4 h=7ee4aa6d1521