c1 drafted · lead CPS SCH350KTL-DO-US-800 User Manual Rev 2.2
- CPS SCH350KTL-DO-US-800 User Manual Rev 2.2
tbl=36.r6h=57ffb0fe11e4
Fault codes › CPS › CPS SCH350KTL-DO/US-800
Reports neutral point voltage imbalance; do: inverter parameter adjustment, inverter replacement.
Failure modes that present as the reported condition, and the tests that tell them apart.
tbl=36.r6 h=57ffb0fe11e4The manufacturer's own cause and corrective text is not reproduced here.
defined_inc1 drafted · lead CPS SCH350KTL-DO-US-800 User Manual Rev 2.2
tbl=36.r6 h=57ffb0fe11e4has_event_classc2 drafted · lead Fault (device stops or needs intervention)
from the code prefix
tbl=36.r6 h=57ffb0fe11e4reportsc3 drafted · lead Neutral point voltage imbalance
tbl=54.r1 h=4a6b01017499tbl=61.r2 h=5b3c27fda620tbl=39.r1 h=df66a452b082tbl=34.r2 h=9f90ca4fa5eatbl=29.r6 h=df66a452b082tbl=36.r6 h=57ffb0fe11e4review note: review: partial - The cited rows name the fault 'bus imbalance' and mention impedance and voltage imbalance between grid phases, but none of them say…
mitigated_byc4 verified · fact Inverter parameter adjustment
Raise the DC injection limit to tolerate grid phase imbalance.
tbl=54.r1 h=4a6b01017499tbl=61.r2 h=5b3c27fda620tbl=39.r1 h=df66a452b082tbl=34.r2 h=9f90ca4fa5eatbl=29.r6 h=df66a452b082tbl=36.r6 h=57ffb0fe11e4verified by: review-workflowverified on: 2026-10-23
c5 drafted · lead Inverter replacement
Only if the fault persists after the parameter adjustment.
tbl=54.r1 h=4a6b01017499tbl=61.r2 h=5b3c27fda620tbl=39.r1 h=df66a452b082tbl=34.r2 h=9f90ca4fa5eatbl=29.r6 h=df66a452b082tbl=36.r6 h=57ffb0fe11e4applies_toc6 drafted · lead CPS SCH350KTL-DO/US-800
tbl=36.r6 h=57ffb0fe11e4