c1 drafted · lead CPS SCH350KTL-DO-US-800 User Manual Rev 2.2
- CPS SCH350KTL-DO-US-800 User Manual Rev 2.2
tbl=34.r10h=1e434493c756
Fault codes › CPS › CPS SCH350KTL-DO/US-800
CPS SCH350KTL Protect0070
Production
not stated
Clears
not stated
Decoded
Reports neutral point voltage imbalance; do: inverter parameter adjustment, inverter replacement.
What can be behind Neutral point voltage imbalance
Failure modes that present as the reported condition, and the tests that tell them apart.
Defined in
- CPS SCH350KTL-DO-US-800 User Manual Rev 2.2 — CPS (Chint Power Systems) · page 95 drafted · lead
tbl=34.r10h=1e434493c756
The manufacturer's own cause and corrective text is not reproduced here.
Same condition on other equipment
Same code in other families
- CPS SCA25KTL-208 Protect0070
- CPS SCA25KTL-480 Protect0070
- CPS SCA36KTL Protect0070
- CPS SCA50-100K-T Protect0070
- CPS SCA50-60KTL Protect0070
- CPS SCH100-125KTL Protect0070
- CPS SCH125KTL-AIO Protect0070
- CPS SCH275KTL Protect0070
Claims
defined_in
has_event_class
c2 drafted · lead Fault (device stops or needs intervention)
from the code prefix
- CPS SCH350KTL-DO-US-800 User Manual Rev 2.2
tbl=34.r10h=1e434493c756
reports
c3 drafted · lead Neutral point voltage imbalance
Bus imbalance, linked to grid phase impedance and voltage imbalance
- CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9
tbl=36.r2h=d9c627238336 - CPS SCA25KTL-DO-US-208 User Manual Rev 1.2
tbl=50.r2h=14073738a6a6 - CPS 25kW User Manual Rev 2.1
tbl=56.r7h=5a995483cf94 - CPS SCH125KTL-AIO-US-600 Sep 2020
tbl=31.r2h=f5d9bb942146 - CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7
tbl=26.r8h=e9adaf6de0e7 - CPS SCH350KTL-DO-US-800 User Manual Rev 2.2
tbl=34.r10h=1e434493c756
review note: support check: partial - Protect0070 is bus imbalance tied to grid phase impedance and voltage imbalance, but 'neutral point' is not stated.
mitigated_by
c4 drafted · lead Inverter parameter adjustment
Raise DC injection limit parameter to tolerate transients
- CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9
tbl=36.r2h=d9c627238336 - CPS SCA25KTL-DO-US-208 User Manual Rev 1.2
tbl=50.r2h=14073738a6a6 - CPS 25kW User Manual Rev 2.1
tbl=56.r7h=5a995483cf94 - CPS SCH125KTL-AIO-US-600 Sep 2020
tbl=31.r2h=f5d9bb942146 - CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7
tbl=26.r8h=e9adaf6de0e7 - CPS SCH350KTL-DO-US-800 User Manual Rev 2.2
tbl=34.r10h=1e434493c756
c5 drafted · lead Inverter replacement
Only if fault persists after parameter adjustment
- CPS SCA25KTL-DO-US-208 User Manual Rev 1.2
tbl=50.r2h=14073738a6a6 - CPS 25kW User Manual Rev 2.1
tbl=56.r7h=5a995483cf94 - CPS SCH125KTL-AIO-US-600 Sep 2020
tbl=31.r2h=f5d9bb942146 - CPS SCH350KTL-DO-US-800 User Manual Rev 2.2
tbl=34.r10h=1e434493c756
applies_to
c6 drafted · lead CPS SCH350KTL-DO/US-800
- CPS SCH350KTL-DO-US-800 User Manual Rev 2.2
tbl=34.r10h=1e434493c756