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Fault codes › CPS › CPS SCA100K-T-US-480 / SCA50K-T-US-208

CPS SCA50-100K-T Protect0170

Code: Protect0170
Shown as: DCI Curr Offset Abn
Vendor severity: Protection
Page: 134
ID: fc:chint-sca-50-100k-t-protect170
IRI: https://solarlattice.org/kb/fc/chint-sca-50-100k-t-protect170
Status: active
Also known as: Protect0170, protect170, CPS Protect0170, DCI Curr Offset Abn
Category: Inverters

Class fault drafted · lead

Production not stated

Clears not stated

Decoded

Reports high DC injection; do: inverter parameter adjustment, inverter replacement.

What can be behind High DC injection

Failure modes that present as the reported condition, and the tests that tell them apart.

Defined in

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 — CPS (Chint Power Systems) · page 134 drafted · lead
- tbl=52.r1 h=78a268a209e5

The manufacturer's own cause and corrective text is not reproduced here.

Same condition on other equipment

ABB / FIMER: ABB / FIMER PVS-166-175-TL E023, ABB / FIMER PVS-60-TL E023, ABB / FIMER TRIO-20.0-27.6-TL E023, ABB / FIMER UNO-DM-3.3-5.0-PLUS E023, ABB / FIMER UNO-DM-6.0-PLUS E023
CPS: CPS SCA25KTL-208 Protect0170, CPS SCA25KTL-480 Protect0170, CPS SCA36KTL Protect0170, CPS SCA50-60KTL Protect0170, CPS SCH100-125KTL Protect0170, CPS SCH125KTL-AIO Protect0170, CPS SCH200-250K-T Protect0170, CPS SCH275KTL Protect0170, CPS SCH350KTL Protect0170
Canadian Solar: Canadian Solar 185-255K DCinj-FAULT
Fronius: Fronius Galvo 408, Fronius Primo 408, Fronius Symo 408
Huawei: Huawei SUN2000-100KTL-USH0 2040, Huawei SUN2000-25-30KTL-US 202, Huawei SUN2000-45KTL-US-HV-D0 202
KACO new energy: KACO new energy blueplanet TL3 33
SMA: SMA SB-US-40 601, SMA SB-US-41 601, SMA SBSE-US-50 601, SMA PEAK3-US 601, SMA CORE1-US 601, SMA STP-TL-US 601, SMA STP-X-US 601
Schneider Electric: Schneider Electric CL125 011
Solis: Solis 3P-5G-US DCInj-Fault, Solis RHI-1P-HV DCInj-Fault, Solis S6-EH1P DCInj-Fault, Solis S6-EH2P DCInj-Fault, Solis S6-EH3P30-60K DCInj-Fault, Solis S6-EH3P75-150K DCInj-Fault, Solis S6-GC DCInj-Fault, Solis S6-GU DCInj-Fault
Yaskawa Solectria: Yaskawa Solectria PVI-25TL-R Protect0170

Same code in other families

Claims

`defined_in`

c1 drafted · lead CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=52.r1 h=78a268a209e5

`has_event_class`

c2 drafted · lead Fault (device stops or needs intervention)

from the code prefix

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=52.r1 h=78a268a209e5

`reports`

c3 drafted · lead High DC injection

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=36.r3 h=ecbfae44be5b
CPS SCA25KTL-DO-US-208 User Manual Rev 1.2 tbl=50.r9 h=60cc9ff28b0b
CPS 25kW User Manual Rev 2.1 tbl=57.r7 h=f967b5cd7f6b
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=32.r1 h=0df5fe60a8a2
CPS SCH350KTL-DO-US-800 User Manual Rev 2.2 tbl=34.r11 h=a729b3df833e
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=26.r9 h=50ed835a5c2d

`mitigated_by`

c4 drafted · lead Inverter parameter adjustment

Raising the DCI limit is the first step; replacement if fault persists.

CPS SCA25KTL-DO-US-208 User Manual Rev 1.2 tbl=50.r9 h=60cc9ff28b0b
CPS 25kW User Manual Rev 2.1 tbl=57.r7 h=f967b5cd7f6b
CPS 25kW User Manual Rev 2.1 tbl=58.r1 h=ba925540d1fd
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=32.r1 h=0df5fe60a8a2
CPS SCH350KTL-DO-US-800 User Manual Rev 2.2 tbl=34.r11 h=a729b3df833e

c5 drafted · lead Inverter replacement

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=36.r3 h=ecbfae44be5b
CPS SCA25KTL-DO-US-208 User Manual Rev 1.2 tbl=50.r10 h=71093fbc487a
CPS 25kW User Manual Rev 2.1 tbl=58.r1 h=ba925540d1fd
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=32.r1 h=0df5fe60a8a2
CPS SCH350KTL-DO-US-800 User Manual Rev 2.2 tbl=34.r11 h=a729b3df833e
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=26.r9 h=50ed835a5c2d

`applies_to`

c6 drafted · lead CPS SCA100K-T-US-480 / SCA50K-T-US-208

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=52.r1 h=78a268a209e5

Data