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

CPS SCA50-100K-T Protect0200

Code: Protect0200
Shown as: GFCI High
Vendor severity: Protection
Page: 135
ID: fc:chint-sca-50-100k-t-protect200
IRI: https://solarlattice.org/kb/fc/chint-sca-50-100k-t-protect200
Status: active
Also known as: Protect0200, protect200, CPS Protect0200, GFCI High
Category: Inverters

Class fault drafted · lead

Production not stated

Clears not stated

Decoded

Reports ground fault alarm or trip; look at PV array, DC cable; confirm with fault localization; do: DC wiring check, contact manufacturer service.

What can be behind Ground fault alarm or trip

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

Backsheet Cracking drafted · lead
Cable Defect verified · fact
Connector Defect drafted · lead
Glass Breakage drafted · lead
Grounding fuse failure verified · fact
Loss of electrical insulation drafted · lead

Defined in

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 — CPS (Chint Power Systems) · page 135 drafted · lead
- tbl=53.r1 h=55efd0328d91

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 E018, ABB / FIMER PVS-60-TL E018, ABB / FIMER TRIO-20.0-27.6-TL E018, ABB / FIMER UNO-DM-3.3-5.0-PLUS E018, ABB / FIMER UNO-DM-6.0-PLUS E018
CPS: CPS SCA50-100K-T PFault0040
Enphase: Enphase M215-M250 GFI Tripped
Fronius: Fronius Galvo 475, Fronius Primo 475, Fronius Symo 475
Huawei: Huawei SUN2000-100KTL-USH0 2031
SMA: SMA SB-US-40 3501, SMA SB-US-40 3601, SMA SB-US-40 3701, SMA SB-US-41 3501, SMA SB-US-41 3601, SMA SB-US-41 3701, SMA SBSE-US-50 3501, SMA SBSE-US-50 3601, SMA SBSE-US-50 3701, SMA PEAK3-US 3501, SMA PEAK3-US 3601, SMA PEAK3-US 3701, SMA CORE1-US 3501, SMA CORE1-US 3701, SMA STP-TL-US 3501, SMA STP-TL-US 3601, SMA STP-TL-US 3701, SMA STP-X-US 3501, SMA STP-X-US 3601, SMA STP-X-US 3701, SMA SC-CP-XT 3501, SMA SC-CP-XT 3502, SMA SC-CP-XT 3507, SMA SC-CP-XT 3512, SMA SC-CP-XT 3515, SMA SC-CP-XT 3601, SMA SC-CP-XT 6487
Schneider Electric: Schneider Electric CL125 033
Solis: Solis S6-EH2P PV ISO-PRO01, Solis S6-EH2P PV ISO-PRO02, Solis S6-EH3P30-60K PV ISO-PRO01, Solis S6-EH3P30-60K PV ISO-PRO02, Solis S6-EH3P75-150K PV ISO-PRO01, Solis S6-EH3P75-150K PV ISO-PRO02
Sungrow: Sungrow SG200HX 1600-1615, Sungrow SG200HX 1632-1655, Sungrow SG250HX 1600-1615, Sungrow SG250HX 1632-1655, Sungrow SG350HX 1600-1615, Sungrow SG350HX 1632-1655
Yaskawa Solectria: Yaskawa Solectria SGI-XTM DC GND Fault, Yaskawa Solectria SGI-XTM RCM Fault, Yaskawa Solectria XGI-1500-1MW CRIT-7, Yaskawa Solectria XGI-1500 CRIT-7, Yaskawa Solectria XGI-1500-DCG CRIT-7

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=53.r1 h=55efd0328d91

`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=53.r1 h=55efd0328d91

`reports`

c3 verified · fact Ground fault alarm or trip

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=53.r1 h=55efd0328d91

verified by: review-workflowverified on: 2026-10-23

`affects`

c4 drafted · lead PV array

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=53.r1 h=55efd0328d91

c5 drafted · lead DC cable

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=53.r1 h=55efd0328d91

review note: support check: partial - The procedure traces the faulted string's wiring, which implies the DC cabling, but cables aren't named explicitly.

`detected_by`

c6 drafted · lead Fault localization

Reconnect strings one at a time to find the string that leaks to ground.

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=53.r1 h=55efd0328d91

`mitigated_by`

c7 drafted · lead DC wiring check

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=53.r1 h=55efd0328d91

c8 drafted · lead Contact manufacturer service

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=53.r1 h=55efd0328d91

`applies_to`

c9 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=53.r1 h=55efd0328d91

Data