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

CPS SCA50-100K-T Protect0250

Code: Protect0250
Shown as: Grid Volt Unbalance Abn
Vendor severity: Protection
Page: 136
ID: fc:chint-sca-50-100k-t-protect250
IRI: https://solarlattice.org/kb/fc/chint-sca-50-100k-t-protect250
Status: active
Also known as: Protect0250, protect250, CPS Protect0250, Grid Volt Unbalance Abn
Category: Inverters

Class fault drafted · lead

Production not stated

Clears not stated

Decoded

Reports phase imbalance; do: AC connection check, contact manufacturer service.

What can be behind Phase imbalance

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 136 drafted · lead
- tbl=54.r2 h=088e1c8952e5

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

Same condition on other equipment

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=54.r2 h=088e1c8952e5

`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=54.r2 h=088e1c8952e5

`reports`

c3 drafted · lead Phase imbalance

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=54.r2 h=088e1c8952e5

review note: support check: partial - Grid Voltage Unbalance corresponds to phase imbalance, but this is a loose mapping.

`mitigated_by`

c4 drafted · lead AC connection check

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=54.r2 h=088e1c8952e5

c5 drafted · lead Contact manufacturer service

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=54.r2 h=088e1c8952e5

`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=54.r2 h=088e1c8952e5

Data