Solar Lattice

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

CPS SCA50-100K-T Protect0270

Code: Protect0270
Shown as: Inv Curr Unbalance Abn
Vendor severity: Protection
Page: 136
ID: fc:chint-sca-50-100k-t-protect270
IRI: https://solarlattice.org/kb/fc/chint-sca-50-100k-t-protect270
Status: active
Also known as: Protect0270, protect270, CPS Protect0270, Inv Curr Unbalance Abn
Category: Inverters

Class fault drafted · lead

Production not stated

Clears by itself drafted · lead

Decoded

Reports phase imbalance; do: inverter restart, 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.r3 h=2bf2a273c8a9

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.r3 h=2bf2a273c8a9

`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.r3 h=2bf2a273c8a9

`reports`

c3 drafted · lead Phase imbalance

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=54.r3 h=2bf2a273c8a9

`has_recovery`

c4 drafted · lead Auto-reset (clears by itself)

Observe first; then restart; persistent case needs service.

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=54.r3 h=2bf2a273c8a9

`mitigated_by`

c5 drafted · lead Inverter restart

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=54.r3 h=2bf2a273c8a9

c6 drafted · lead Contact manufacturer service

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=54.r3 h=2bf2a273c8a9

`applies_to`

c7 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.r3 h=2bf2a273c8a9

Data