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

CPS SCA50-100K-T Protect0790

Code: Protect0790
Shown as: Zero-to-ground voltage anomaly protection
Vendor severity: Protection
Page: 141
ID: fc:chint-sca-50-100k-t-protect790
IRI: https://solarlattice.org/kb/fc/chint-sca-50-100k-t-protect790
Status: active
Also known as: Protect0790, protect790, CPS Protect0790, Zero-to-ground voltage anomaly protection
Category: Inverters

Class fault drafted · lead

Production not stated

Clears not stated

Decoded

Reports abnormal neutral-to-ground voltage; do: AC connection check, contact manufacturer service.

What can be behind Abnormal neutral-to-ground voltage

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 141 drafted · lead
- tbl=59.r4 h=77a352ec9d2e

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

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=59.r4 h=77a352ec9d2e

`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=59.r4 h=77a352ec9d2e

`reports`

c3 drafted · lead Abnormal neutral-to-ground voltage

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=59.r4 h=77a352ec9d2e

`mitigated_by`

c4 drafted · lead AC connection check

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=59.r4 h=77a352ec9d2e

c5 drafted · lead Contact manufacturer service

Escalation if the alarm persists after checking the grid connection.

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=59.r4 h=77a352ec9d2e

`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=59.r4 h=77a352ec9d2e

Data