Fault codes › CPS › CPS SCH275KTL-DO/US-800

CPS SCH275KTL GridF.OutLim

Code: GridF.OutLim
Vendor severity: Protection
Page: 72
ID: fc:chint-sch-275ktl-gridfoutlim
IRI: https://solarlattice.org/kb/fc/chint-sch-275ktl-gridfoutlim
Status: active
Also known as: GridF.OutLim, gridfoutlim, CPS GridF.OutLim
Category: Inverters

Class fault drafted · lead

Production stops drafted · lead

Clears after a manual reset drafted · lead

Decoded

Reports grid frequency out of range; confirm with grid frequency measurement; do: AC connection check.

What can be behind Grid frequency out of range

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

Defined in

CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 — CPS (Chint Power Systems) · page 72 drafted · lead
- tbl=27.r3 h=9e880871e4d6
- tbl=27.r4 h=069b2e30ec6d
- tbl=27.r5 h=6220a5de451a

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

Same condition on other equipment

CPS: CPS SCA25KTL-208 GridF.OutLim, CPS SCA25KTL-480 GridF.OutLim, CPS SCA36KTL GridF.OutLim, CPS SCA50-60KTL GridF.OutLim, CPS SCH100-125KTL GridF.OutLim, CPS SCH125KTL-AIO GridF.OutLim, CPS SCH200-250K-T GridF.OutLim, CPS SCH350KTL GridF.OutLim
Canadian Solar: Canadian Solar 23-28KTL-CT GridF.OutLim
Fronius: Fronius Galvo 454, Fronius Primo 454, Fronius Symo 454
Huawei: Huawei SUN2000-25-30KTL-US 305, Huawei SUN2000-45KTL-US-HV-D0 305
SMA: SMA SB-US-40 501, SMA SB-US-40 701, SMA SB-US-41 0205, SMA SB-US-41 501, SMA SB-US-41 701, SMA SBSE-US-50 501, SMA SBSE-US-50 701, SMA PEAK3-US 501, SMA PEAK3-US 701, SMA CORE1-US 501, SMA STP-TL-US 501, SMA STP-TL-US 701, SMA STP-X-US 501, SMA STP-X-US 701, SMA SC-CP-XT 0205
Schneider Electric: Schneider Electric CL125 054
Solis: Solis S6-EH2P LmtByFreq, Solis S6-EH3P30-60K LmtByFreq, Solis S6-EH3P75-150K LmtByFreq, Solis S6-GC G-F-FLU, Solis S6-GU G-F-FLU
Sungrow: Sungrow SG-CX-US 013, Sungrow SG200HX 013, Sungrow SG250HX 13, Sungrow SG350HX 013
Yaskawa Solectria: Yaskawa Solectria PVI-14-20TL GridF.OutLim, Yaskawa Solectria PVI-25TL-R GridF.OutLim, Yaskawa Solectria PVI-TL GridF.OutLim

Same code in other families

Claims

`defined_in`

c1 drafted · lead CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7

CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=27.r3 h=9e880871e4d6
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=27.r4 h=069b2e30ec6d
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=27.r5 h=6220a5de451a

`has_event_class`

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

from the table header

CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=27.r3 h=9e880871e4d6
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=27.r4 h=069b2e30ec6d
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=27.r5 h=6220a5de451a
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=27 h=645c5466b9b0

`reports`

c3 drafted · lead Grid frequency out of range

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=36.r5 h=8947913e2857
CPS SCA25KTL-DO-US-208 User Manual Rev 1.2 tbl=50.r5 h=e36a418dd1ab
CPS 25kW User Manual Rev 2.1 tbl=57.r3 h=bbd11460677c
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=31.r5 h=545409bca32e
CPS SCH200-250K-T-US User Manual Aug 2026 tbl=43.r2 h=fab15c9d6b4e
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=27.r4 h=069b2e30ec6d
CPS SCH350KTL-DO-US-800 User Manual Rev 2.2 tbl=34.r13 h=fab15c9d6b4e

`detected_by`

c4 drafted · lead Grid frequency measurement

Compare measured frequency on display against limits

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=36.r5 h=8947913e2857
CPS SCA25KTL-DO-US-208 User Manual Rev 1.2 tbl=50.r5 h=e36a418dd1ab
CPS 25kW User Manual Rev 2.1 tbl=57.r3 h=bbd11460677c
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=31.r5 h=545409bca32e
CPS SCH200-250K-T-US User Manual Aug 2026 tbl=43.r2 h=fab15c9d6b4e
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=27.r5 h=6220a5de451a
CPS SCH350KTL-DO-US-800 User Manual Rev 2.2 tbl=34.r13 h=fab15c9d6b4e

`mitigated_by`

c5 drafted · lead AC connection check

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=36.r5 h=8947913e2857
CPS SCA25KTL-DO-US-208 User Manual Rev 1.2 tbl=50.r5 h=e36a418dd1ab
CPS 25kW User Manual Rev 2.1 tbl=57.r3 h=bbd11460677c
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=31.r5 h=545409bca32e
CPS SCH200-250K-T-US User Manual Aug 2026 tbl=43.r2 h=fab15c9d6b4e
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=27.r3 h=9e880871e4d6
CPS SCH350KTL-DO-US-800 User Manual Rev 2.2 tbl=34.r13 h=fab15c9d6b4e

`has_production_effect`

c6 drafted · lead Trip (production stops)

Restart needed implies inverter stopped

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=36.r5 h=8947913e2857
CPS SCA25KTL-DO-US-208 User Manual Rev 1.2 tbl=50.r5 h=e36a418dd1ab
CPS 25kW User Manual Rev 2.1 tbl=57.r3 h=bbd11460677c
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=31.r5 h=545409bca32e
CPS SCH200-250K-T-US User Manual Aug 2026 tbl=43.r2 h=fab15c9d6b4e
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=27.r5 h=6220a5de451a
CPS SCH350KTL-DO-US-800 User Manual Rev 2.2 tbl=34.r13 h=fab15c9d6b4e

review note: support check: partial - Restart instruction implies stoppage but trip is not explicitly stated.

`has_recovery`

c7 drafted · lead Manual reset (operator restarts or acknowledges)

Restart once frequency is within limits

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=36.r5 h=8947913e2857
CPS SCA25KTL-DO-US-208 User Manual Rev 1.2 tbl=50.r5 h=e36a418dd1ab
CPS 25kW User Manual Rev 2.1 tbl=57.r3 h=bbd11460677c
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=31.r5 h=545409bca32e
CPS SCH200-250K-T-US User Manual Aug 2026 tbl=43.r2 h=fab15c9d6b4e
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=27.r5 h=6220a5de451a
CPS SCH350KTL-DO-US-800 User Manual Rev 2.2 tbl=34.r13 h=fab15c9d6b4e

`applies_to`

c8 drafted · lead CPS SCH275KTL-DO/US-800

CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=27.r3 h=9e880871e4d6
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=27.r4 h=069b2e30ec6d
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=27.r5 h=6220a5de451a

CPS SCH275KTL GridF.OutLim

Decoded

What can be behind Grid frequency out of range

Defined in

Same condition on other equipment

Same code in other families

Claims

defined_in

has_event_class

reports

detected_by

mitigated_by

has_production_effect

has_recovery

applies_to

Data