Solar Lattice

Fault codes › Solis › Solis S6-EH2P(9.6-16)K-SV-YD-L-US

Solis S6-EH2P LmtByFreq

Code: LmtByFreq
Shown as: Frequency power limited
Page: 95
ID: fc:solis-s6-eh2p-l-us-lmtbyfreq
IRI: https://solarlattice.org/kb/fc/solis-s6-eh2p-l-us-lmtbyfreq
Status: active
Also known as: LmtByFreq, lmtbyfreq, Solis LmtByFreq, Frequency power limited
Category: Inverters

Class not stated

Production reduced drafted · lead

Clears by itself drafted · lead

Decoded

Reports grid frequency out of range.

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

Solis_manual_S6-EH2P(9.6-16)K-SV-YD-L-US_V2.7_20260305 — Solis (Ginlong) · page 95 drafted · lead
- tbl=17.r5 h=8899000c3172

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 SCH275KTL 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-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 Solis_manual_S6-EH2P(9.6-16)K-SV-YD-L-US_V2.7_20260305

Solis_manual_S6-EH2P(9.6-16)K-SV-YD-L-US_V2.7_20260305 tbl=17.r5 h=8899000c3172

`reports`

c2 drafted · lead Grid frequency out of range

Solis_manual_S6-EH2P(9.6-16)K-SV-YD-L-US_V2.7_20260305 tbl=17.r5 h=8899000c3172
Solis_Manual_S6-EH3P(30-60)K-NV-YD-H-US(21A)_V1_0_20260908 tbl=25.r5 h=8899000c3172
Solis_Manual_S6-EH3P(75-150)K10-NV-YD-H-US_V1.0 tbl=26.r5 h=8899000c3172

review note: support check: partial - Frequency power limited, but the passages don't say the grid frequency is out of range.

`has_production_effect`

c3 drafted · lead Derate (output reduced or limited)

Solis_manual_S6-EH2P(9.6-16)K-SV-YD-L-US_V2.7_20260305 tbl=17.r5 h=8899000c3172
Solis_Manual_S6-EH3P(30-60)K-NV-YD-H-US(21A)_V1_0_20260908 tbl=25.r5 h=8899000c3172
Solis_Manual_S6-EH3P(75-150)K10-NV-YD-H-US_V1.0 tbl=26.r5 h=8899000c3172

`has_recovery`

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

No action needed; normal operation continues.

Solis_manual_S6-EH2P(9.6-16)K-SV-YD-L-US_V2.7_20260305 tbl=17.r5 h=8899000c3172
Solis_Manual_S6-EH3P(30-60)K-NV-YD-H-US(21A)_V1_0_20260908 tbl=25.r5 h=8899000c3172
Solis_Manual_S6-EH3P(75-150)K10-NV-YD-H-US_V1.0 tbl=26.r5 h=8899000c3172

review note: support check: partial - No action needed is stated, but auto-clearing is not explicitly stated.

`applies_to`

c5 drafted · lead Solis S6-EH2P(9.6-16)K-SV-YD-L-US

Solis_manual_S6-EH2P(9.6-16)K-SV-YD-L-US_V2.7_20260305 tbl=17.r5 h=8899000c3172

Data