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Fault codes › Solis › Solis-1P(3.6-10)K-4G-US

Solis 1P-4G-US GRID-INTF

Code
GRID-INTF
Shown as
Grid unstable
Page
62
ID
fc:solis-1p-4g-us-gridintf
IRI
https://solarlattice.org/kb/fc/solis-1p-4g-us-gridintf
Status
active
Also known as
GRID-INTF, gridintf, Solis GRID-INTF, Grid unstable
Category
Inverters
Class not stated
Production not stated
Clears not stated

Decoded

Reports grid instability, AC overcurrent; confirm with grid voltage measurement, waveform spectrum analysis; do: grid impedance matching, inverter restart.

What can be behind Grid instability

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

What can be behind AC overcurrent

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

Defined in

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

Same condition on other equipment

ABB / FIMER
ABB / FIMER PVS-166-175-TL E006, ABB / FIMER PVS-166-175-TL W003, ABB / FIMER PVS-60-TL E006, ABB / FIMER PVS-60-TL W003, ABB / FIMER TRIO-20.0-27.6-TL E006, ABB / FIMER TRIO-20.0-27.6-TL W003, ABB / FIMER UNO-DM-3.3-5.0-PLUS E006, ABB / FIMER UNO-DM-3.3-5.0-PLUS W003, ABB / FIMER UNO-DM-6.0-PLUS E006, ABB / FIMER UNO-DM-6.0-PLUS W003
CPS
CPS SCA50-100K-T Protect1110
Canadian Solar
Canadian Solar 125K-T600GL02 GRID-INTF, Canadian Solar 125KTL-GS-E GRID-INTF, Canadian Solar 185-255K GRID-INTF01/02, Canadian Solar 185-255K OV-G-I, Canadian Solar 25-40K-T480GL01 GRID-INTF, Canadian Solar 25-40KTL-GS-FL GRID-INTF, Canadian Solar 50-66K-T480GL01 GRID-INTF, Canadian Solar 50-66KTL-GS-FL GRID-INTF, Canadian Solar 75-100K-T480GL02 GRID-INTF
Fronius
Fronius Galvo 301, Fronius Primo 301, Fronius Symo 301
Huawei
Huawei SUN2000-100KTL-USH0 2038, Huawei SUN2000-100KTL-USH0 2039, Huawei SUN2000-25-30KTL-US 202, Huawei SUN2000-45KTL-US-HV-D0 202
KACO new energy
KACO new energy blueplanet TL3 36, KACO new energy blueplanet TL3 87, KACO new energy blueplanet TL3 88, KACO new energy blueplanet TL3 89
SMA
SMA SB-US-41 404, SMA SBSE-US-50 404, SMA STP-TL-US 404, SMA STP-X-US 404, SMA STP-X-US 6404, SMA SC-CP-XT 404, SMA SC-CP-XT 6404, SMA SI-US F117, SMA SI-US W118, SMA SI-US W119, SMA SI-US W120, SMA SI-US W377, SMA SI-US W378, SMA SI-US W379, SMA SI-US W380, SMA SI-US W505, SMA SI-US W506, SMA SI-US W507, SMA SI-US W508
Schneider Electric
Schneider Electric CL125 040, Schneider Electric CL125 006, Schneider Electric CL125 007
Solis
Solis 3P-5G-US GRID-INTF01/02, Solis 3P-5G-US OV-G-I, Solis RHI-1P-HV GRID-INTF01/02, Solis RHI-1P-HV OV-G-I, Solis RHI-1P-HV OV-IgTr, Solis S5-GC GRID-INTF, Solis S6-EH1P GRID-INTF01/02, Solis S6-EH1P OV-G-I, Solis S6-EH1P OV-IgTr, Solis S6-EH2P G-F-GLU, Solis S6-EH2P GRID-INTF, Solis S6-EH2P GRID-INTF02, Solis S6-EH2P OV-G-I, Solis S6-EH3P30-60K G-F-GLU, Solis S6-EH3P30-60K GRID-INTF, Solis S6-EH3P30-60K GRID-INTF02, Solis S6-EH3P30-60K OV-G-I, Solis S6-EH3P75-150K G-F-GLU, Solis S6-EH3P75-150K GRID-INTF, Solis S6-EH3P75-150K GRID-INTF02, Solis S6-EH3P75-150K OV-G-I, Solis S6-GC GRID-INTF, Solis S6-GC OV-G-I, Solis S6-GC OV-IgTr, Solis S6-GU GRID-INTF, Solis S6-GU OV-G-I, Solis S6-GU OV-IgTr
Sungrow
Sungrow SG-CX-US 007, Sungrow SG200HX 007, Sungrow SG250HX 7, Sungrow SG350HX 007

Same code in other families

Claims

defined_in

c1 drafted · lead Solis_Manual_Solis-1P(6-10)K-4G-US_PLUS_V2.1_20250804

c2 drafted · lead Solis_Manual_(3.6-5)K_4G_PLUS_LW_USA_03212023

reports

c3 drafted · lead Grid instability

c4 drafted · lead AC overcurrent

detected_by

c5 drafted · lead Grid voltage measurement

c6 drafted · lead Waveform spectrum analysis

Harmonic distortion test of the AC line.

mitigated_by

c7 drafted · lead Grid impedance matching

c8 drafted · lead Inverter restart

applies_to

c9 drafted · lead Solis-1P(3.6-10)K-4G-US

Data