Fault codes › Sungrow › Sungrow SG36/60CX-US

Sungrow SG-CX-US 002

Code: 002
Shown as: Grid overvoltage
Page: 89
ID: fc:sungrow-sg-cx-us-2
IRI: https://solarlattice.org/kb/fc/sungrow-sg-cx-us-2
Status: active
Also known as: 002, 2, Sungrow 002, Grid overvoltage
Category: Inverters

Class fault drafted · lead

Production stops verified · fact

Clears by itself drafted · lead

Decoded

Reports grid overvoltage; look at AC cable; confirm with grid voltage measurement, inverter settings review; do: utility company consultation, grid settings check.

What can be behind Grid overvoltage

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

Inverter-grid resonance at low short-circuit ratio drafted · lead

Defined in

Sungrow 36 60CX-US IOM — Sungrow drafted · lead
- tbl=46.r1 h=34f30afcef21
Sungrow SG36_60CX-US User Manual Ver17 202411 — Sungrow drafted · lead
- tbl=32.r1 h=34f30afcef21

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 E036, ABB / FIMER PVS-166-175-TL W004, ABB / FIMER PVS-60-TL CODE:02, ABB / FIMER PVS-60-TL E036, ABB / FIMER PVS-60-TL W004, ABB / FIMER TRIO-20.0-27.6-TL CODE:02, ABB / FIMER TRIO-20.0-27.6-TL E036, ABB / FIMER UNO-DM-3.3-5.0-PLUS CODE:02, ABB / FIMER UNO-DM-3.3-5.0-PLUS E036, ABB / FIMER UNO-DM-3.3-5.0-PLUS W004, ABB / FIMER UNO-DM-6.0-PLUS CODE:02, ABB / FIMER UNO-DM-6.0-PLUS E036, ABB / FIMER UNO-DM-6.0-PLUS W004
Canadian Solar: Canadian Solar 125K-T600GL02 OV-G-V, Canadian Solar 125KTL-GS-E OV-G-V, Canadian Solar 25-40K-T480GL01 OV-G-V, Canadian Solar 25-40KTL-GS-FL OV-G-V, Canadian Solar 50-66K-T480GL01 OV-G-V, Canadian Solar 50-66KTL-GS-FL OV-G-V, Canadian Solar 75-100K-T480GL02 OV-G-V
Fronius: Fronius Galvo 102, Fronius Galvo 212, Fronius Galvo 222, Fronius Primo 102, Fronius Symo 102, Fronius Symo 212, Fronius Symo 222, Fronius Symo 232
Huawei: Huawei SUN2000-100KTL-USH0 2034, Huawei SUN2000-25-30KTL-US 301, Huawei SUN2000-45KTL-US-HV-D0 301
KACO new energy: KACO new energy blueplanet TL3 108, KACO new energy blueplanet TL3 109, KACO new energy blueplanet TL3 110, KACO new energy blueplanet TL3 203, KACO new energy blueplanet TL3 204, KACO new energy blueplanet TL3 205, KACO new energy blueplanet TL3 35, KACO new energy blueplanet TL3 42, KACO new energy blueplanet TL3 44, KACO new energy blueplanet TL3 46, KACO new energy blueplanet TL3 50, KACO new energy blueplanet TL3 81, KACO new energy blueplanet TL3 82, KACO new energy blueplanet TL3 83
SMA: SMA SB-US-40 101-105, SMA SB-US-41 101, SMA SB-US-41 102, SMA SB-US-41 0103, SMA SB-US-41 105, SMA SB-US-41 301, SMA SBSE-US-50 101, SMA SBSE-US-50 102, SMA SBSE-US-50 0103, SMA SBSE-US-50 105, SMA SBSE-US-50 301, SMA SBSE-US-50 302, SMA SBSE-US-50 6602, SMA PEAK3-US 6128, SMA CORE1-US 101, SMA CORE1-US 301, SMA STP-TL-US 101-103, SMA STP-TL-US 301, SMA STP-X-US 101, SMA STP-X-US 102, SMA STP-X-US 0103, SMA STP-X-US 105, SMA STP-X-US 301, SMA STP-X-US 302, SMA STP-X-US 6602, SMA SC-CP-XT 0103, SMA SC-CP-XT 0104, SMA SC-CP-XT 6128, SMA SI-US W319, SMA SI-US W320, SMA SI-US W321, SMA SI-US W322, SMA SI-US W339, SMA SI-US W340, SMA SI-US W341, SMA SI-US W342
Schneider Electric: Schneider Electric CL125 014, Schneider Electric CL125 002
Solis: Solis 1P-4G-US OV-G-V, Solis 3P-5G-US OV-G-V01/02/03/04, Solis RHI-1P-HV OV-G-V01/02/03/04/05, Solis S5-GC OV-G-V, Solis S6-EH1P OV-G-V01/02/03/04/05, Solis S6-EH2P LmtByVar, Solis S6-EH2P LmtByVg, Solis S6-EH2P OV-G-V01, Solis S6-EH2P OV-G-V02, Solis S6-EH2P OV-G-V03, Solis S6-EH2P OV-G-V04, Solis S6-EH2P OV-G-V05, Solis S6-EH3P30-60K LmtByVar, Solis S6-EH3P30-60K LmtByVg, Solis S6-EH3P30-60K OV-G-V01, Solis S6-EH3P30-60K OV-G-V02, Solis S6-EH3P30-60K OV-G-V03, Solis S6-EH3P30-60K OV-G-V04, Solis S6-EH3P30-60K OV-G-V05, Solis S6-EH3P75-150K LmtByVar, Solis S6-EH3P75-150K LmtByVg, Solis S6-EH3P75-150K OV-G-V01, Solis S6-EH3P75-150K OV-G-V02, Solis S6-EH3P75-150K OV-G-V03, Solis S6-EH3P75-150K OV-G-V04, Solis S6-EH3P75-150K OV-G-V05, Solis S6-GC OV-G-V, Solis S6-GU OV-G-V
Sungrow: Sungrow SG-CX-US 014, Sungrow SG-CX-US 015, Sungrow SG-CX-US 003, Sungrow SG200HX 014, Sungrow SG200HX 015, Sungrow SG200HX 002, Sungrow SG200HX 003, Sungrow SG250HX 14, Sungrow SG250HX 15, Sungrow SG250HX 2, Sungrow SG250HX 3, Sungrow SG350HX 014, Sungrow SG350HX 015, Sungrow SG350HX 002, Sungrow SG350HX 003
Yaskawa Solectria: Yaskawa Solectria SGI-XTM Vac High, Yaskawa Solectria SGI-XTM Vac Very High, Yaskawa Solectria XGI-1500-1MW WARN-12, Yaskawa Solectria XGI-1500-1MW WARN-13, Yaskawa Solectria XGI-1500-DCG WARN-12, Yaskawa Solectria XGI-1500-DCG WARN-13, Yaskawa Solectria XGI-1500 WARN-12, Yaskawa Solectria XGI-1500 WARN-13

Same code in other families

Claims

`defined_in`

c1 drafted · lead Sungrow 36 60CX-US IOM

Sungrow 36 60CX-US IOM tbl=46.r1 h=34f30afcef21

c2 drafted · lead Sungrow SG36_60CX-US User Manual Ver17 202411

Sungrow SG36_60CX-US User Manual Ver17 202411 tbl=32.r1 h=34f30afcef21

`reports`

c3 drafted · lead Grid overvoltage

Sungrow 36 60CX-US IOM tbl=46.r1 h=34f30afcef21
Sungrow SG36_60CX-US User Manual Ver17 202411 tbl=32.r1 h=34f30afcef21
Sungrow SG200HX-US User Manual tbl=29.r1 h=4e1fbd3f8aad

`has_event_class`

c4 drafted · lead Fault (device stops or needs intervention)

Sungrow 36 60CX-US IOM tbl=46.r1 h=34f30afcef21
Sungrow SG36_60CX-US User Manual Ver17 202411 tbl=32.r1 h=34f30afcef21
Sungrow SG200HX-US User Manual tbl=29.r1 h=4e1fbd3f8aad

review note: support check: partial - The row describes a fault code and the device reconnects, but never labels it a 'fault' class; a protection stop…

`has_production_effect`

c5 verified · fact Trip (production stops)

Sungrow 36 60CX-US IOM tbl=46.r1 h=34f30afcef21
Sungrow SG36_60CX-US User Manual Ver17 202411 tbl=32.r1 h=34f30afcef21
Sungrow SG200HX-US User Manual tbl=29.r1 h=4e1fbd3f8aad

verified by: review-workflowverified on: 2026-10-23review note: support check: partial - Reconnection after grid normalizes implies the inverter disconnected, but production stop is not explicitly stated.