Solar Lattice

Fault codes › SMA › Sunny Tripower X 13-30-US (STP xx-US-50)

SMA STP-X-US 0103

Code: 0103
Shown as: Grid incident
Page: 79
ID: fc:sma-stp-x-us-50-103
IRI: https://solarlattice.org/kb/fc/sma-stp-x-us-50-103
Status: active
Also known as: 0103, 103, SMA 0103, Grid incident
Category: Inverters

Class fault drafted · lead

Production stops drafted · lead

Clears by itself verified · fact

Decoded

Reports grid overvoltage, high grid impedance; confirm with grid voltage measurement; do: AC connection check, utility company consultation.

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

What can be behind High grid impedance

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

Defined in

STPxx-US-50-BE-en-14 — SMA · page 79 drafted · lead
- sec=11.1.3 h=73c43bced9d0
- sec=h382 h=354164b2f12c

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 185-255K G-IMP, 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 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 015, Schneider Electric CL125 002
Solis: Solis 1P-4G-US OV-G-V, Solis 3P-5G-US G-IMP, Solis 3P-5G-US OV-G-V01/02/03/04, Solis RHI-1P-HV G-IMP, Solis RHI-1P-HV OV-G-V01/02/03/04/05, Solis S5-GC OV-G-V, Solis S6-EH1P G-IMP, 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 002, 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 STPxx-US-50-BE-en-14

STPxx-US-50-BE-en-14 sec=11.1.3 h=73c43bced9d0
STPxx-US-50-BE-en-14 sec=h382 h=354164b2f12c

`reports`

c2 drafted · lead Grid overvoltage

SCCPXT-E7-WA-en-37 tbl=32.r1 h=fcb1b5c1077d
SBxx-US-1XP-41-BA-en-12 sec=h197 h=9d464275e542
STPxx-US-50-BE-en-14 sec=h383 h=9d464275e542

c3 drafted · lead High grid impedance

SBxx-US-1XP-41-BA-en-12 sec=h197 h=9d464275e542
STPxx-US-50-BE-en-14 sec=h383 h=9d464275e542

`has_event_class`

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

SBxx-US-1XP-41-BA-en-12 sec=h197 h=9d464275e542
STPxx-US-50-BE-en-14 sec=h383 h=9d464275e542

review note: support check: partial - Inverter disconnects from the grid, but the passages do not explicitly classify it as a fault versus warning.

`has_production_effect`

c5 drafted · lead Trip (production stops)

SBxx-US-1XP-41-BA-en-12 sec=h197 h=9d464275e542
STPxx-US-50-BE-en-14 sec=h383 h=9d464275e542

`has_recovery`

c6 verified · fact Auto-reset (clears by itself)

Reconnects after grid monitoring time; parameterization may require manual acknowledgement

SCCPXT-E7-WA-en-37 tbl=32.r1 h=fcb1b5c1077d
SCCPXT-E7-WA-en-37 sec=5.4.3 h=162f559707eb

verified by: review-workflowverified on: 2026-10-23

`detected_by`

c7 drafted · lead Grid voltage measurement

SCCPXT-E7-WA-en-37 tbl=32.r1 h=fcb1b5c1077d
SBxx-US-1XP-41-BA-en-12 sec=h198 h=60749c2f0bc9
STPxx-US-50-BE-en-14 sec=h384 h=60749c2f0bc9

review note: support check: partial - Overvoltage detection and grid voltage checks are described, but a grid voltage measurement as the detection method is only implied.

`mitigated_by`

c8 drafted · lead AC connection check

SCCPXT-E7-WA-en-37 tbl=32.r1 h=fcb1b5c1077d

c9 drafted · lead Utility company consultation

When local grid voltage is out of range; contact service if voltage is normal and message persists

SBxx-US-1XP-41-BA-en-12 sec=h198 h=60749c2f0bc9
STPxx-US-50-BE-en-14 sec=h384 h=60749c2f0bc9

`applies_to`

c10 drafted · lead Sunny Tripower X US-50

STPxx-US-50-BE-en-14 sec=11.1.3 h=73c43bced9d0
STPxx-US-50-BE-en-14 sec=h382 h=354164b2f12c

Data