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Sungrow SG350HX 004

Code
004
Shown as
Grid Undervoltage
Page
87
ID
fc:sungrow-sg350hx-4
IRI
https://solarlattice.org/kb/fc/sungrow-sg350hx-4
Status
active
Also known as
004, 4, Sungrow 004, Grid Undervoltage
Category
Inverters
Class fault drafted · lead
Production stops drafted · lead
Clears by itself drafted · lead

Decoded

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

What can be behind Grid undervoltage

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 W005, ABB / FIMER PVS-60-TL CODE:04, ABB / FIMER PVS-60-TL W005, ABB / FIMER TRIO-20.0-27.6-TL CODE:04, ABB / FIMER UNO-DM-3.3-5.0-PLUS CODE:04, ABB / FIMER UNO-DM-3.3-5.0-PLUS W005, ABB / FIMER UNO-DM-6.0-PLUS CODE:04, ABB / FIMER UNO-DM-6.0-PLUS W005
Canadian Solar
Canadian Solar 125K-T600GL02 UN-G-V, Canadian Solar 125KTL-GS-E UN-G-V, Canadian Solar 25-40K-T480GL01 UN-G-V, Canadian Solar 25-40KTL-GS-FL UN-G-V, Canadian Solar 50-66K-T480GL01 UN-G-V, Canadian Solar 50-66KTL-GS-FL UN-G-V, Canadian Solar 75-100K-T480GL02 UN-G-V
Fronius
Fronius Galvo 103, Fronius Galvo 213, Fronius Galvo 223, Fronius Primo 103, Fronius Symo 103, Fronius Symo 213, Fronius Symo 223, Fronius Symo 233
Huawei
Huawei SUN2000-100KTL-USH0 2033, Huawei SUN2000-25-30KTL-US 301, Huawei SUN2000-45KTL-US-HV-D0 301
KACO new energy
KACO new energy blueplanet TL3 111, KACO new energy blueplanet TL3 112, KACO new energy blueplanet TL3 113, KACO new energy blueplanet TL3 41, KACO new energy blueplanet TL3 43, KACO new energy blueplanet TL3 45
SMA
SMA SB-US-40 202-206, SMA SB-US-41 202, SMA SB-US-41 0203, SMA SB-US-41 206, SMA SBSE-US-50 202, SMA SBSE-US-50 0203, SMA SBSE-US-50 206, SMA STP-TL-US 202-203, SMA SC-CP-XT 0203, SMA SC-CP-XT 0204, SMA SI-US W315, SMA SI-US W316, SMA SI-US W317, SMA SI-US W318
Schneider Electric
Schneider Electric CL125 004, Schneider Electric CL125 005
Solis
Solis 1P-4G-US UN-G-V, Solis 3P-5G-US UN-G-V01/02, Solis RHI-1P-HV UN-G-V01/02, Solis S5-GC UN-G-V, Solis S6-EH1P UN-G-V01/02, Solis S6-EH2P UN-G-V01, Solis S6-EH2P UN-G-V02, Solis S6-EH3P30-60K UN-G-V01, Solis S6-EH3P30-60K UN-G-V02, Solis S6-EH3P75-150K UN-G-V01, Solis S6-EH3P75-150K UN-G-V02, Solis S6-GC UN-G-V, Solis S6-GU UN-G-V
Sungrow
Sungrow SG-CX-US 004, Sungrow SG-CX-US 005, Sungrow SG200HX 004, Sungrow SG200HX 005, Sungrow SG250HX 4, Sungrow SG250HX 5, Sungrow SG350HX 005
Yaskawa Solectria
Yaskawa Solectria SGI-XTM Vac Low, Yaskawa Solectria SGI-XTM Vac Very Low, Yaskawa Solectria XGI-1500-1MW WARN-10, Yaskawa Solectria XGI-1500-1MW WARN-11, Yaskawa Solectria XGI-1500-1MW WARN-9, Yaskawa Solectria XGI-1500-DCG WARN-10, Yaskawa Solectria XGI-1500-DCG WARN-11, Yaskawa Solectria XGI-1500-DCG WARN-9, Yaskawa Solectria XGI-1500 WARN-10, Yaskawa Solectria XGI-1500 WARN-11, Yaskawa Solectria XGI-1500 WARN-9

Same code in other families

Claims

defined_in

c1 drafted · lead Sungrow SG350HX-US User Manual

reports

c2 drafted · lead Grid undervoltage

has_event_class

c3 drafted · lead Fault (device stops or needs intervention)

review note: support check: partial - No explicit fault classification; only implied by the reconnection behaviour.

has_production_effect

c4 drafted · lead Trip (production stops)

review note: support check: partial - Reconnection implies disconnection, but production stop is not explicit.

has_recovery

c5 drafted · lead Auto-reset (clears by itself)

If repeated, check grid, settings and AC cable, then contact service.

detected_by

c6 drafted · lead Grid voltage measurement

c7 drafted · lead Inverter settings review

mitigated_by

c8 drafted · lead Utility company consultation

c9 drafted · lead Grid settings check

c10 drafted · lead AC connection check

affects

c11 drafted · lead AC cable

review note: support check: partial - AC cable security is a check item, but the passages don't say the fault affects the cable.

applies_to

c12 drafted · lead Sungrow SG350HX-US

Data