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

SMA STP-X-US 6404

Code: 6404
Shown as: Self-diagnosis > Interference device
Page: 90
ID: fc:sma-stp-x-us-50-6404
IRI: https://solarlattice.org/kb/fc/sma-stp-x-us-50-6404
Status: active
Also known as: 6404, SMA 6404, Self-diagnosis > Interference device
Category: Inverters

Class fault drafted · lead

Production stops drafted · lead

Clears by itself drafted · lead

Decoded

Reports AC overcurrent; do: inverter replacement, contact manufacturer service.

What can be behind AC overcurrent

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 90 drafted · lead
- sec=11.1.29 h=017571716f8d
- sec=h510 h=75f49e9e17fb

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-60-TL E006, ABB / FIMER TRIO-20.0-27.6-TL E006, ABB / FIMER UNO-DM-3.3-5.0-PLUS E006, ABB / FIMER UNO-DM-6.0-PLUS E006
CPS: CPS SCA50-100K-T Protect1110
Canadian Solar: Canadian Solar 185-255K OV-G-I
Fronius: Fronius Galvo 301, Fronius Primo 301, Fronius Symo 301
Huawei: 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 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 1P-4G-US GRID-INTF, Solis 3P-5G-US OV-G-I, Solis RHI-1P-HV OV-G-I, Solis RHI-1P-HV OV-IgTr, Solis S5-GC GRID-INTF, Solis S6-EH1P OV-G-I, Solis S6-EH1P OV-IgTr, Solis S6-EH2P GRID-INTF, Solis S6-EH2P OV-G-I, Solis S6-EH3P30-60K GRID-INTF, Solis S6-EH3P30-60K OV-G-I, Solis S6-EH3P75-150K GRID-INTF, 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

SMA SC-CP-XT 6404

Claims

`defined_in`

c1 drafted · lead STPxx-US-50-BE-en-14

STPxx-US-50-BE-en-14 sec=11.1.29 h=017571716f8d
STPxx-US-50-BE-en-14 sec=h510 h=75f49e9e17fb

`reports`

c2 drafted · lead AC overcurrent

SCCPXT-E7-WA-en-37 tbl=36.r11 h=fd9ded8e4809
STPxx-US-50-BE-en-14 sec=h511 h=c6e376e4d4de

`has_event_class`

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

STPxx-US-50-BE-en-14 sec=h511 h=c6e376e4d4de

review note: support check: partial - The inverter disconnects from the grid, which implies a fault, but the passage doesn't explicitly classify it as a fault.

`has_production_effect`

c4 drafted · lead Trip (production stops)

STPxx-US-50-BE-en-14 sec=h511 h=c6e376e4d4de

`has_recovery`

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

Occasional occurrence needs no action; permanent presence requires assembly or inverter replacement.

STPxx-US-50-BE-en-14 sec=h512 h=99fdc49ecb5f

review note: support check: partial - Occasional occurrence needing no action is stated, but auto-reset is not explicitly stated.

`mitigated_by`

c6 drafted · lead Inverter replacement

When the event is permanently present.

STPxx-US-50-BE-en-14 sec=h512 h=99fdc49ecb5f

c7 drafted · lead Contact manufacturer service

SCCPXT-E7-WA-en-37 tbl=36.r11 h=fd9ded8e4809

`applies_to`

c8 drafted · lead Sunny Tripower X US-50

STPxx-US-50-BE-en-14 sec=11.1.29 h=017571716f8d
STPxx-US-50-BE-en-14 sec=h510 h=75f49e9e17fb

Data