Solar Lattice

Fault codes › SMA › Sunny Central 500CP XT-1000CP XT

SMA SC-CP-XT 6405

Code: 6405
Page: 37
ID: fc:sma-sunny-central-cp-xt-6405
IRI: https://solarlattice.org/kb/fc/sma-sunny-central-cp-xt-6405
Status: active
Also known as: 6405, SMA 6405
Category: Inverters

Class not stated

Production not stated

Clears by itself drafted · lead

Decoded

Reports DC bus overvoltage; look at inverter bridge, DC connector, DC cable, PV array; do: string configuration correction, DC wiring check, inverter replacement, contact manufacturer service.

What can be behind DC bus overvoltage

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

Defined in

SCCPXT-E7-WA-en-37 — SMA · page 37 drafted · lead
- tbl=36.r12 h=6ae12d09ad40

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 E029, ABB / FIMER PVS-166-175-TL E004, ABB / FIMER PVS-60-TL E029, ABB / FIMER PVS-60-TL E004, ABB / FIMER TRIO-20.0-27.6-TL E029, ABB / FIMER TRIO-20.0-27.6-TL E004, ABB / FIMER UNO-DM-3.3-5.0-PLUS E029, ABB / FIMER UNO-DM-3.3-5.0-PLUS E004, ABB / FIMER UNO-DM-6.0-PLUS E029, ABB / FIMER UNO-DM-6.0-PLUS E004
CPS: CPS SCA25KTL-208 Fault0130, CPS SCA25KTL-208 Fault0020, CPS SCA25KTL-208 Protect0110, CPS SCA25KTL-208 Protect0090, CPS SCA25KTL-480 Fault0130, CPS SCA25KTL-480 Fault0020, CPS SCA25KTL-480 Protect0110, CPS SCA25KTL-480 Protect0090, CPS SCA50-100K-T Fault7000, CPS SCA50-100K-T PFault0000, CPS SCA50-100K-T PFault0110, CPS SCA50-100K-T Protect0000, CPS SCA50-100K-T Protect0110, CPS SCA50-100K-T Protect0300, CPS SCA50-100K-T Protect0090, CPS SCH100-125KTL Fault0130, CPS SCH100-125KTL Fault0020, CPS SCH100-125KTL Protect0110, CPS SCH100-125KTL Protect0090, CPS SCH125KTL-AIO Fault0130, CPS SCH125KTL-AIO Fault0020, CPS SCH125KTL-AIO Protect0110, CPS SCH125KTL-AIO Protect0090, CPS SCH200-250K-T Fault0130, CPS SCH200-250K-T Fault0030, CPS SCH200-250K-T Protect0000, CPS SCH200-250K-T Protect0300, CPS SCH275KTL Fault0130, CPS SCH275KTL Fault0020, CPS SCH275KTL Protect0110, CPS SCH275KTL Protect0090, CPS SCH350KTL Fault0130, CPS SCH350KTL Fault0020, CPS SCH350KTL Protect0110, CPS SCH350KTL Protect0090
Canadian Solar: Canadian Solar 125K-T600GL02 OV-BUS, Canadian Solar 125KTL-GS-E OV-BUS, Canadian Solar 185-255K OV-BUS, Canadian Solar 25-40K-T480GL01 OV-BUS, Canadian Solar 25-40KTL-GS-FL OV-BUS, Canadian Solar 50-66K-T480GL01 OV-BUS, Canadian Solar 50-66KTL-GS-FL OV-BUS, Canadian Solar 75-100K-T480GL02 OV-BUS
Fronius: Fronius Galvo 308, Fronius Primo 489, Fronius Symo 308, Fronius Symo 489
KACO new energy: KACO new energy blueplanet TL3 216, KACO new energy blueplanet TL3 35, KACO new energy blueplanet TL3 85
SMA: SMA STP-X-US 6405
Schneider Electric: Schneider Electric CL125 019, Schneider Electric CL125 020
Solis: Solis 1P-4G-US OV-BUS, Solis 3P-5G-US OV-BUS, Solis RHI-1P-HV OV-BUS, Solis S5-GC OV-BUS, Solis S6-EH1P OV-BUS, Solis S6-EH2P OV-BUS, Solis S6-EH2P OV-BUS-H, Solis S6-EH3P30-60K OV-BUS, Solis S6-EH3P30-60K OV-BUS-H, Solis S6-EH3P75-150K OV-BUS, Solis S6-EH3P75-150K OV-BUS-H, Solis S6-GC OV-BUS, Solis S6-GU OV-BUS
Yaskawa Solectria: Yaskawa Solectria PVI-25TL-R Fault0130, Yaskawa Solectria PVI-25TL-R Fault0020, Yaskawa Solectria PVI-25TL-R Protect0110, Yaskawa Solectria SGI-XTM DC Overshoot

Same code in other families

SMA STP-X-US 6405

Claims

`defined_in`

c1 drafted · lead SCCPXT-E7-WA-en-37

SCCPXT-E7-WA-en-37 tbl=36.r12 h=6ae12d09ad40

`reports`

c2 drafted · lead DC bus overvoltage

SCCPXT-E7-WA-en-37 tbl=36.r12 h=6ae12d09ad40
STPxx-US-50-BE-en-14 sec=h516 h=749a6098bfa9

`affects`

c3 drafted · lead Inverter bridge

SCCPXT-E7-WA-en-37 tbl=36.r12 h=6ae12d09ad40

c4 drafted · lead DC connector

STPxx-US-50-BE-en-14 sec=h517 h=a1d43f878551

review note: support check: partial - DC plug connections are listed as possible error sources, but the passage doesn't say the event affects the connector directly.

c5 drafted · lead DC cable

STPxx-US-50-BE-en-14 sec=h517 h=a1d43f878551

review note: support check: partial - DC cabling is listed as a possible error source; the link is indirect.

c6 drafted · lead PV array

STPxx-US-50-BE-en-14 sec=h517 h=a1d43f878551

review note: support check: partial - PV modules are listed as a possible error source and array rating is mentioned, but no explicit statement that the…

`mitigated_by`

c7 drafted · lead String configuration correction

When the event occurs frequently.

STPxx-US-50-BE-en-14 sec=h517 h=a1d43f878551

c8 drafted · lead DC wiring check

STPxx-US-50-BE-en-14 sec=h517 h=a1d43f878551

c9 drafted · lead Inverter replacement

Only if the event persists after successful checks.

STPxx-US-50-BE-en-14 sec=h517 h=a1d43f878551

c10 drafted · lead Contact manufacturer service

SCCPXT-E7-WA-en-37 tbl=36.r12 h=6ae12d09ad40

`has_recovery`

c11 drafted · lead Auto-reset (clears by itself)

Rare occurrence needs no action; frequent: check array design and DC wiring, then replace assembly or inverter.

STPxx-US-50-BE-en-14 sec=h517 h=a1d43f878551

review note: support check: partial - Rare occurrences needing no action hints at self-clearing, but auto-reset is not stated, and the table row shows a 30…

`applies_to`

c12 drafted · lead Sunny Central CP XT

SCCPXT-E7-WA-en-37 tbl=36.r12 h=6ae12d09ad40

Data