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

SMA STP-X-US 6438

Code: 6438
Shown as: Self-diagnosis > Interference device
Page: 91
ID: fc:sma-stp-x-us-50-6438
IRI: https://solarlattice.org/kb/fc/sma-stp-x-us-50-6438
Status: active
Also known as: 6438, SMA 6438, Self-diagnosis > Interference device
Category: Inverters

Class fault drafted · lead

Production stops drafted · lead

Clears after a manual reset drafted · lead

Decoded

Reports internal device fault; look at inverter bridge, grid tie relay; confirm with grid voltage measurement; do: inverter restart, inverter replacement.

What can be behind Internal device fault

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

DC link capacitor failure verified · fact
Ground fault detector failure verified · fact
Relay failure drafted · lead

Defined in

STPxx-US-50-BE-en-14 — SMA · page 91 drafted · lead
- sec=11.1.34 h=13035cbe4ca6
- sec=h535 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 E012, ABB / FIMER PVS-166-175-TL E024, ABB / FIMER PVS-166-175-TL E034, ABB / FIMER PVS-166-175-TL E049, ABB / FIMER PVS-166-175-TL E009, ABB / FIMER PVS-60-TL E012, ABB / FIMER PVS-60-TL E024, ABB / FIMER PVS-60-TL E034, ABB / FIMER PVS-60-TL E049, ABB / FIMER PVS-60-TL E081, ABB / FIMER PVS-60-TL E009, ABB / FIMER TRIO-20.0-27.6-TL E012, ABB / FIMER TRIO-20.0-27.6-TL E024, ABB / FIMER TRIO-20.0-27.6-TL E034, ABB / FIMER TRIO-20.0-27.6-TL E049, ABB / FIMER TRIO-20.0-27.6-TL E009, ABB / FIMER UNO-DM-3.3-5.0-PLUS E012, ABB / FIMER UNO-DM-3.3-5.0-PLUS E024, ABB / FIMER UNO-DM-3.3-5.0-PLUS E034, ABB / FIMER UNO-DM-3.3-5.0-PLUS E049, ABB / FIMER UNO-DM-3.3-5.0-PLUS E081, ABB / FIMER UNO-DM-3.3-5.0-PLUS E009, ABB / FIMER UNO-DM-6.0-PLUS E012, ABB / FIMER UNO-DM-6.0-PLUS E024, ABB / FIMER UNO-DM-6.0-PLUS E034, ABB / FIMER UNO-DM-6.0-PLUS E049, ABB / FIMER UNO-DM-6.0-PLUS E081, ABB / FIMER UNO-DM-6.0-PLUS E009
CPS: CPS SCA25KTL-208 Fault0060, CPS SCA25KTL-208 Protect0150, CPS SCA25KTL-480 Fault0060, CPS SCA25KTL-480 Protect0150, CPS SCA36KTL EepromErr, CPS SCA36KTL Fault0060, CPS SCA36KTL Protect0100, CPS SCA36KTL Protect0150, CPS SCA36KTL Protect0180, CPS SCA50-100K-T PFault0010, CPS SCA50-100K-T PFault0130, CPS SCA50-100K-T PFault0070, CPS SCA50-100K-T Protect1050, CPS SCA50-100K-T Protect0150, CPS SCA50-100K-T Protect0330, CPS SCA50-100K-T Protect0730, CPS SCA50-100K-T Protect0740, CPS SCA50-60KTL EepromErr, CPS SCA50-60KTL Fault0060, CPS SCA50-60KTL Protect0100, CPS SCA50-60KTL Protect0150, CPS SCA50-60KTL Protect0180, CPS SCH100-125KTL Fault0060, CPS SCH100-125KTL Protect0150, CPS SCH125KTL-AIO Fault0060, CPS SCH125KTL-AIO Protect0150, CPS SCH200-250K-T Fault0740, CPS SCH275KTL Fault0060, CPS SCH275KTL Protect0150, CPS SCH350KTL Fault0060, CPS SCH350KTL Protect0150
Canadian Solar: Canadian Solar 125K-T600GL02 IN I-PRO, Canadian Solar 125KTL-GS-E IN I-PRO, Canadian Solar 185-255K INI-FAULT, Canadian Solar 23-28KTL-CT IntFault0010-0150, Canadian Solar 23-28KTL-CT IntProtect0010-0620, Canadian Solar 25-40K-T480GL01 INI-FAULT, Canadian Solar 25-40KTL-GS-FL IN I-PRO, Canadian Solar 50-66K-T480GL01 INI-FAULT, Canadian Solar 50-66KTL-GS-FL IN I-PRO, Canadian Solar 75-100K-T480GL02 INI-FAULT
Fronius: Fronius Primo 426-428, Fronius Primo 431, Fronius Symo 426-428, Fronius Symo 431, Fronius Symo 518, Fronius Symo 760
Huawei: Huawei SUN2000-100KTL-USH0 2064, Huawei SUN2000-25-30KTL-US 400, Huawei SUN2000-25-30KTL-US 410, Huawei SUN2000-45KTL-US-HV-D0 400, Huawei SUN2000-45KTL-US-HV-D0 410
KACO new energy: KACO new energy blueplanet TL3 31
SMA: SMA SBSE-US-50 6001-6499, SMA SBSE-US-50 6606, SMA SBSE-US-50 6633, SMA SBSE-US-50 7702, SMA SBSE-US-50 7703, SMA SBSE-US-50 9107, SMA PEAK3-US 6001-6499, SMA PEAK3-US 6438, SMA PEAK3-US 7701, SMA PEAK3-US 9107, SMA CORE1-US 6002-6412, SMA CORE1-US 6107, SMA CORE1-US 7702, SMA STP-TL-US 6001-6438, SMA STP-TL-US 6606, SMA STP-TL-US 7701-7703, SMA STP-X-US 6001-6499, SMA STP-X-US 6101, SMA STP-X-US 6107, SMA STP-X-US 6202, SMA STP-X-US 6401, SMA STP-X-US 6422, SMA STP-X-US 7702, SMA STP-X-US 7703, SMA SC-CP-XT 6115, SMA SC-CP-XT 6117, SMA SC-CP-XT 6120, SMA SC-CP-XT 6121, SMA SC-CP-XT 6122, SMA SC-CP-XT 6422, SMA SC-CP-XT 6443, SMA SC-CP-XT 7601, SMA SI-US F781, SMA SI-US W713
Schneider Electric: Schneider Electric CL125 041, Schneider Electric CL125 044, Schneider Electric CL125 048, Schneider Electric CL125 049, Schneider Electric CL125 050, Schneider Electric CL125 060
Solis: Solis 1P-4G-US INI-FAULT, Solis 3P-5G-US INI-FAULT, Solis RHI-1P-HV INI-FAULT, Solis S5-GC INI-FAULT, Solis S6-EH1P INI-FAULT, Solis S6-EH2P INI-FAULT, Solis S6-EH3P30-60K INI-FAULT, Solis S6-EH3P75-150K INI-FAULT, Solis S6-GC INI-FAULT, Solis S6-GC PID Repairing, Solis S6-GU INI-FAULT, Solis S6-GU PID Repairing
Sungrow: Sungrow SG-CX-US 011, Sungrow SG-CX-US 116-117, Sungrow SG-CX-US 019-020, Sungrow SG-CX-US 021-022, Sungrow SG-CX-US 024-025, Sungrow SG-CX-US 030-034, Sungrow SG-CX-US 038, Sungrow SG-CX-US 040-042, Sungrow SG-CX-US 044-046, Sungrow SG-CX-US 048-050, Sungrow SG-CX-US 053-056, Sungrow SG-CX-US 059-060, Sungrow SG-CX-US 076, Sungrow SG200HX 100-105, Sungrow SG200HX 107-114, Sungrow SG200HX 011, Sungrow SG200HX 116-124, Sungrow SG200HX 1616, Sungrow SG200HX 19-25, Sungrow SG200HX 200-211, Sungrow SG200HX 248-255, Sungrow SG200HX 030-034, Sungrow SG200HX 300-322, Sungrow SG200HX 324-328, Sungrow SG200HX 038, Sungrow SG200HX 040-042, Sungrow SG200HX 44-50, Sungrow SG200HX 52-58, Sungrow SG200HX 60-69, Sungrow SG200HX 85, Sungrow SG200HX 92, Sungrow SG200HX 93, Sungrow SG250HX 1096-1122, Sungrow SG250HX 11, Sungrow SG250HX 1616, Sungrow SG250HX 200-211, Sungrow SG250HX 248-255, Sungrow SG250HX 30-34, Sungrow SG250HX 300-322, Sungrow SG250HX 324-328, Sungrow SG250HX 38, Sungrow SG250HX 40-42, Sungrow SG250HX 401-412, Sungrow SG250HX 600-603, Sungrow SG250HX 605, Sungrow SG250HX 608, Sungrow SG250HX 612, Sungrow SG250HX 616, Sungrow SG250HX 620, Sungrow SG250HX 622-624, Sungrow SG250HX 76, Sungrow SG250HX 800, Sungrow SG250HX 802, Sungrow SG250HX 804, Sungrow SG250HX 807, Sungrow SG350HX 100-105, Sungrow SG350HX 107-114, Sungrow SG350HX 011, Sungrow SG350HX 116-124, Sungrow SG350HX 1616, Sungrow SG350HX 19-25, Sungrow SG350HX 200-211, Sungrow SG350HX 248-255, Sungrow SG350HX 030-034, Sungrow SG350HX 300-322, Sungrow SG350HX 324-328, Sungrow SG350HX 038, Sungrow SG350HX 040-042, Sungrow SG350HX 44-50, Sungrow SG350HX 52-58, Sungrow SG350HX 60-69, Sungrow SG350HX 85, Sungrow SG350HX 92, Sungrow SG350HX 93
Yaskawa Solectria: Yaskawa Solectria PVI-14-20TL IntFaultA~O, Yaskawa Solectria PVI-14-20TL IntProtectA~Z, Yaskawa Solectria PVI-25TL-R Protect0150, Yaskawa Solectria PVI-TL IntFault0010-150, Yaskawa Solectria PVI-TL IntProtect0010-0260, Yaskawa Solectria SGI-XTM Desat Error, Yaskawa Solectria XGI-1500-1MW CRIT-9, Yaskawa Solectria XGI-1500-1MW WARN-25, Yaskawa Solectria XGI-1500-1MW WARN-26, Yaskawa Solectria XGI-1500-1MW WARN-27, Yaskawa Solectria XGI-1500 CRIT-9, Yaskawa Solectria XGI-1500-DCG CRIT-9, Yaskawa Solectria XGI-1500-DCG WARN-25, Yaskawa Solectria XGI-1500-DCG WARN-26, Yaskawa Solectria XGI-1500-DCG WARN-27, Yaskawa Solectria XGI-1500 WARN-25, Yaskawa Solectria XGI-1500 WARN-26, Yaskawa Solectria XGI-1500 WARN-27

Same code in other families

SMA PEAK3-US 6438

Claims

`defined_in`

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

STPxx-US-50-BE-en-14 sec=11.1.34 h=13035cbe4ca6
STPxx-US-50-BE-en-14 sec=h535 h=75f49e9e17fb

`reports`

c2 drafted · lead Internal device fault

Operating conditions for the internal AC converter stage were not met.

STPxx-US-50-BE-en-14 sec=11.1.34 h=13035cbe4ca6
STPxx-US-50-BE-en-14 sec=h535 h=75f49e9e17fb
STPxx-US-50-BE-en-14 sec=h536 h=3bb42b45fcd1

`affects`

c3 drafted · lead Inverter bridge

STPxx-US-50-BE-en-14 sec=11.1.34 h=13035cbe4ca6
STPxx-US-50-BE-en-14 sec=h536 h=3bb42b45fcd1

c4 drafted · lead Grid tie relay

STPxx-US-50-BE-en-14 sec=11.1.34 h=13035cbe4ca6
STPxx-US-50-BE-en-14 sec=h537 h=2b783c31e6c7

`has_event_class`

c5 drafted · lead Fault (device stops or needs intervention)

STPxx-US-50-BE-en-14 sec=11.1.34 h=13035cbe4ca6
STPxx-US-50-BE-en-14 sec=h536 h=3bb42b45fcd1

`has_production_effect`

c6 drafted · lead Trip (production stops)

STPxx-US-50-BE-en-14 sec=11.1.34 h=13035cbe4ca6
STPxx-US-50-BE-en-14 sec=h536 h=3bb42b45fcd1

`has_recovery`

c7 drafted · lead Manual reset (operator restarts or acknowledges)

Applies when the event is frequent or permanent: disconnect and recommission; replace the inverter if it persists.

STPxx-US-50-BE-en-14 sec=11.1.34 h=13035cbe4ca6
STPxx-US-50-BE-en-14 sec=h536 h=3bb42b45fcd1
STPxx-US-50-BE-en-14 sec=h537 h=2b783c31e6c7

review note: support check: partial - Disconnect and recommission is an operator action implying manual reset, but not explicitly stated as clearing.

`detected_by`

c8 drafted · lead Grid voltage measurement

STPxx-US-50-BE-en-14 sec=11.1.34 h=13035cbe4ca6
STPxx-US-50-BE-en-14 sec=h537 h=2b783c31e6c7

review note: support check: partial - Mains voltage check is a corrective measure rather than a detection method.

`mitigated_by`

c9 drafted · lead Inverter restart

STPxx-US-50-BE-en-14 sec=11.1.34 h=13035cbe4ca6
STPxx-US-50-BE-en-14 sec=h537 h=2b783c31e6c7

review note: support check: partial - The corrective measures amount to disconnecting, waiting for LEDs to go out and recommissioning, which is roughly a restart, but…

c10 drafted · lead Inverter replacement

When the event persists or the relays do not switch.

STPxx-US-50-BE-en-14 sec=11.1.34 h=13035cbe4ca6
STPxx-US-50-BE-en-14 sec=h537 h=2b783c31e6c7

`applies_to`

c11 drafted · lead Sunny Tripower X US-50

STPxx-US-50-BE-en-14 sec=11.1.34 h=13035cbe4ca6
STPxx-US-50-BE-en-14 sec=h535 h=75f49e9e17fb

Data