Solar Lattice

Fault codes › SMA › Sunny Tripower CORE1-US (STP 33/50/62-US-41)

SMA CORE1-US 3412

Code: 3412
Shown as: DC overvoltage > Disconnect PV array
Page: 49
ID: fc:sma-stp-core1-us-3412
IRI: https://solarlattice.org/kb/fc/sma-stp-core1-us-3412
Status: active
Also known as: 3412, SMA 3412, DC overvoltage > Disconnect PV array
Category: Inverters

Class fault drafted · lead

Production not stated

Clears after a manual reset drafted · lead

Decoded

Reports DC overvoltage; look at PV array; confirm with DC voltage measurement; do: string voltage margin design, contact manufacturer service.

What can be behind DC overvoltage

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

Defined in

STP33-62-US-41-BA-en-14 — SMA · page 49 drafted · lead
- sec=h258 h=33883a354598
- sec=h260 h=587cea85589b

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 E002, ABB / FIMER PVS-166-175-TL E057, ABB / FIMER PVS-60-TL CODE:06, ABB / FIMER PVS-60-TL E002, ABB / FIMER PVS-60-TL E057, ABB / FIMER TRIO-20.0-27.6-TL CODE:06, ABB / FIMER TRIO-20.0-27.6-TL E002, ABB / FIMER TRIO-20.0-27.6-TL E057, ABB / FIMER UNO-DM-3.3-5.0-PLUS CODE:06, ABB / FIMER UNO-DM-3.3-5.0-PLUS E002, ABB / FIMER UNO-DM-3.3-5.0-PLUS E057, ABB / FIMER UNO-DM-6.0-PLUS CODE:06, ABB / FIMER UNO-DM-6.0-PLUS E002, ABB / FIMER UNO-DM-6.0-PLUS E057
CPS: CPS SCA25KTL-208 PV2VoltOver, CPS SCA25KTL-480 PVVoltOver, CPS SCA36KTL PV2VoltOver, CPS SCA50-100K-T Fault4040, CPS SCA50-100K-T Protect0370, CPS SCA50-100K-T Protect0420, CPS SCA50-100K-T Protect0440, CPS SCA50-100K-T Protect0800, CPS SCA50-100K-T Protect0830, CPS SCA50-100K-T Protect0860, CPS SCA50-60KTL PV2VoltOver, CPS SCH100-125KTL PVVoltOver, CPS SCH125KTL-AIO PVVoltOver, CPS SCH275KTL PVVoltOver, CPS SCH350KTL PVVoltOver
Canadian Solar: Canadian Solar 125K-T600GL02 OV-DC, Canadian Solar 125KTL-GS-E OV-DC, Canadian Solar 185-255K OV-DC01/02/03/04, Canadian Solar 23-28KTL-CT PVVoltOver, Canadian Solar 25-40K-T480GL01 OV-DC, Canadian Solar 25-40KTL-GS-FL OV-DC, Canadian Solar 50-66K-T480GL01 OV-DC, Canadian Solar 50-66KTL-GS-FL OV-DC, Canadian Solar 75-100K-T480GL02 OV-DC
Fronius: Fronius Galvo 309, Fronius Symo 309, Fronius Symo 313
Huawei: Huawei SUN2000-100KTL-USH0 2001, Huawei SUN2000-25-30KTL-US 103, Huawei SUN2000-45KTL-US-HV-D0 103
KACO new energy: KACO new energy blueplanet TL3 118, KACO new energy blueplanet TL3 119, KACO new energy blueplanet TL3 38, KACO new energy blueplanet TL3 60
SMA: SMA SB-US-40 3401-3407, SMA SB-US-41 3401, SMA SB-US-41 3402, SMA SB-US-41 3407, SMA SBSE-US-50 3401, SMA SBSE-US-50 3402, SMA SBSE-US-50 3407, SMA SBSE-US-50 3410, SMA SBSE-US-50 3411, SMA CORE1-US 3401, SMA CORE1-US 3402, SMA CORE1-US 3404, SMA CORE1-US 3407, SMA CORE1-US 3410, SMA CORE1-US 3411, SMA STP-TL-US 3401-3402, SMA SC-CP-XT 3403, SMA SC-CP-XT 3404, SMA SC-CP-XT 3406, SMA SI-US W853, SMA SI-US W863, SMA SI-US W873, SMA SI-US W883
Schneider Electric: Schneider Electric CL125 040
Solis: Solis 1P-4G-US OV-DC, Solis 3P-5G-US OV-DC01/02/03/04, Solis RHI-1P-HV OV-DC01/02/03/04, Solis S5-GC OV-DC, Solis S6-EH1P OV-DC01/02/03/04, Solis S6-EH2P OV-DC01, Solis S6-EH2P OV-DC02, Solis S6-EH3P30-60K OV-DC01, Solis S6-EH3P30-60K OV-DC02, Solis S6-EH3P75-150K OV-DC01, Solis S6-EH3P75-150K OV-DC02, Solis S6-GC OV-DC, Solis S6-GU OV-DC
Yaskawa Solectria: Yaskawa Solectria PVI-14-20TL PV1 (2) VoltOver, Yaskawa Solectria PVI-25TL-R PVVoltOver, Yaskawa Solectria PVI-TL PV1 (2) VoltOver, Yaskawa Solectria SGI-XTM DC Volt High

Claims

`defined_in`

c1 drafted · lead STP33-62-US-41-BA-en-14

STP33-62-US-41-BA-en-14 sec=h258 h=33883a354598
STP33-62-US-41-BA-en-14 sec=h260 h=587cea85589b

`reports`

c2 drafted · lead DC overvoltage

STP33-62-US-41-BA-en-14 sec=h258 h=33883a354598
STP33-62-US-41-BA-en-14 sec=h260 h=587cea85589b

`affects`

c3 drafted · lead PV array

STP33-62-US-41-BA-en-14 sec=h258 h=33883a354598
STP33-62-US-41-BA-en-14 sec=h261 h=5bf6ccea6e5e

`detected_by`

c4 drafted · lead DC voltage measurement

STP33-62-US-41-BA-en-14 sec=h258 h=33883a354598
STP33-62-US-41-BA-en-14 sec=h261 h=5bf6ccea6e5e

review note: support check: partial - Checking DC voltage is instructed but detection by DC voltage measurement is not explicitly stated.

`mitigated_by`

c5 drafted · lead String voltage margin design

When DC voltage exceeds the inverter maximum input voltage

STP33-62-US-41-BA-en-14 sec=h258 h=33883a354598
STP33-62-US-41-BA-en-14 sec=h261 h=5bf6ccea6e5e

c6 drafted · lead Contact manufacturer service

Escalation if the message recurs frequently

STP33-62-US-41-BA-en-14 sec=h258 h=33883a354598
STP33-62-US-41-BA-en-14 sec=h261 h=5bf6ccea6e5e

`has_event_class`

c7 drafted · lead Fault (device stops or needs intervention)

STP33-62-US-41-BA-en-14 sec=h258 h=33883a354598
STP33-62-US-41-BA-en-14 sec=h260 h=587cea85589b
STP33-62-US-41-BA-en-14 sec=h261 h=5bf6ccea6e5e

review note: support check: partial - Overvoltage that can destroy the inverter and immediate disconnect imply a fault, but no explicit classification.

`has_recovery`

c8 drafted · lead Manual reset (operator restarts or acknowledges)

Operator disconnects, verifies DC voltage and reconnects; service if frequent

STP33-62-US-41-BA-en-14 sec=h258 h=33883a354598
STP33-62-US-41-BA-en-14 sec=h261 h=5bf6ccea6e5e

review note: support check: partial - Manual disconnect/check/reconnect is described, but no explicit manual reset is stated.

`applies_to`

c9 drafted · lead Sunny Tripower CORE1-US

STP33-62-US-41-BA-en-14 sec=h258 h=33883a354598
STP33-62-US-41-BA-en-14 sec=h260 h=587cea85589b

Data