Solar Lattice

Fault codes › SMA › Sunny Tripower 12000-30000TL-US (STP xxxxxTL-US-10)

SMA STP-TL-US 3301

Code: 3301
Shown as: Unstable operation > Generator output too low
Page: 48
ID: fc:sma-stp-tl-us-3301
IRI: https://solarlattice.org/kb/fc/sma-stp-tl-us-3301
Status: active
Also known as: 3301, SMA 3301, Unstable operation > Generator output too low
Category: Inverters

Class fault drafted · lead

Production stops drafted · lead

Clears by itself drafted · lead

Decoded

Reports insufficient DC input power, insufficient solar irradiance; look at PV array; do: string configuration correction.

What can be behind Insufficient DC input power

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

What can be behind Insufficient solar irradiance

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

Defined in

STPTL-US-10-IA-xx-22 — SMA · page 48 drafted · lead
- sec=h181 h=0aa6b1907123
- sec=h182 h=4b30e46f6050

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 E017, ABB / FIMER PVS-166-175-TL W001, ABB / FIMER PVS-166-175-TL W002, ABB / FIMER PVS-60-TL E017, ABB / FIMER PVS-60-TL W001, ABB / FIMER PVS-60-TL W002, ABB / FIMER TRIO-20.0-27.6-TL E017, ABB / FIMER TRIO-20.0-27.6-TL W001, ABB / FIMER TRIO-20.0-27.6-TL W002, ABB / FIMER UNO-DM-3.3-5.0-PLUS E017, ABB / FIMER UNO-DM-3.3-5.0-PLUS W001, ABB / FIMER UNO-DM-3.3-5.0-PLUS W002, ABB / FIMER UNO-DM-6.0-PLUS E017, ABB / FIMER UNO-DM-6.0-PLUS W001, ABB / FIMER UNO-DM-6.0-PLUS W002
Fronius: Fronius Galvo 306, Fronius Symo 306
SMA: SMA SB-US-40 3301-3303, SMA SB-US-40 3901-3902, SMA SB-US-40 9005, SMA SB-US-41 3301, SMA SB-US-41 3303, SMA SB-US-41 3901, SMA SB-US-41 3902, SMA SB-US-41 9005, SMA SBSE-US-50 29254, SMA SBSE-US-50 3302, SMA SBSE-US-50 3303, SMA SBSE-US-50 3901, SMA SBSE-US-50 3902, SMA CORE1-US 9005, SMA STP-TL-US 3302, SMA STP-TL-US 3303, SMA STP-TL-US 3901-3902, SMA STP-TL-US 9005, SMA STP-X-US 3901, SMA STP-X-US 3902
Schneider Electric: Schneider Electric CL125 075
Yaskawa Solectria: Yaskawa Solectria SGI-XTM DC Volt Low, Yaskawa Solectria SGI-XTM Low DC Power

Same code in other families

SMA SB-US-41 3301

Claims

`defined_in`

c1 drafted · lead STPTL-US-10-IA-xx-22

STPTL-US-10-IA-xx-22 sec=h181 h=0aa6b1907123
STPTL-US-10-IA-xx-22 sec=h182 h=4b30e46f6050

`reports`

c2 drafted · lead Insufficient DC input power

STPTL-US-10-IA-xx-22 sec=h182 h=4b30e46f6050
SBxx-US-1XP-41-BA-en-12 sec=h257 h=bf9b5386b1d8

c3 drafted · lead Insufficient solar irradiance

STPTL-US-10-IA-xx-22 sec=h182 h=4b30e46f6050

`affects`

c4 drafted · lead PV array

STPTL-US-10-IA-xx-22 sec=h182 h=4b30e46f6050
STPTL-US-10-IA-xx-22 sec=h183 h=2b403acd4c07
SBxx-US-1XP-41-BA-en-12 sec=h258 h=85a79abe467c

`has_event_class`

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

STPTL-US-10-IA-xx-22 sec=h182 h=4b30e46f6050

review note: support check: partial - Feed-in is interrupted, but the passage does not say whether it is a fault or a warning.

`has_production_effect`

c6 drafted · lead Trip (production stops)

STPTL-US-10-IA-xx-22 sec=h182 h=4b30e46f6050
SBxx-US-1XP-41-BA-en-12 sec=h257 h=bf9b5386b1d8

`has_recovery`

c7 drafted · lead Auto-reset (clears by itself)

Resumes when irradiation rises; if frequent, check array sizing and wiring

STPTL-US-10-IA-xx-22 sec=h183 h=2b403acd4c07

review note: support check: partial - Wait for higher irradiation implies resumption, but auto-reset is not explicitly stated.

`mitigated_by`

c8 drafted · lead String configuration correction

Only when the message recurs frequently

STPTL-US-10-IA-xx-22 sec=h183 h=2b403acd4c07
SBxx-US-1XP-41-BA-en-12 sec=h258 h=85a79abe467c

`applies_to`

c9 drafted · lead Sunny Tripower TL-US

STPTL-US-10-IA-xx-22 sec=h181 h=0aa6b1907123
STPTL-US-10-IA-xx-22 sec=h182 h=4b30e46f6050

Data