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

SMA STP-TL-US 3302

Code: 3302
Shown as: Unstable operation > Abort self-test
Page: 48
ID: fc:sma-stp-tl-us-3302
IRI: https://solarlattice.org/kb/fc/sma-stp-tl-us-3302
Status: active
Also known as: 3302, SMA 3302, Unstable operation > Abort self-test
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=h183 h=2b403acd4c07
- sec=h184 h=ece357161bcb

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 3301, 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 SBSE-US-50 3302

Claims

`defined_in`

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

STPTL-US-10-IA-xx-22 sec=h183 h=2b403acd4c07
STPTL-US-10-IA-xx-22 sec=h184 h=ece357161bcb

`reports`

c2 verified · fact Insufficient DC input power

STPTL-US-10-IA-xx-22 sec=h184 h=ece357161bcb
SBSExx-US-50-BE-en-11 sec=h524 h=bf9b5386b1d8

verified by: review-workflowverified on: 2026-10-23

c3 drafted · lead Insufficient solar irradiance

STPTL-US-10-IA-xx-22 sec=h184 h=ece357161bcb

`affects`

c4 drafted · lead PV array

STPTL-US-10-IA-xx-22 sec=h184 h=ece357161bcb
STPTL-US-10-IA-xx-22 sec=h185 h=4ab884337c82
SBSExx-US-50-BE-en-11 sec=h525 h=2f4e68d48aa0

`has_event_class`

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

STPTL-US-10-IA-xx-22 sec=h184 h=ece357161bcb

review note: support check: partial - Feed-in is interrupted, but fault versus warning is not stated.

`has_production_effect`

c6 drafted · lead Trip (production stops)

STPTL-US-10-IA-xx-22 sec=h184 h=ece357161bcb
SBSExx-US-50-BE-en-11 sec=h524 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=h185 h=4ab884337c82

review note: support check: partial - Waiting for irradiation to increase implies auto-resume but is not explicit.

`mitigated_by`

c8 drafted · lead String configuration correction

Only when the message recurs frequently

STPTL-US-10-IA-xx-22 sec=h185 h=4ab884337c82
SBSExx-US-50-BE-en-11 sec=h525 h=2f4e68d48aa0

`applies_to`

c9 drafted · lead Sunny Tripower TL-US

STPTL-US-10-IA-xx-22 sec=h183 h=2b403acd4c07
STPTL-US-10-IA-xx-22 sec=h184 h=ece357161bcb

SMA STP-TL-US 3302

Decoded

What can be behind Insufficient DC input power

What can be behind Insufficient solar irradiance

Defined in

Same condition on other equipment

Same code in other families

Claims

defined_in

reports

affects

has_event_class

has_production_effect

has_recovery

mitigated_by

applies_to

Data