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

SMA CORE1-US 9034

Code: 9034
Shown as: Error in Rapid Shutdown System
Page: 55
ID: fc:sma-stp-core1-us-9034
IRI: https://solarlattice.org/kb/fc/sma-stp-core1-us-9034
Status: active
Also known as: 9034, SMA 9034, Error in Rapid Shutdown System
Category: Inverters

Class not stated

Production not stated

Clears not stated

Decoded

Reports rapid shutdown failure; look at PV array disconnect switch; confirm with DC voltage measurement; do: inverter settings review, PV switch function check.

What can be behind Rapid shutdown failure

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

Rapid shutdown device failure drafted · lead

Defined in

STP33-62-US-41-BA-en-13 — SMA Solar Technology · 13 drafted · lead
- tbl=23.r2 h=a15113bcec60
STP33-62-US-41 ops manual — SMA Solar Technology drafted · lead
- tbl=12.r2 h=a15113bcec60
STP33-62-US-41-BA-en-14 — SMA drafted · lead
- tbl=24.r2 h=7e25a82051cf
Event 9034 with STP-US-41 and SB-US-41 — SMA drafted · lead
- sec=h1 h=1ed454275821

The manufacturer's own cause and corrective text is not reproduced here.

Same condition on other equipment

ABB / FIMER: ABB / FIMER PVS-60-TL E103
SMA: SMA SB-US-41 9034, SMA SBSE-US-50 9034, SMA SBSE-US-50 9038, SMA CORE1-US 9038, SMA STP-X-US 9034, SMA STP-X-US 9038

Same code in other families

Claims

`defined_in`

c1 drafted · lead STP33-62-US-41-BA-en-13

STP33-62-US-41-BA-en-13 tbl=23.r2 h=a15113bcec60

c2 drafted · lead STP33-62-US-41 ops manual

STP33-62-US-41 ops manual tbl=12.r2 h=a15113bcec60

c3 drafted · lead STP33-62-US-41-BA-en-14

STP33-62-US-41-BA-en-14 tbl=24.r2 h=7e25a82051cf

c4 drafted · lead Event 9034 with STP-US-41 and SB-US-41

Event 9034 with STP-US-41 and SB-US-41 sec=h1 h=1ed454275821

`reports`

c5 verified · fact Rapid shutdown failure

STP33-62-US-41 ops manual tbl=12.r2 h=a15113bcec60
STP33-62-US-41-BA-en-14 tbl=24.r2 h=7e25a82051cf
SBxx-US-1XP-41-BA-en-12 sec=h435 h=0f9623b7f0ff

verified by: review-workflowverified on: 2026-10-20

`affects`

c6 drafted · lead PV array disconnect switch

STP33-62-US-41 ops manual tbl=12.r2 h=a15113bcec60
STP33-62-US-41-BA-en-14 tbl=24.r2 h=7e25a82051cf
SBxx-US-1XP-41-BA-en-12 sec=h435 h=0f9623b7f0ff

`detected_by`

c7 drafted · lead DC voltage measurement

Standby voltage of switches per string must be below 30 V.

SBxx-US-1XP-41-BA-en-12 sec=h436 h=ab549348ae54
SBSExx-US-50-BE-en-11 sec=h744 h=ab549348ae54
STPxx-US-50-BE-en-14 sec=h628 h=ab549348ae54

review note: support check: partial - The passages say to check the switches' standby voltage is below 30 V, but they don't name DC voltage measurement…

`mitigated_by`

c8 drafted · lead Inverter settings review

Rapid shutdown mode must match the DC disconnection unit used.

SBxx-US-1XP-41-BA-en-12 sec=h436 h=ab549348ae54
SBSExx-US-50-BE-en-11 sec=h744 h=ab549348ae54
STPxx-US-50-BE-en-14 sec=h628 h=ab549348ae54

c9 verified · fact PV switch function check

SBxx-US-1XP-41-BA-en-12 sec=h436 h=ab549348ae54
SBSExx-US-50-BE-en-11 sec=h744 h=ab549348ae54
STPxx-US-50-BE-en-14 sec=h628 h=ab549348ae54

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

`applies_to`

c10 drafted · lead Sunny Tripower CORE1-US

STP33-62-US-41-BA-en-13 tbl=23.r2 h=a15113bcec60
STP33-62-US-41 ops manual tbl=12.r2 h=a15113bcec60
STP33-62-US-41-BA-en-14 tbl=24.r2 h=7e25a82051cf
Event 9034 with STP-US-41 and SB-US-41 sec=h1 h=1ed454275821

SMA CORE1-US 9034

Decoded

What can be behind Rapid shutdown failure

Defined in

Same condition on other equipment

Same code in other families

Claims

defined_in

reports

affects

detected_by

mitigated_by

applies_to

Data