Solar Lattice

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

SMA STP-X-US 9034

Code
9034
Shown as
Error in the rapid shutdown system
Page
97
ID
fc:sma-stp-x-us-50-9034
IRI
https://solarlattice.org/kb/fc/sma-stp-x-us-50-9034
Status
active
Also known as
9034, SMA 9034, Error in the 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.

Defined in

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 9034, SMA CORE1-US 9038, SMA STP-X-US 9038

Same code in other families

Claims

defined_in

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

reports

c2 drafted · lead Rapid shutdown failure

affects

c3 drafted · lead PV array disconnect switch

detected_by

c4 drafted · lead DC voltage measurement

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

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

c5 drafted · lead Inverter settings review

Rapid shutdown mode must match the DC disconnection unit used.

c6 drafted · lead PV switch function check

applies_to

c7 drafted · lead Sunny Tripower X US-50

Data