Solar Lattice

Fault codes › SMA › Sunny Boy 3.0-7.7-US (SBx.x-1SP/1TP-US-40)

SMA SB-US-40 1001

Code: 1001
Shown as: L/N swapped > Check connection
Page: 48
ID: fc:sma-sb-us-40-1001
IRI: https://solarlattice.org/kb/fc/sma-sb-us-40-1001
Status: active
Also known as: 1001, SMA 1001, L/N swapped > Check connection
Category: Inverters

Class not stated

Production not stated

Clears not stated

Decoded

Reports AC polarity reversed; may indicate inverter Incorrect Installation; look at AC cable; confirm with grid voltage measurement; do: AC connection check.

What can be behind AC polarity reversed

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

AC wiring error drafted · lead

Defined in

SBxx-US-1XP-40-BA-en-13 — SMA · page 48 drafted · lead
- sec=h190 h=fe675fe7aaee
- sec=h191 h=adf6db4a4ed9

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

Same condition on other equipment

Fronius: Fronius Primo 463, Fronius Symo 463
SMA: SMA SB-US-41 1001, SMA SBSE-US-50 1001, SMA STP-X-US 1001

Same code in other families

Claims

`defined_in`

c1 drafted · lead SBxx-US-1XP-40-BA-en-13

SBxx-US-1XP-40-BA-en-13 sec=h190 h=fe675fe7aaee
SBxx-US-1XP-40-BA-en-13 sec=h191 h=adf6db4a4ed9

`reports`

c2 drafted · lead AC polarity reversed

SBxx-US-1XP-40-BA-en-13 sec=h191 h=adf6db4a4ed9
SBxx-US-1XP-41-BA-en-12 sec=h244 h=794ff9de1b02
SBSExx-US-50-BE-en-11 sec=h503 h=794ff9de1b02
STPxx-US-50-BE-en-14 sec=h432 h=794ff9de1b02

`indicates`

c3 drafted · lead Inverter Incorrect Installation

SBxx-US-1XP-41-BA-en-12 sec=h245 h=9e2dcc04eff8
SBSExx-US-50-BE-en-11 sec=h504 h=9e2dcc04eff8
STPxx-US-50-BE-en-14 sec=h433 h=9e2dcc04eff8

`affects`

c4 drafted · lead AC cable

SBxx-US-1XP-41-BA-en-12 sec=h246 h=4099f25892c4
SBSExx-US-50-BE-en-11 sec=h505 h=4099f25892c4
STPxx-US-50-BE-en-14 sec=h434 h=4099f25892c4

`detected_by`

c5 drafted · lead Grid voltage measurement

SBxx-US-1XP-41-BA-en-12 sec=h246 h=4099f25892c4
SBSExx-US-50-BE-en-11 sec=h505 h=4099f25892c4
STPxx-US-50-BE-en-14 sec=h434 h=4099f25892c4

review note: support check: partial - The passages say to check AC voltages at the inverter connection, which is a corrective step; they don't say the…

`mitigated_by`

c6 drafted · lead AC connection check

Escalate to manufacturer service if the message persists after wiring check.

SBxx-US-1XP-40-BA-en-13 sec=h192 h=d39e62db4d56
SBxx-US-1XP-41-BA-en-12 sec=h246 h=4099f25892c4
SBSExx-US-50-BE-en-11 sec=h505 h=4099f25892c4
STPxx-US-50-BE-en-14 sec=h434 h=4099f25892c4

`applies_to`

c7 drafted · lead Sunny Boy 3.0-7.7-US-40 proposed

SBxx-US-1XP-40-BA-en-13 sec=h190 h=fe675fe7aaee
SBxx-US-1XP-40-BA-en-13 sec=h191 h=adf6db4a4ed9

Data