Solar Lattice

Fault codes › SMA › Sunny Island 4548-US / 6048-US

SMA SI-US W351

Code: W351
Vendor severity: 1
Page: 213
ID: fc:sma-sunny-island-us-w351
IRI: https://solarlattice.org/kb/fc/sma-sunny-island-us-w351
Status: active
Also known as: W351, w351, SMA W351
Category: Inverters

Class warning drafted · lead

Production not stated

Clears not stated

Decoded

Reports external short circuit.

What can be behind External short circuit

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

Defined in

SI4548-6048-US-BE-en-21W — SMA · page 213 drafted · lead
- tbl=146.r12 h=6782d0b01756

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

Same condition on other equipment

SMA: SMA SI-US W352, SMA SI-US W353, SMA SI-US W354, SMA SI-US W851, SMA SI-US W861, SMA SI-US W871

Claims

`defined_in`

c1 drafted · lead SI4548-6048-US-BE-en-21W

SI4548-6048-US-BE-en-21W tbl=146.r12 h=6782d0b01756

`has_event_class`

c2 drafted · lead Warning (device continues, a condition is flagged)

from the Type column

SI4548-6048-US-BE-en-21W tbl=146.r12 h=6782d0b01756

`reports`

c3 verified · fact External short circuit

Short circuit causes disconnection from external source

SI4548-6048-US-BE-en-21W tbl=146.r12 h=6782d0b01756

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

`applies_to`

c4 drafted · lead Sunny Island 4548-US / 6048-US

SI4548-6048-US-BE-en-21W tbl=146.r12 h=6782d0b01756

Data