Solar Lattice

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

SMA SI-US W946

Code: W946
Shown as: Warning via SiCom: short circuit
Vendor severity: 1
Page: 219
ID: fc:sma-sunny-island-us-w946
IRI: https://solarlattice.org/kb/fc/sma-sunny-island-us-w946
Status: active
Also known as: W946, w946, SMA W946, Warning via SiCom: short circuit
Category: Inverters

Class warning drafted · lead

Production not stated

Clears not stated

Decoded

Reports short circuit.

What can be behind 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 219 drafted · lead
- tbl=156.r13 h=3d6fcdd239fb

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

Same condition on other equipment

SMA: SMA SI-US F930

Claims

`defined_in`

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

SI4548-6048-US-BE-en-21W tbl=156.r13 h=3d6fcdd239fb

`has_event_class`

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

from the Type column

SI4548-6048-US-BE-en-21W tbl=156.r13 h=3d6fcdd239fb

`reports`

c3 drafted · lead Short circuit

Reported by the battery side over SiCom.

SI4548-6048-US-BE-en-21W tbl=156.r13 h=3d6fcdd239fb

review note: support check: partial - Short circuit via SiCom stated; 'battery side' not stated.

`applies_to`

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

SI4548-6048-US-BE-en-21W tbl=156.r13 h=3d6fcdd239fb

Data