Solar Lattice

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

SMA SI-US W938

Code: W938
Shown as: Warning via SiCom: Battery undervoltage
Vendor severity: 1
Page: 219
ID: fc:sma-sunny-island-us-w938
IRI: https://solarlattice.org/kb/fc/sma-sunny-island-us-w938
Status: active
Also known as: W938, w938, SMA W938, Warning via SiCom: Battery undervoltage
Category: Inverters

Class warning drafted · lead

Production not stated

Clears not stated

Decoded

Reports battery undervoltage.

What can be behind Battery undervoltage

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.r5 h=a1d54c6223cc

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

Same condition on other equipment

SMA: SMA SI-US F213, SMA SI-US F922

Claims

`defined_in`

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

SI4548-6048-US-BE-en-21W tbl=156.r5 h=a1d54c6223cc

`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.r5 h=a1d54c6223cc

`reports`

c3 drafted · lead Battery undervoltage

SI4548-6048-US-BE-en-21W tbl=156.r5 h=a1d54c6223cc

`applies_to`

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

SI4548-6048-US-BE-en-21W tbl=156.r5 h=a1d54c6223cc

Data