Solar Lattice

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

SMA SI-US E221

Code
E221
Shown as
Status change battery-preservation mode level 1
Page
206
ID
fc:sma-sunny-island-us-e221
IRI
https://solarlattice.org/kb/fc/sma-sunny-island-us-e221
Status
active
Also known as
E221, e221, SMA E221, Status change battery-preservation mode level 1
Category
Inverters
Class informational verified · fact
Production not stated
Clears not stated

Defined in

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

Claims

defined_in

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

has_event_class

c2 verified · fact Informational (status or configuration message)

Battery preservation mode status change event

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

applies_to

c3 drafted · lead Sunny Island 4548-US / 6048-US

Data