Solar Lattice

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

SMA SI-US W501

Code
W501
Shown as
Grid reverse current prevented (quick grid disconnection)
Vendor severity
1
Page
214
ID
fc:sma-sunny-island-us-w501
IRI
https://solarlattice.org/kb/fc/sma-sunny-island-us-w501
Status
active
Also known as
W501, w501, SMA W501, Grid reverse current prevented (quick grid disconnection)
Category
Inverters
Class warning drafted · lead
Production stops drafted · lead
Clears not stated

Decoded

Reports reverse power flow.

What can be behind Reverse power flow

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

Defined in

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

Same condition on other equipment

SMA
SMA SI-US W401, SMA SI-US W502, SMA SI-US W503, SMA SI-US W504

Claims

defined_in

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

has_event_class

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

from the Type column

reports

c3 drafted · lead Reverse power flow

has_production_effect

c4 drafted · lead Trip (production stops)

Quick disconnection from the grid prevents reverse current.

applies_to

c5 drafted · lead Sunny Island 4548-US / 6048-US

Data