c1 drafted · lead SI4548-6048-US-BE-en-21W
- SI4548-6048-US-BE-en-21W
tbl=148.r3h=e4c35145bbac
Fault codes › SMA › Sunny Island 4548-US / 6048-US
SMA SI-US W503
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
- SI4548-6048-US-BE-en-21W — SMA · page 214 drafted · lead
tbl=148.r3h=e4c35145bbac
The manufacturer's own cause and corrective text is not reproduced here.
Same condition on other equipment
Claims
defined_in
has_event_class
c2 drafted · lead Warning (device continues, a condition is flagged)
from the Type column
- SI4548-6048-US-BE-en-21W
tbl=148.r3h=e4c35145bbac
reports
c3 drafted · lead Reverse power flow
- SI4548-6048-US-BE-en-21W
tbl=148.r3h=e4c35145bbac
has_production_effect
c4 verified · fact Trip (production stops)
Quick grid disconnection on slave 2.
- SI4548-6048-US-BE-en-21W
tbl=148.r3h=e4c35145bbac
verified by: review-workflowverified on: 2026-10-23
applies_to
c5 drafted · lead Sunny Island 4548-US / 6048-US
- SI4548-6048-US-BE-en-21W
tbl=148.r3h=e4c35145bbac