c1 drafted · lead SBxx-US-1XP-41-BA-en-12
- SBxx-US-1XP-41-BA-en-12
sec=6.2.16h=66ed380ae9b0
Fault codes › SMA › Sunny Boy 3.0-7.7-US (SBx.x-1SP-US-41)
SMA SB-US-41 1302
Clears
not stated
Decoded
Reports grid loss, phase loss; look at AC cable; confirm with grid voltage measurement; do: AC connection check, grid settings check, grounding conductor check.
What can be behind Grid loss
Failure modes that present as the reported condition, and the tests that tell them apart.
What can be behind Phase loss
Failure modes that present as the reported condition, and the tests that tell them apart.
Defined in
- SBxx-US-1XP-41-BA-en-12 — SMA · page 55 drafted · lead
sec=6.2.16h=66ed380ae9b0
The manufacturer's own cause and corrective text is not reproduced here.
Same condition on other equipment
Same code in other families
Claims
defined_in
reports
- SBxx-US-1XP-41-BA-en-12
sec=h249h=386bbb27f481 - SBSExx-US-50-BE-en-11
sec=h514h=386bbb27f481
c3 drafted · lead Phase loss
- SBxx-US-1XP-40-BA-en-13
sec=h194h=3f7cf298cc7a - STPxx-US-50-BE-en-14
sec=h443h=e314a6e53a42 - SHPxxx-US-21-BE-en-11
sec=h310h=1e5c00decc77
affects
- SBxx-US-1XP-40-BA-en-13
sec=h195h=31f1a10ae8da - SBxx-US-1XP-41-BA-en-12
sec=h250h=f9a04e763a75 - SBSExx-US-50-BE-en-11
sec=h515h=f9a04e763a75 - SHPxxx-US-21-BE-en-11
sec=h311h=12ba84b8cd7e
detected_by
c5 drafted · lead Grid voltage measurement
- STPxx-US-50-BE-en-14
sec=h444h=f910b6ee313a
review note: support check: partial - The passages say the grid monitor detects the unconnected conductors and list AC voltage measurements as corrective steps; they don't…
mitigated_by
c6 drafted · lead AC connection check
- SBxx-US-1XP-40-BA-en-13
sec=h195h=31f1a10ae8da - STPTL-US-10-IA-xx-22
tbl=14.r4h=683394f59a4a - SBxx-US-1XP-41-BA-en-12
sec=h250h=f9a04e763a75 - SBSExx-US-50-BE-en-11
sec=h515h=f9a04e763a75 - STPxx-US-50-BE-en-14
sec=h444h=f910b6ee313a - SHPxxx-US-21-BE-en-11
sec=h311h=12ba84b8cd7e
c7 drafted · lead Grid settings check
- STPxx-US-50-BE-en-14
sec=h444h=f910b6ee313a
c8 drafted · lead Grounding conductor check
- STPxx-US-50-BE-en-14
sec=h444h=f910b6ee313a
has_event_class
c9 drafted · lead Fault (device stops or needs intervention)
- STPTL-US-10-IA-xx-22
tbl=14.r4h=683394f59a4a - STPxx-US-50-BE-en-14
sec=h443h=e314a6e53a42
has_production_effect
c10 verified · fact Trip (production stops)
- STPTL-US-10-IA-xx-22
tbl=14.r4h=683394f59a4a - STPxx-US-50-BE-en-14
sec=h443h=e314a6e53a42
verified by: review-workflowverified on: 2026-10-23
applies_to
c11 drafted · lead Sunny Boy 3.0-7.7-US-41 proposed
- SBxx-US-1XP-41-BA-en-12
sec=6.2.16h=66ed380ae9b0