c1 drafted · lead SBxx-US-1XP-40-BA-en-13
- SBxx-US-1XP-40-BA-en-13
sec=h239h=01e258de93a4 - SBxx-US-1XP-40-BA-en-13
sec=h240h=dcdd366c906f
Fault codes › SMA › Sunny Boy 3.0-7.7-US (SBx.x-1SP/1TP-US-40)
SMA SB-US-40 8206
Decoded
Reports operation inhibited; may indicate arc fault; look at DC cable, DC connector; confirm with visual inspection; do: DC wiring check.
What can be behind Operation inhibited
Failure modes that present as the reported condition, and the tests that tell them apart.
- Arc fault nuisance trip drafted · lead
Defined in
- SBxx-US-1XP-40-BA-en-13 — SMA · page 55 drafted · lead
sec=h239h=01e258de93a4sec=h240h=dcdd366c906f
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
c2 drafted · lead Operation inhibited
- SBxx-US-1XP-41-BA-en-12
sec=h405h=01564ae6eb14
indicates
- SBxx-US-1XP-40-BA-en-13
sec=h240h=dcdd366c906f - STPTL-US-10-IA-xx-22
tbl=20.r1h=83339559873d - SBxx-US-1XP-41-BA-en-12
sec=h405h=01564ae6eb14 - Events 8206 and 8210 with STP-US-41
sec=h1h=4223b7d41d2f
affects
- SBxx-US-1XP-40-BA-en-13
sec=h240h=dcdd366c906f - SBxx-US-1XP-41-BA-en-12
sec=h406h=d7fc9b3e4578
c5 drafted · lead DC connector
- SBxx-US-1XP-40-BA-en-13
sec=h240h=dcdd366c906f - SBxx-US-1XP-41-BA-en-12
sec=h406h=d7fc9b3e4578
detected_by
c6 drafted · lead Visual inspection
- SBxx-US-1XP-41-BA-en-12
sec=h406h=d7fc9b3e4578
mitigated_by
c7 drafted · lead DC wiring check
- SBxx-US-1XP-41-BA-en-12
sec=h406h=d7fc9b3e4578
review note: support check: partial - Inspecting DC conductors and connectors for damage is similar to a wiring check, but only partly matches.
has_event_class
c8 drafted · lead Fault (device stops or needs intervention)
- SBxx-US-1XP-41-BA-en-12
sec=h405h=01564ae6eb14
review note: support check: partial - Stops feed-in into operation inhibition suggests a fault, but the classification isn't explicitly stated; it is implied by stopping the device.
has_production_effect
c9 drafted · lead Trip (production stops)
- SBxx-US-1XP-41-BA-en-12
sec=h405h=01564ae6eb14
has_recovery
c10 verified · fact Manual reset (operator restarts or acknowledges)
- SBxx-US-1XP-40-BA-en-13
sec=h241h=c49fd744b7f1 - SBxx-US-1XP-41-BA-en-12
sec=h406h=d7fc9b3e4578 - Events 8206 and 8210 with STP-US-41
sec=h1h=4223b7d41d2f
verified by: review-workflowverified on: 2026-10-23
applies_to
c11 drafted · lead Sunny Boy 3.0-7.7-US-40 proposed
- SBxx-US-1XP-40-BA-en-13
sec=h239h=01e258de93a4 - SBxx-US-1XP-40-BA-en-13
sec=h240h=dcdd366c906f