c1 drafted · lead SBxx-US-1XP-41-BA-en-12
- SBxx-US-1XP-41-BA-en-12
sec=6.2.30h=e03f92120763
Fault codes › SMA › Sunny Boy 3.0-7.7-US (SBx.x-1SP-US-41)
SMA SB-US-41 3902
Class
not stated
Decoded
Reports insufficient DC input power; look at PV array; do: avoiding partial shading, inverter parameter adjustment, string configuration correction, firmware update.
What can be behind Insufficient DC input power
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 60 drafted · lead
sec=6.2.30h=e03f92120763
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 Insufficient DC input power
- SBxx-US-1XP-41-BA-en-12
sec=6.2.30h=e03f92120763 - SBxx-US-1XP-41-BA-en-12
sec=h305h=e2d0be7e71d1 - SBxx-US-1XP-41-BA-en-12
sec=h306h=27c1c9381a5e - SBSExx-US-50-BE-en-11
sec=11.1.33h=42baee9bfdc9 - SBSExx-US-50-BE-en-11
sec=h581h=e2d0be7e71d1 - SBSExx-US-50-BE-en-11
sec=h582h=27c1c9381a5e - STPxx-US-50-BE-en-14
sec=11.1.22h=48dceda5e74b - STPxx-US-50-BE-en-14
sec=h475h=e2d0be7e71d1 - STPxx-US-50-BE-en-14
sec=h476h=27c1c9381a5e
review note: support check: partial - Waiting for DC start conditions implies insufficient DC power but it is not explicitly stated.
affects
- SBxx-US-1XP-41-BA-en-12
sec=h307h=95bb0df6a1e0 - SBSExx-US-50-BE-en-11
sec=h583h=64c1ff830bc2 - STPxx-US-50-BE-en-14
sec=h477h=95bb0df6a1e0
has_production_effect
c4 drafted · lead Trip (production stops)
Feed-in has not started because start conditions are not yet met.
- SBxx-US-1XP-41-BA-en-12
sec=h306h=27c1c9381a5e - SBSExx-US-50-BE-en-11
sec=h582h=27c1c9381a5e - STPxx-US-50-BE-en-14
sec=h476h=27c1c9381a5e
review note: support check: partial - Feed-in conditions not yet fulfilled is stated, but nothing says it is a trip or stops production; it is more…
has_recovery
c5 drafted · lead Auto-reset (clears by itself)
Normal case clears with higher irradiation; frequent recurrence calls for parameter or array checks.
- SBxx-US-1XP-41-BA-en-12
sec=h307h=95bb0df6a1e0 - SBSExx-US-50-BE-en-11
sec=h583h=64c1ff830bc2 - STPxx-US-50-BE-en-14
sec=h477h=95bb0df6a1e0
review note: support check: partial - Passages say wait for higher irradiation but never state the event clears automatically (auto-reset).
mitigated_by
c6 drafted · lead Avoiding partial shading
- SBxx-US-1XP-41-BA-en-12
sec=h307h=95bb0df6a1e0 - SBSExx-US-50-BE-en-11
sec=h583h=64c1ff830bc2 - STPxx-US-50-BE-en-14
sec=h477h=95bb0df6a1e0
c7 drafted · lead Inverter parameter adjustment
When the message appears frequently in the morning.
- SBxx-US-1XP-41-BA-en-12
sec=h307h=95bb0df6a1e0 - SBSExx-US-50-BE-en-11
sec=h583h=64c1ff830bc2 - STPxx-US-50-BE-en-14
sec=h477h=95bb0df6a1e0
c8 drafted · lead String configuration correction
When the message appears frequently at medium irradiation.
- SBxx-US-1XP-41-BA-en-12
sec=h307h=95bb0df6a1e0 - SBSExx-US-50-BE-en-11
sec=h583h=64c1ff830bc2 - STPxx-US-50-BE-en-14
sec=h477h=95bb0df6a1e0
review note: support check: partial - Passages say to ensure the PV module is correctly rated when frequent at medium irradiation, which is only loosely a…
c9 drafted · lead Firmware update
- SBSExx-US-50-BE-en-11
sec=11.1.33h=42baee9bfdc9 - SBSExx-US-50-BE-en-11
sec=h583h=64c1ff830bc2
applies_to
c10 drafted · lead Sunny Boy 3.0-7.7-US-41 proposed
- SBxx-US-1XP-41-BA-en-12
sec=6.2.30h=e03f92120763