Solar Lattice

Fault codes › SMA › Sunny Boy 3.0-7.7-US (SBx.x-1SP-US-41)

SMA SB-US-41 3805

Code
3805
Shown as
Residual current too high
Page
59
ID
fc:sma-sb-us-41-3805
IRI
https://solarlattice.org/kb/fc/sma-sb-us-41-3805
Status
active
Also known as
3805, SMA 3805, Residual current too high
Category
Inverters
Class not stated
Production stops drafted · lead
Clears by itself drafted · lead

Decoded

Reports DC overcurrent; look at PV array; do: string configuration correction.

What can be behind DC overcurrent

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

ABB / FIMER
ABB / FIMER PVS-166-175-TL E001, ABB / FIMER PVS-60-TL E001, ABB / FIMER TRIO-20.0-27.6-TL E001, ABB / FIMER UNO-DM-3.3-5.0-PLUS E001, ABB / FIMER UNO-DM-6.0-PLUS E001
CPS
CPS SCA25KTL-208 PVx Over current, CPS SCA36KTL PVx Over current, CPS SCA50-100K-T Fault4030, CPS SCA50-100K-T PFault0050, CPS SCA50-100K-T Protect0360, CPS SCA50-100K-T Protect0060, CPS SCA50-100K-T Protect0820, CPS SCA50-100K-T Protect0850, CPS SCA50-100K-T Protect0880, CPS SCA50-60KTL PVx Over current, CPS SCH100-125KTL PV Over current, CPS SCH125KTL-AIO PV Over current
Canadian Solar
Canadian Solar 185-255K DC-INTF, Canadian Solar 185-255K OV-DCA-I
Fronius
Fronius Galvo 302, Fronius Primo 302, Fronius Symo 302
SMA
SMA SB-US-40 3801, SMA SB-US-41 3801, SMA SB-US-41 3802, SMA CORE1-US 3801, SMA CORE1-US 3802, SMA CORE1-US 3803, SMA CORE1-US 3805, SMA CORE1-US 3806, SMA CORE1-US 3807, SMA CORE1-US 3808, SMA STP-TL-US 3801-3802, SMA STP-X-US 6406, SMA STP-X-US 6407, SMA SC-CP-XT 3803
Schneider Electric
Schneider Electric CL125 021, Schneider Electric CL125 040
Solis
Solis 3P-5G-US DC-INTF, Solis 3P-5G-US OV-DCA-I, Solis RHI-1P-HV DC-INTF, Solis RHI-1P-HV OV-DCA-I, Solis S6-EH1P DC-INTF, Solis S6-EH1P OV-DCA-I, Solis S6-EH2P DC-INTF, Solis S6-EH2P OV-DCA-I, Solis S6-EH2P OV-DCB-I, Solis S6-EH3P30-60K DC-INTF, Solis S6-EH3P30-60K OV-DCA-I, Solis S6-EH3P30-60K OV-DCB-I, Solis S6-EH3P75-150K DC-INTF, Solis S6-EH3P75-150K OV-DCA-I, Solis S6-EH3P75-150K OV-DCB-I, Solis S6-GC DC-INTF, Solis S6-GC OV-DCA-I, Solis S6-GC OV-DCB-I, Solis S6-GU DC-INTF, Solis S6-GU OV-DCA-I, Solis S6-GU OV-DCB-I

Same code in other families

Claims

defined_in

c1 drafted · lead SBxx-US-1XP-41-BA-en-12

reports

c2 drafted · lead DC overcurrent

affects

c3 drafted · lead PV array

mitigated_by

c4 drafted · lead String configuration correction

Only when the message appears frequently.

has_production_effect

c5 drafted · lead Trip (production stops)

Brief interruption of feed-in.

has_recovery

c6 drafted · lead Auto-reset (clears by itself)

Interruption is brief; resumes on its own.

review note: support check: partial - Brief interruption implies resumption, but not explicit.

applies_to

c7 drafted · lead Sunny Boy 3.0-7.7-US-41 proposed

Data