Solar Lattice

Fault codes › CPS › CPS SCA100K-T-US-480 / SCA50K-T-US-208

CPS SCA50-100K-T PFault0050

Code
PFault0050
Shown as
Bst hardware overcurrent fault
Page
152
ID
fc:chint-sca-50-100k-t-pfault50
IRI
https://solarlattice.org/kb/fc/chint-sca-50-100k-t-pfault50
Status
active
Also known as
PFault0050, pfault50, CPS PFault0050, Bst hardware overcurrent fault
Category
Inverters
Class fault verified · fact
Production not stated
Clears after a manual reset drafted · lead

Decoded

Reports DC overcurrent; do: inverter restart.

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 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 SB-US-41 3805, 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

Claims

defined_in

c1 drafted · lead CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0

has_event_class

c2 verified · fact Fault (device stops or needs intervention)

verified by: review-workflowverified on: 2026-10-23review note: support check: partial - Row is in a Hardware Faults table and requires intervention (restart), implying fault, but no explicit classification is stated.

reports

c3 drafted · lead DC overcurrent

review note: review: partial - The row states a boost hardware overcurrent, but nothing in the passages says the current is on the DC side, so 'DC…

mitigated_by

c4 drafted · lead Inverter restart

has_recovery

c5 drafted · lead Manual reset (operator restarts or acknowledges)

Power-cycle AC and DC first; contact service if it persists.

applies_to

c6 drafted · lead CPS SCA100K-T-US-480 / SCA50K-T-US-208

Data