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Fault codes › Solis › Solis S6-EH3P(75-150)K10-NV-YD-H-US

Solis S6-EH3P75-150K DC-INTF

Code
DC-INTF
Shown as
DC hardware overcurrent (1, 2, 3, 4)
Page
117
ID
fc:solis-s6-eh3p-75-150k-us-dcintf
IRI
https://solarlattice.org/kb/fc/solis-s6-eh3p-75-150k-us-dcintf
Status
active
Also known as
DC-INTF, dcintf, Solis DC-INTF, DC hardware overcurrent (1, 2, 3, 4)
Category
Inverters
Class not stated
Production not stated
Clears after a manual reset drafted · lead

Decoded

Reports DC overcurrent; look at DC cable, power board; do: DC wiring check, inverter restart, string isolation, power board replacement, inverter replacement.

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 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 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 Solis_Manual_S6-EH3P(75-150)K10-NV-YD-H-US_V1.0

reports

c2 drafted · lead DC overcurrent

affects

c3 drafted · lead DC cable

c4 drafted · lead Power board

review note: support check: partial - Changing the power board is a listed solution, implying involvement, but it is not stated as the affected component.

mitigated_by

c5 drafted · lead DC wiring check

c6 verified · fact Inverter restart

verified by: review-workflowverified on: 2026-10-23

c7 drafted · lead String isolation

c8 drafted · lead Power board replacement

c9 drafted · lead Inverter replacement

has_recovery

c10 drafted · lead Manual reset (operator restarts or acknowledges)

Restart first; if persisting, isolate faulty MPPT string, then power board or inverter replacement.

review note: review: partial - The cited rows support the note's order (restart, isolate the faulty MPPT string, then replace the power board or inverter), but none…

applies_to

c11 drafted · lead Solis S6-EH3P(75-150)K10-NV-YD-H-US

Data