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Fault codes › Sungrow › Sungrow SG36/60CX-US

Sungrow SG-CX-US 012

Code
012
Shown as
Excessive leakage current
Page
91
ID
fc:sungrow-sg-cx-us-12
IRI
https://solarlattice.org/kb/fc/sungrow-sg-cx-us-12
Status
active
Also known as
012, 12, Sungrow 012, Excessive leakage current
Category
Inverters
Class fault drafted · lead
Production stops drafted · lead
Clears by itself verified · fact

Decoded

Reports high leakage current; look at AC cable, DC cable.

What can be behind High leakage current

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 E018, ABB / FIMER PVS-60-TL E018, ABB / FIMER TRIO-20.0-27.6-TL E018, ABB / FIMER UNO-DM-3.3-5.0-PLUS E018, ABB / FIMER UNO-DM-6.0-PLUS E018
CPS
CPS SCA25KTL-208 Fault0090, CPS SCA25KTL-208 GFCIErr, CPS SCA25KTL-480 Fault0090, CPS SCA25KTL-480 GFCIErr, CPS SCA50-100K-T Protect0650, CPS SCH100-125KTL Fault0090, CPS SCH100-125KTL GFCIErr, CPS SCH125KTL-AIO Fault0090, CPS SCH125KTL-AIO GFCIErr, CPS SCH200-250K-T Fault0650, CPS SCH200-250K-T GFCIErr, CPS SCH275KTL Fault0090, CPS SCH275KTL GFCIErr, CPS SCH350KTL Fault0090, CPS SCH350KTL GFCIErr
Canadian Solar
Canadian Solar 185-255K ILeak-PRO 01/02/03/04, Canadian Solar 23-28KTL-CT GFCIErr
Huawei
Huawei SUN2000-100KTL-USH0 2051, Huawei SUN2000-25-30KTL-US 318, Huawei SUN2000-45KTL-US-HV-D0 318
KACO new energy
KACO new energy blueplanet TL3 18, KACO new energy blueplanet TL3 78
SMA
SMA SB-US-40 3601, SMA SB-US-41 3601, SMA SBSE-US-50 3601, SMA PEAK3-US 3601, SMA STP-TL-US 3601, SMA STP-X-US 3601, SMA SC-CP-XT 3601
Schneider Electric
Schneider Electric CL125 012, Schneider Electric CL125 056
Solis
Solis 3P-5G-US ILeak-PRO 01/02/03/04, Solis RHI-1P-HV ILeak-PRO 01/02/03/04, Solis S6-EH1P ILeak-PRO 01/02/03/04, Solis S6-EH2P ILeak-PRO01, Solis S6-EH2P ILeak-PRO02, Solis S6-EH2P ILeak-PRO03, Solis S6-EH2P ILeak-PRO04, Solis S6-EH3P30-60K ILeak-PRO01, Solis S6-EH3P30-60K ILeak-PRO02, Solis S6-EH3P30-60K ILeak-PRO03, Solis S6-EH3P30-60K ILeak-PRO04, Solis S6-EH3P75-150K ILeak-PRO01, Solis S6-EH3P75-150K ILeak-PRO02, Solis S6-EH3P75-150K ILeak-PRO03, Solis S6-EH3P75-150K ILeak-PRO04, Solis S6-GC ILeak-PRO, Solis S6-GU ILeak-PRO
Sungrow
Sungrow SG200HX 012, Sungrow SG250HX 12, Sungrow SG350HX 012
Yaskawa Solectria
Yaskawa Solectria PVI-14-20TL GFCI.Err, Yaskawa Solectria PVI-25TL-R Fault0090, Yaskawa Solectria PVI-25TL-R GFCI.Err, Yaskawa Solectria PVI-TL GFCI.Err, Yaskawa Solectria SGI-XTM RCM Warn

Same code in other families

Claims

defined_in

c1 drafted · lead Sungrow 36 60CX-US IOM

c2 drafted · lead Sungrow SG36_60CX-US User Manual Ver17 202411

reports

c3 drafted · lead High leakage current

has_event_class

c4 drafted · lead Fault (device stops or needs intervention)

review note: support check: partial - Fault name and service escalation given, but explicit fault classification is not stated; also auto-reconnects.

has_production_effect

c5 drafted · lead Trip (production stops)

review note: support check: partial - Reconnection after environment improves implies disconnection, but production stop not explicitly stated.

has_recovery

c6 verified · fact Auto-reset (clears by itself)

Reconnects when damp or low-light conditions improve; otherwise check cable insulation, then service.

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

affects

c7 drafted · lead AC cable

c8 drafted · lead DC cable

applies_to

c9 drafted · lead Sungrow SG36/60CX-US

Data