Samsung ductless-mini-split — WindFree 3.0 AR C Error Codes Directory
Complete diagnostic reference for Samsung ductless-mini-split — WindFree 3.0 AR C fault codes. Each code includes official root causes, safety precautions, and affected replacement components.
Samsung WindFree C101 and C102 communication errors
On Samsung WindFree 3.0 AR C systems, C101 and C102 identify failed communication between indoor and outdoor equipment. The service path includes the interconnect cable, its terminal order and continuity, supply conditions, and control boards; the display alone cannot select a part. Applies to: WindFree 3.0 AR C Use this definition only for WindFree 3.0 AR C combinations covered by the cited Samsung service manual. Samsung assigns similar-looking codes differently across RAC, FJM, VRF, and appliance products. Owner-safe checks: Save the exact display, both model plates, first-occurrence timing, and the operating status of any other connected indoor units. Qualified technician: Cable continuity, terminal correction, live communication measurements, and control-board work require a qualified air-conditioning technician.