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Samsung · Split air conditioners · Samsung WindFree AR50F / AR60F / AR70F (wall-mounted split, R32)

C202Communication error (indoor - outdoor)

Name in the manufacturer's documentation (service manual): Communication error (indoor - outdoor)[1]

In plain words (editorial)

Communication error between the indoor and outdoor units. The service manual asks whether the cable between the units is connected correctly and whether the power and communication cables are cross-wired. The checks in the service manual (wiring, sensors, PCBs, refrigerant) are for a qualified air-conditioning technician.

When to call a service technician: Contact an authorised Samsung service technician.

✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.

The Polish page has more detail (plain-language explanation, safe checks, guides): Read in Polish →

Sources

Every statement has a footnote to the document and PDF page. “Quote verified” means the quote was found automatically in the text of that page.

  1. [1] Samsung – Split-type Air Conditioner Service Manual (indoor AR50F/AR60F/AR70F…C1A…NEU, outdoor …XEU), „GEO WIND FREE EU RS9 25R” (RS9 25R (2025-10-01, wg nazwy pliku)) , p. 20 manufacturer document – copy from a distributor quote verified C202
  2. [2] Samsung – Split-type Air Conditioner Service Manual (indoor AR50F/AR60F/AR70F…C1A…NEU, outdoor …XEU), „GEO WIND FREE EU RS9 25R” (RS9 25R (2025-10-01, wg nazwy pliku)) , p. 72 manufacturer document – copy from a distributor quote verified is the cable between the indoor unit and outdoor unit connected correctly?
  3. [3] Samsung – Split-type Air Conditioner Service Manual (indoor AR50F/AR60F/AR70F…C1A…NEU, outdoor …XEU), „GEO WIND FREE EU RS9 25R” (RS9 25R (2025-10-01, wg nazwy pliku)) , p. 72 manufacturer document – copy from a distributor quote verified aren't the power cable and communication cable cross wired?