Samsung · Air conditioner
C154
Indoor fan motor protection
The indoor fan motor may have entered protection mode because of abnormal voltage or an internal component issue.
Request official service if the code repeats because the fan motor or control board may require inspection.
Possible meaning
The indoor fan motor may have entered protection mode because of abnormal voltage or an internal component issue.
This information is not a professional diagnosis or repair instruction. The same code can mean different things by model, so follow the product manual and official manufacturer guidance first.
This service is not affiliated with or officially operated by the manufacturers shown. Manufacturer names and trademarks are used only to identify products. The information is summarized from official sources, but its meaning may vary by product model and release date.
Official manufacturer sourceVerify with official guidance ↗Official source checked: 2026-08-21