What might be an indicator of a faulty compressor in a refrigerator?

A faulty compressor in a refrigerator is often indicated by the appliance not cooling properly. The compressor is a critical component responsible for circulating refrigerant throughout the system, which absorbs and releases heat to maintain the desired cooling temperature. When the compressor fails or operates inefficiently, it can no longer effectively circulate the refrigerant, leading to inadequate cooling in the refrigerator and freezer compartments.

While loud noises may suggest various issues, including a problematic compressor, they can also arise from other components, such as the fans or internal mechanical parts. Water leakage could indicate issues with the defrost drain or other components rather than directly pointing to the compressor's condition. Lastly, a light being out typically pertains to the electrical system or bulb itself and does not relate to the cooling function of the refrigerator. Thus, the correct indication of compressor failure is primarily associated with the appliance's inability to maintain proper temperatures.