What happens when a refrigerator compressor goes out?

When a residential refrigerator compressor completely fails and "goes out," the appliance loses its ability to circulate refrigerant gas through the sealed cooling loops, causing internal temperatures in both the refrigerator and freezer to rise rapidly toward room temperature. Warning signs of imminent compressor failure include a loud clicking or buzzing sound from the relay as it tries and fails to start, a compressor housing that feels extremely hot to the touch, or tripping the kitchen circuit breaker repeatedly. Because replacing a sealed system compressor requires specialized HVAC tools, refrigerant recovery certification, and expensive labor, repair costs often approach the price of a new fridge. You can troubleshoot electrical power safely. You can verify compressor failure when multimeter continuity tests confirm ruined internal motor windings.