How Do I Know If My Refrigerator Compressor Is Failing?

The compressor runs, but the fridge isn't cold

A common source of confusion is a refrigerator where the compressor is clearly running — you can hear it and feel it humming — but the interior still isn't getting cold. That doesn't automatically mean the compressor itself is bad; it can also point to a sealed-system refrigerant issue, a blocked condenser coil, or a failing condenser fan. A compressor running constantly without ever cycling off, however, is a stronger sign that the compressor is struggling to keep up or is on its way out.

Sounds and symptoms worth noting

A compressor that clicks repeatedly but never fully starts, one that's unusually hot to the touch, or one that's suddenly much louder than normal are all worth having checked. A refrigerator that used to cycle the compressor on and off periodically but now runs it nonstop is often working harder to compensate for lost efficiency somewhere in the system.

What we check during a diagnostic visit

• Compressor start components and electrical draw
• Condenser coil and fan for airflow restriction
• Sealed system checked for suspected refrigerant issues (EPA-certified only)
• Thermostat and temperature control ruled in or out

Refrigerant handling requires EPA certification by law, so if a sealed-system leak is suspected, that diagnosis needs to come from a certified technician rather than a guess. See our compressor repair page for what the service includes.