A failing refrigerator compressor typically makes a loud, repeating click every few minutes, a constant loud buzzing, or a metallic "death rattle". If it’s struggling to start, you may hear a clunk or knocking noise, accompanied by the fridge failing to cool properly.
To tell if a refrigerator compressor is bad, first listen for the "click-then-nothing" sound, check if the fridge struggles to cool, and feel the compressor to see if it’s excessively hot. You can definitively diagnose it by testing the electrical pins with a multimeter or checking the start relay.
Refrigerator compressor replacement typically costs between $350 and $1,250 total, with average repairs landing right around $500 to $700. This wide range depends heavily on your location, the refrigerator's brand, and the specific size of the unit.
Repairing may be the better option if: The compressor is relatively new or still under warranty. Parts are easily sourced and not too expensive. The unit is generally reliable, energy efficient and in good operating condition.
To reset a refrigerator compressor, perform a hard power reset: unplug the fridge (or flip its specific circuit breaker) for 5 to 10 minutes. This allows the compressor’s internal thermal overload switch to cool, clears error codes from the control board, and resets any compressor timing locks.
Yes, unplugging a refrigerator will reset the compressor, as well as the main control board and sensors. This simple power cycle forces the system to reboot, which often clears minor software glitches and allows the compressor's internal thermal overload switch to reset.
The compressor, coils and control board are the most expensive repairs. Your fridge's brand, model and size, plus your location, will impact repair costs. If your refrigerator is more than 6 years old and it will cost you more than half its original price to repair it, consider replacing it instead.
Bottom-freezer refrigerators should be repaired within seven years and considered for replacement after that. Top-freezer refrigerators should be repaired within three years, considered for repair within three to six years, and replaced if older than seven years.
Replacing a refrigerator compressor is generally not recommended for a beginner. It is one of the most advanced appliance repairs, requiring specialized training, a license to handle refrigerant, and hundreds of dollars in professional tools.
A bad air conditioning compressor struggles to pressurize and circulate refrigerant. The most common symptoms include warm or lukewarm air from the vents, loud grinding or squealing noises when the AC is on, the compressor clutch failing to engage, and repeated tripping of your home's circuit breaker or car's AC fuse.
Fridge compressor failure is primarily caused by overheating due to dirty condenser coils, electrical issues (faulty start relay/capacitor), insufficient lubrication, or contaminated refrigerant. These issues force the compressor to work harder, leading to mechanical wear, seized components, or burned-out motor windings.
To test a fridge compressor, you will need a multimeter to check the electrical windings and ground. First, unplug the fridge and locate the compressor behind the lower access panel at the back. Remove the terminal cover, pull off the start relay, and expose the three terminal pins (Common, Start, and Run).
A failing fridge compressor typically emits a loud, persistent buzz, a rapid rhythmic clicking, or a metallic "death rattle". While a normal compressor produces a gentle, low hum, failing units struggle to start and may overheat, causing harsh mechanical, clunking, or vibrating sounds.
15 Signs Your Refrigerator Is Dying (and What To Do About It)
Replacing a refrigerator compressor typically takes 2 to 6 hours of active labor. The exact time depends on the unit's accessibility, whether the old lines need to be flushed (in cases of a motor burnout), and the time required to pull a deep vacuum and recharge the refrigerant system.
No matter how tidy your fridge is, there's probably something in there that should be thrown out. Examples include condiments that have been opened for over 12 months, leftovers older than 4 days, and fresh meat and seafood past their prime.
A failing compressor is not something to be taken lightly. Left untreated, it can lead to more serious issues, like food spoilage or even a complete breakdown of your refrigerator.
The compressor is like the heart of your fridge. If it breaks, it's one of the most expensive parts to replace. Fixing a compressor can cost anywhere from $200 to $650.
Discard refrigerated perishable food such as meat, poultry, fish, soft cheeses, milk, eggs, leftovers, and deli items after 4 hours without power or 2 hours after the temperature rises above 41 °F. At any time, discard spoiled, moldy food and anything that does not look or smell right.
The most common refrigerator problems involve inadequate cooling, excessive noise, and leaks. These issues often stem from clogged coils, worn door seals, or failing internal fans, which can usually be diagnosed and corrected with basic maintenance.
The Amish keep food cold using a variety of off-grid methods, tailored to the strictness of their local church district. Common practices include:
Which refrigerator brand is most reliable? All three of the appliance experts we spoke to for this roundup said Whirlpool and LG were the most reliable refrigerator brands due to their durability, reliability and ease of repairs. Samsung and GE were also mentioned by our experts as high-quality fridges.