If your commercial refrigerator starts making strange sounds, don’t ignore it. Many business owners in food service contact Appliance Repair Escondido when their units get noisy without warning. These sounds can point to small issues, but if left unchecked, they often lead to expensive repairs or equipment failure.
Technicians from Appliance Repair Escondido often diagnose common fridge noises quickly because each sound usually ties to a specific problem. Understanding what each noise means can help you take action early and avoid downtime in a busy kitchen.
Buzzing or Humming
A constant buzz often comes from the compressor. If the sound is louder than usual or doesn’t stop, it might be overworking. This can happen if the unit isn’t cooling properly or if the coils are dirty. A loud hum could also mean the fan motor is straining, especially if the airflow feels weak inside the fridge.
Clicking
Frequent clicking sounds usually point to electrical parts cycling on and off too often. The start relay, which helps kick the compressor into gear, could be failing. Clicking can also mean the compressor is trying to start but can’t. If this happens, the fridge might not cool at all, and you’ll need to call a technician fast.
Rattling
Loose parts are the most common reason for rattling. Shelves, fan blades, or back panels might vibrate if they aren’t secure. Another cause is debris stuck near the condenser fan or evaporator fan. If the rattling is from inside the unit, check that nothing is touching the fan or blocking air circulation.
Hissing or Gurgling
These sounds usually come from the refrigerant flowing through the lines. Some hissing is normal, especially right after the compressor turns off. But if the noise is new or louder than usual, it could mean there’s a refrigerant leak. Gurgling might also come from a clogged or restricted drain line.
Squealing or Screeching
If you hear squealing, the fan motor bearings could be wearing out. Screeching usually means something more serious, like a motor beginning to fail. These sounds often grow louder with time and should be checked right away to avoid a full breakdown.
What Should You Do?
The moment you hear something unusual, inspect the fridge. Look for visible dust, loose panels, or blocked vents. Clean the condenser coils and make sure the doors seal properly. If the noise continues, shut off the unit and call a service technician.
Prevention Is Key
Routine maintenance prevents most noise-related issues. Schedule cleanings and inspections every 60 days. Make sure all parts are secure and listen for any new sounds during normal operation. Training your staff to report unusual noises early helps you catch problems before they grow.
Strange fridge noises are often early warnings. With fast action and help from Appliance Repair Escondido, you can keep your equipment running quietly and avoid costly surprises.
