When your fridge stops cooling properly, it's stressful. Before you panic or call for service, here are a few simple checks that often fix the problem — or at least help you describe it better to a technician.

1. Check the thermostat

Make sure the temperature setting wasn't accidentally turned too warm. Sometimes knobs get bumped or digital settings change. Set it to the manufacturer's recommended range (usually around 37°F for the fridge, 0°F for the freezer) and give it a few hours.

2. Clean the condenser coils

Dust and dirt on the coils (usually at the back or underneath) reduce efficiency. Unplug the fridge, pull it out carefully, and vacuum or brush the coils. This simple maintenance can restore cooling in many cases.

3. Ensure good airflow

Fridges need space around them to breathe. If it's wedged against the wall or surrounded by cabinets, airflow is restricted and the compressor works harder. Leave a few inches of clearance on the sides and back.

4. Check the door seal

A worn or damaged gasket lets cold air escape. Close the door on a dollar bill — if you can pull it out easily, the seal may need replacement. Clean the gasket regularly with mild soap and water.

If you've tried these steps and the refrigerator still isn't cooling, it's time for a professional diagnosis. Compressor issues, refrigerant leaks, or faulty defrost parts require expert repair.