If your refrigerator is not cooling properly but the light inside is still on, there might be several possible causes for this issue. Here are some troubleshooting steps you can take to identify and potentially resolve the problem:
Check the temperature settings: Make sure the temperature settings are correctly adjusted. The refrigerator should typically be set between 37 to 40 degrees Fahrenheit (3 to 4 degrees Celsius), and the freezer should be set between 0 to 5 degrees Fahrenheit (-18 to -15 degrees Celsius).
Verify the power supply: Ensure that the refrigerator is receiving power properly. Check the power cord and the outlet it's plugged into. If the outlet is not supplying power, try plugging another device into it to confirm.
Clean the condenser coils: Dirty condenser coils can prevent the refrigerator from cooling effectively. Locate the coils (usually at the back or underneath the refrigerator) and clean them with a vacuum cleaner or a brush.
Check the door seal: A faulty door seal can lead to warm air entering the refrigerator, causing it to lose its cooling efficiency. Inspect the door gasket for any signs of wear, damage, or debris. If necessary, replace the gasket.
Ensure proper ventilation: Make sure there is enough space around the refrigerator to allow for proper airflow. Remove any obstructions or items blocking the vents.
Check the evaporator fan: The evaporator fan circulates cold air throughout the refrigerator. Listen for the sound of the fan when you open the door, or gently push the door switch to activate it. If the fan is not running, it might need to be replaced.
Test the compressor: The compressor is responsible for cooling the refrigerator. Listen for a humming sound near the back of the fridge. If you don't hear anything, the compressor may be faulty and require professional repair or replacement.
Look for frost buildup: If there is excessive frost buildup on the freezer coils, it could be a sign of a defrost system problem. This might be due to a faulty defrost timer, defrost heater, or defrost thermostat. Seek professional assistance to diagnose and fix the issue.
If you have tried these troubleshooting steps and the refrigerator still isn't cooling properly, it's best to call a qualified appliance repair technician to diagnose and fix the specific issue with your refrigerator. Attempting complex repairs without proper knowledge can lead to further damage or injury.