Why Your Refrigerator Isn’t Cooling: Common Parts to Check

A refrigerator that isn’t cooling properly can be frustrating and costly, especially in a warm climate like Honolulu. Before you call for professional repair, checking a few key components might help you diagnose the problem. Here are some of the most common parts that could be causing your fridge to lose its cool:

1. Evaporator Fan Motor

The evaporator fan circulates cold air throughout the refrigerator. If this fan fails, the fridge won’t distribute cold air properly. Signs of a faulty evaporator fan include unusual noises or a fridge that’s warm while the freezer remains cold.

2. Condenser Coils

Over time, dust and debris can accumulate on the condenser coils, reducing their efficiency. Dirty coils prevent the refrigerator from releasing heat, making it harder to stay cool. Cleaning these coils regularly with a coil brush or vacuum can help maintain cooling performance.

3. Start Relay

The start relay works with the compressor to kick-start cooling cycles. If it’s defective, the compressor may fail to run, resulting in a warm fridge. You can test for a faulty start relay by checking for burnt smells or rattling sounds when shaken.

4. Temperature Control Thermostat

This thermostat regulates the refrigerator's cooling cycles. A malfunctioning thermostat may prevent the fridge from reaching the desired temperature. Try turning the thermostat knob to see if you hear a click—if not, it may need to be replaced.

5. Compressor

The compressor is the heart of your refrigerator’s cooling system. If it’s not running properly, your fridge won’t cool. A faulty compressor might make clicking sounds but fail to start, or it may run continuously without cooling effectively.

6. Defrost System

A faulty defrost system can cause ice buildup, blocking airflow and reducing cooling efficiency. Components like the defrost timer, heater, or thermostat could be to blame. If you notice excessive frost on the evaporator coils, your defrost system might need servicing.

7. Door Seals (Gaskets)

Worn or damaged door seals can allow warm air to enter, making the fridge work harder to stay cool. Check the gaskets for cracks or gaps, and replace them if they no longer form a tight seal. A simple way to test is by closing the door on a dollar bill—if you can easily pull it out, the seal may need replacing.

Need Replacement Parts?

If you find that any of these components are faulty, replacing them can restore your refrigerator’s cooling function. At PRS Parts Inc. in Honolulu, we offer high-quality appliance parts to get your fridge back in top shape. Contact us today to find the right part for your repair!

Image Credit: Image Source: Epicurious