The AC compressor is a vital part of your cooling system, responsible for compressing and circulating the refrigerant, which extracts heat from the indoor air and expels it outside. Checking an AC compressor requires a combination of visual inspection, listening for abnormal sounds, and measuring certain electrical and mechanical parameters. While homeowners can perform some basic checks, it is essential to note that diagnosing and repairing AC compressor issues often require the expertise of professionals like Barker Heating and Cooling.

Our HVAC-certified technicians can quickly diagnose any issues your AC compressor may be experiencing and provide top-quality repairs or replacements. We also offer AC Installation in Liberty, MO, so you can be sure you’re getting the most up-to-date and energy-efficient equipment.

Here Are Some Steps You Can Take To Check Your AC Compressor:

Visual Inspection

To begin, turn off the power to your AC unit from the electrical panel. Look closely at the outdoor condenser unit and inspect for any signs of damage or wear, such as dents, bent fins, or oil stains around the compressor. Additionally, ensure that the unit is free from debris, such as leaves, dirt, or vegetation, which can obstruct airflow and affect compressor performance.

Electrical Checks

Before conducting any electrical checks, ensure that the power to the unit is turned off for safety purposes. Examine the electrical connections leading to the compressor, checking for loose or corroded wires. These can disrupt the electrical flow and impact the compressor’s functionality. Also, inspect the capacitor, a cylindrical component in the outdoor unit, for any signs of bulging, leaking, or damage. Faulty capacitors can adversely affect the compressor’s performance.

Listening For Sounds

Once you have turned on the power to the unit and started the AC system, stand near the outdoor unit and carefully listen for any abnormal sounds from the compressor. Grinding, rattling, screeching, or clanking sounds indicate compressor issues. Unusual sounds can signify mechanical problems within the compressor that require attention.

Measuring Electrical Parameters

It’s essential to exercise caution and possess electrical knowledge when proceeding with this step. Use a multimeter to measure the electrical parameters of the compressor. Measure the voltage across the compressor terminals to ensure it aligns with the manufacturer’s specifications. Additionally, check the compressor’s resistance using the multimeter and compare the readings with the manufacturer’s guidelines to determine if they fall within the acceptable range.
This step provides insights into the electrical health of the compressor.

While these steps can provide a basic understanding of how to check an AC compressor, diagnosing compressor issues accurately and safely often requires the expertise of a trained HVAC technician.

If you suspect any issues with your AC compressor or your cooling system in general, you should reach out to a professional like Barker Heating and Cooling. Our team of skilled technicians will perform thorough inspections, accurately diagnose any compressor issues, and ensure that your AC system operates at optimal performance and efficiency. Call us today for AC services, including AC replacement in Liberty, MO, and the surrounding areas.