When Your Outside AC Unit is Not Working, Here’s What to Do
In south Louisiana, with our high temperatures and humidity, this can be a major headache. A functioning air conditioner is crucial for maintaining a comfortable home environment. When your AC unit is not working, it’s important to troubleshoot the issue promptly to restore comfort. In this guide, we’ll help you understand the parts of your AC condenser and the steps to troubleshoot your outside AC unit and get it up and running again.
Understanding Your Outside AC Unit
The outside unit of an AC is usually referred to as a condenser and is a key component of a split-system air conditioner. It is responsible for releasing the heat absorbed from your home’s indoor air to the outside environment. The condenser typically includes a compressor, coils, and a fan. Here’s a breakdown of its main components:
The outside unit of an AC is usually referred to as a condenser and is a key component of a split-system air conditioner
AC Compressor
The heart of the AC system, responsible for circulating refrigerant between the indoor and outdoor units.
Condenser Coils
Dissipates the heat absorbed by the refrigerant, releasing it outside to cool the air inside your home.
Fan
Helps expel the hot air from the condenser coil to the outside environment.
Electrical Components
Includes the control board, capacitors, and wiring that help manage and distribute power to the condenser unit.
Main Causes When Your Outside AC Unit is not Working
Environmental Factors
Extreme weather conditions, such as heatwaves or storms, can strain your AC unit and cause electrical issues within the system. Additionally, debris like leaves and dirt can accumulate around the unit, affecting its efficiency.
Biological Factors
Pests like insects or rodents can cause damage to the wiring or other components of the outdoor unit.
Lifestyle and Maintenance Factors
Neglecting regular maintenance, such as cleaning or replacing filters and scheduling professional inspections, can lead to various AC problems.
Troubleshooting Tips for When Your Outside AC Unit Is Not Working
Safety First
Before you start poking around your AC unit, safety should be your top priority. Turn off the power to the unit to avoid any electrical accidents. This can typically be done via the disconnect box located near the unit or at the main circuit breaker. Additionally, consider wearing protective gear such as gloves and safety glasses. Working around air conditioning systems can be very dangerous, and mistakes can be life-threatening. If you are not experienced with working with electrical devices, you should call a professional for help.
#1 - Examine the Thermostat
One of the first things to do is to check the thermostat settings. Ensure it is set to "cool" and that the temperature is set lower than the current room temperature. Sometimes, the issue lies with the thermostat itself. Make sure it’s functioning correctly and calibrated properly. If your thermostat is outdated or malfunctioning, consider replacing it with a newer, programmable model to improve efficiency and control.
#2 - Check the Circuit Breaker
One of the most common reasons why your outside AC unit is not working is a tripped circuit breaker. A circuit breaker is an electrical safety device that shuts off power to a circuit if it detects an overloaded electrical load. This could be due to a bad electrical connection, an overheated motor, or a short circuit. Locate the circuit breaker panel and find the breaker labeled for the air conditioning unit. If it has tripped, reset it by switching it off and then back on. If the breaker continues to trip, this could indicate a more serious electrical issue, and it might be time to call a professional.
#3 - Inspect the Outdoor Unit
Head outside and take a close look at the unit. Clear away any debris, leaves, or branches that might be obstructing the airflow. Ensure that there is at least a two-foot clearance around the unit for optimal performance. Also, check for any visible signs of damage or wear and tear on the unit.
#4- Check the Condenser Coils
Condenser coils play a vital role in the cooling process. Over time, they can get dirty and reduce the efficiency of your AC unit. To clean the coils, turn off the power and use a garden hose to gently rinse off any dirt and debris. Be careful not to damage the delicate fins on the coils.
#5 - Examine the Fan and Motor
The fan and motor are essential for the operation of the outside unit. Check the fan blades to make sure they are not bent or damaged. Manually spin the fan to see if it moves freely. If there is resistance, the motor bearings might be worn out, which could require professional repair or replacement.
#6 - Inspect the Capacitor
The capacitor is a small but crucial component that helps start the compressor and fan motor. If your AC unit is humming but not running, a faulty capacitor might be to blame. You can test the capacitor with a multimeter or visually inspect it for any bulging or leaks. If it's faulty, replacing it is a relatively simple fix.
#7 - Check the Refrigerant Levels
Low refrigerant levels can cause your AC unit to malfunction. Signs of low refrigerant include ice buildup on the unit and reduced cooling efficiency. If you suspect a refrigerant leak, it's best to call a professional technician, as handling refrigerant requires special equipment and certifications.
#8 - Inspect the Contactors and Relays
Contactors and relays control the electrical flow to the compressor and fan motor. Over time, these components can wear out and fail. If you hear clicking noises but the unit isn’t starting, faulty contactors or relays might be the issue. These parts can be tested and replaced if necessary.
#9 - Check the Air Filter
A clogged air filter can restrict airflow and cause your AC unit to work harder, potentially leading to a breakdown. Check the air filter and replace it if it’s dirty. Regularly changing the air filter can improve your unit’s efficiency and extend its lifespan.
#10 - Call for Professional Help
If your outside AC unit is still not working after trying these troubleshooting tips it might be time to call in the professionals. At Adapt Concepts, our team of experts are ready to diagnose and fix your AC issues quickly and efficiently. Call us today to schedule an appointment and get your comfort back.
Personal Service
Why Customers Call Adapt Concepts When Their Outside AC Unit is Not Working?
Over the years, Adapt Concepts has strategically assembled a team with decades of experience and expertise in the HVAC industry. Our wealth of knowledge empowers us to consistently deliver top-quality products and services, ensuring an exceptional customer experience. We take immense pride in remaining well-versed in the latest advancements in the industry, enabling us to provide guidance for you to make informed decisions about your HVAC system.
What sets us apart is our unwavering commitment to delivering unmatched personal customer service, ensuring that each customer's unique situation is handled with the utmost care and attention. We are proud to maintain an A+ rating with the Better Business Bureau, a testament to our dedication to excellence and customer satisfaction.
Our team of experienced and highly skilled technicians are ready to help with any AC Repairs you may need.
Focused on Creating Customer Value
Experienced AC Repair Technicians
24/7 AC Services in Lafayette & Surrounding Areas
100% Satisfaction Guaranteed
Locally Owned & Operated
Licensed & Fully Insured
If your outside AC unit is not working and you are looking for someone to help get your system up and running fast, give us a call. We would be happy to discuss how we can best serve you.


