Troubleshooting Your Goodman AC: Common Issues And How To Fix Them

by HVAC Contributor October 27, 2023, 8:00 am 3k Views

Goodman air conditioners are known for their reliability and efficiency, but like any mechanical system, they can encounter problems from time to time. When your Goodman AC isn’t working as it should, it’s essential to know how to troubleshoot and address common issues. In this article, we will explore the most frequent problems that Goodman AC users face and provide practical solutions for each. We’ll also discuss the presence of a reset button in Goodman AC units and how to use it to restore your system to proper functioning.

Troubleshooting Your Goodman Air Conditioner

Troubleshooting your Goodman air conditioner not only helps you maintain a comfortable living space but also saves you money on unnecessary professional service calls. Let’s delve into some of the most common issues Goodman AC users encounter and how to resolve them.

Common Problems:

AC Not Cooling

Check Thermostat Settings: Ensure that your thermostat is set to “cool” and at a temperature lower than your room temperature.
Clogged Filters: Dirty filters can obstruct airflow and reduce cooling efficiency. Regularly clean or replace filters to maintain optimal performance.
Dirty Coils: Dust and debris can accumulate on the evaporator and condenser coils, reducing their ability to absorb heat. These coils should be cleaned by an HVAC professional to prevent damage.

2. AC is Noisy

Banging Noises: Loose components within the compressor can cause rattling noises. This issue requires professional attention.
Screeching Sounds: Screeching may be attributed to a defective fan motor or damaged fan components. An HVAC technician should address this problem.
Buzzing Noises: Unbalanced or bent fan blades can create buzzing sounds. Seek professional assistance to rectify the issue.
Bubbling Sounds: When drainage pipes have cracks or blockages, you may hear bubbling noises. An expert should handle drainage-related problems.

3. Condenser Fan Not Running

Check the capacitor: A faulty capacitor can cause the condenser fan to stop running. This issue can be related to overheating, power surges, or wear and tear. An HVAC technician should diagnose and replace the capacitor.
Inspect the Contactor Switch: A worn contactor switch can fail to provide voltage to the fan, resulting in it not running. A professional can replace the switch if needed.
Motor Issues: If the motor is defective, it can disrupt the fan’s power flow. In such cases, the HVAC technician can install a new motor.

Solving These Issues

While troubleshooting can address minor problems, major issues are best handled by certified experts who can accurately diagnose and repair them. Here are some tips for addressing common Goodman AC issues:

Probe Thermostat Settings: Ensure the thermostat is set correctly to “cool” and at a suitable temperature.
Regular Filter Maintenance: Clean or replace filters every 30 to 90 days, depending on various factors such as filter type and usage.
Inspect the Fan and Fan Motor: If the fan does not rotate freely, it may be defective and requires professional attention.
Clean the Condensate Drains: Scrub the condensate drains to maintain proper humidity levels in your home.
Clean the Coils: While handling coils should be left to professionals, maintaining a clean area around the outdoor unit can reduce dust buildup.

Annual Maintenance

Schedule annual maintenance with a local HVAC technician to ensure your Goodman AC unit stays in top condition. This service can help identify critical issues that might go unnoticed by an untrained eye and prolong the lifespan of your AC system.

Does Your Goodman AC Have A Reset button?

Yes, a Goodman air conditioner comes equipped with a reset button, typically labeled “Reset Button.” It’s located on the outdoor unit where the tubing connects to the AC. The reset button acts as a high-pressure switch, tripping when the AC overheats or during power surges to protect the unit from damage.

How To Reset Your Goodman AC

If your Goodman AC is not functioning properly, you can use the reset button to reboot the system. Here’s how:

Locate the circuit breaker in your unit’s electrical service panel.
Set the circuit breaker to the “off” position and wait for 20 seconds.
Turn the circuit breaker back to the “on” position.

However, if your AC unit frequently trips the circuit breaker, it may indicate more severe problems, such as exposed wires or loose connections. In such cases, it is advisable to schedule maintenance with an HVAC technician to avoid electrical hazards.

In Closing

Troubleshooting your Goodman AC is essential for maintaining a comfortable living space and saving on unnecessary repair costs. While you can perform some maintenance tasks yourself, it’s crucial to leave more complex issues, such as cleaning coils and addressing motor or capacitor problems, to HVAC professionals. If you’re unsure whether to repair or replace your AC unit, consult with an expert who can provide guidance tailored to your specific situation. By following these guidelines, you can ensure that your Goodman AC continues to provide efficient cooling for years to come.