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Troubleshooting Tips For Common Air Conditioning Problems

Jun 23, 2023

Just like any other appliance, air conditioning systems can encounter problems that can disrupt their performance. But the last thing you want during summer is a malfunctioning AC unit. That's why we've compiled basic troubleshooting tips for common air conditioning issues. In this blog, we'll equip you with the knowledge to identify and resolve these problems.

Insufficient Cooling

Possible Causes:

 

  • Clogged air filters
  • Improperly set thermostat
  • Refrigerant leak
  • Dirty condenser coils

Troubleshooting Steps:


  1. Start by checking the air filters. Clogged filters restrict airflow, reducing the cooling capacity of your unit. Cleaning or replacing the filters can often solve this problem.
  2. Next, verify that your thermostat is set correctly. Make sure it's on cooling mode and set to the desired temperature. If the thermostat is programmed incorrectly, your AC might not function as expected.
  3. If the above steps don't resolve the issue, it's possible that your AC unit has a refrigerant leak or dirty condenser coils. Both of these problems require professional assistance to diagnose and fix.

Air Conditioner Not Turning On

Possible Causes:

 

  • Tripped circuit breaker
  • Faulty thermostat
  • Power supply issues

Troubleshooting Steps:


  1. First, check your circuit breaker to ensure it hasn't tripped. If the breaker has tripped, reset it and see if that solves the problem.
  2. Next, inspect your thermostat. Ensure the batteries are working properly (if applicable). Sometimes, a faulty thermostat can prevent your AC from turning on. If needed, replace the batteries or consider calling a professional to examine the thermostat.
  3. Lastly, verify that your AC unit is receiving power. Check the power supply, including the power cord and outlet. If you're uncertain, it's best to contact a professional technician to assess and resolve the issue safely.

Unpleasant Odours

Possible Causes:

 

  • Accumulated dirt
  • Mould or mildew growth
  • Dead animals inside the unit

Troubleshooting Steps:

 

  1. Foul odours emanating from your air conditioning system can make your living space uncomfortable. Regular cleaning and maintenance can help prevent this issue.
  2. If the odour resembles a musty or damp smell, it could indicate mould or mildew growth. Moisture buildup within the system provides an ideal environment for these microorganisms to thrive. In such cases, professional cleaning and inspection are necessary to eliminate the problem.
  3. In rare instances, the presence of a deceased animal inside the unit may cause a strong, unpleasant smell. If you suspect this is the case, contact a professional technician to remove the animal safely and sanitise the system.

Strange Noises

Possible Causes:

 

  • Loose or damaged components
  • Faulty fan motor
  • Debris in the system

Troubleshooting Steps:

 

  1. Check for loose or damaged components, such as fan blades or loose screws. Tighten or replace them if necessary.
  2. A faulty fan motor might also be the culprit. If you hear a screeching or grinding noise, it's best to have a professional technician inspect and repair the motor.
  3. Furthermore, debris can find its way into your AC system, causing rattling or clicking sounds. Clearing the debris and ensuring proper maintenance can resolve this problem.

Professional Air Conditioning System Repairs In Mackay

With over 15 years of experience in the HVAC industry, Mulherin Air Conditioning Services is the trusted choice for air conditioner repairs in Mackay. Our commitment to delivering 100% customer satisfaction sets us apart. If you're unsure about the specific problem with your air conditioner, our diagnostic services will help you identify and effectively fix the issue. Contact us for a free quote!

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