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Common Air Conditioning Faults & How to Fix Them

Writer: Glen ShawGlen Shaw


Air conditioning systems are essential for maintaining comfort in homes and businesses, but like any equipment, they can develop faults over time. Understanding common issues can help you identify problems early and take action before they become costly repairs. Here are some of the most frequent air conditioning faults and how to address them.


1. Air Conditioner Not Cooling Properly

Possible Causes:

  • Dirty or clogged air filters

  • Refrigerant leaks

  • Faulty compressor

  • Thermostat issues

Solution:

  • Clean or replace air filters regularly

  • Check for refrigerant leaks (requires a professional)

  • Ensure the thermostat is set correctly

  • Schedule a maintenance check-up with GDS Air Conditioning

2. Weak Airflow from Vents

Possible Causes:

  • Blocked or dirty air filters

  • Problems with the blower fan

  • Ductwork obstructions or leaks

Solution:

  • Replace or clean air filters

  • Inspect ducts for leaks or blockages

  • Have a GDS Air Conditioning check the blower motor

3. Water Leaking from the Air Conditioner

Possible Causes:

  • Clogged condensate drain line

  • Dirty evaporator coils

  • Low refrigerant levels causing ice build up

Solution:

  • Clear the condensate drain line

  • Regularly clean coils

  • Contact GDS Air Conditioning check refrigerant levels

4. Unusual Noises Coming from the Unit

Possible Causes:

  • Loose components

  • Fan or motor issues

  • Debris stuck in the system

Solution:

5. Bad Odours Coming from the A/C

Possible Causes:

  • Mould or mildew build up

  • Clogged filters

  • Stagnant water in the system

Solution:

6. Air Conditioner Keeps Turning On and Off (Short Cycling)

Possible Causes:

  • Dirty air filters

  • Oversized A/C unit

  • Low refrigerant levels

  • Electrical issues

Solution:

  • Replace dirty filters

  • Have a GDS Air Conditioning check the system size and refrigerant levels

  • Inspect and repair electrical connections

Preventative Maintenance Tips

  • Change filters every 1-3 months

  • Schedule annual professional servicing

  • Keep the outdoor unit clear of debris

  • Regularly check thermostat settings

If you're experiencing any of these issues, GDS Air Conditioning can help! Our expert team provides installation, repair, and maintenance services to keep your A/C system running smoothly.



 
 
 

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