What to Do If Your Aircon Stops Working Suddenly

Aircon Repairs

If your aircon stops working suddenly, it can be a frustrating experience, especially during hot weather. However, before calling a professional for repairs, there are several troubleshooting steps you can take to identify and possibly fix the issue yourself. Here's a guide on what to do when your aircon stops working:

1. Check the Power Supply

The first thing to check when your aircon stops working is the power supply. Ensure that the unit is plugged in properly and the power switch is turned on. Sometimes, it's as simple as a loose plug or a tripped circuit breaker that causes the problem.

• Check the Power Cord: Ensure that the AC power cord is not damaged and is securely plugged into the outlet. View more
• Circuit Breaker: Go to your electrical panel and check whether the circuit breaker for your air conditioner has tripped. If it has, simply flip the switch back to the "on" position. If the breaker trips again, there may be an underlying electrical issue, and you may need to call a professional.

2. Inspect the Thermostat Settings

Sometimes, the problem could lie with the thermostat settings, causing the AC to appear as if it's not working.

• Check the Temperature Setting: Ensure that the thermostat is set to a lower temperature than the room temperature. If the room is already at or below the set temperature, the aircon might not kick in.
• Switch to Cool Mode: Double-check that the thermostat is set to “cool” mode (or “air conditioning mode”), not “heat” or “fan-only” mode.

3. Clean the Air Filters

Clogged or dirty air filters are one of the most common causes of AC malfunctions. When air filters are blocked with dust, dirt, or debris, airflow is restricted, making it harder for your aircon to cool effectively.

• Turn Off the Unit: Make sure the unit is off before you start cleaning.
• Remove and Inspect the Filters: Air filters are usually located behind a panel on the front of the unit. Remove them carefully and inspect for dust and dirt buildup.
• Clean the Filters: If the filters are dirty, clean them using warm water and mild soap, or vacuum them to remove the dust. Ensure that the filters are completely dry before reinserting them.

4. Check the Air Vents and Registers

Air vents and registers allow cool air to circulate throughout the room. If these are blocked or closed, your aircon will not be able to function efficiently.

• Ensure Vents Are Open: Make sure all the vents in the room are open and unobstructed. Furniture or curtains blocking the airflow can lead to poor performance.
• Clean the Vents: Dust or dirt can build up inside the vents. Use a vacuum cleaner with a hose attachment to remove dirt from the vents.

5. Examine the Condenser Unit

The condenser is the outside part of your air conditioning system, and it plays a vital role in cooling. If the condenser unit is dirty or obstructed, it could prevent the AC from cooling properly.

• Check for Obstructions: Ensure that the area around the condenser unit is clear of leaves, dirt, or debris. If there are any obstructions, remove them to allow the unit to breathe.
• Clean the Coils: If you notice a buildup of dirt on the coils, you can gently clean them with a soft brush or use a condenser coil cleaner. Be careful not to damage any components.

6. Inspect the Refrigerant Levels

Low refrigerant levels can cause your AC to stop cooling properly or stop working altogether. If the refrigerant is low, it could indicate a leak in the system. While this is a more complex issue, there are a few signs to look out for:

• The icing on the Coils: If you notice ice buildup on the evaporator coils, this could be a sign of low refrigerant or airflow issues.
• Warm Air: If your air conditioner is blowing warm air instead of cold, this could indicate a refrigerant issue.

If you suspect a refrigerant problem, it's best to call a licensed HVAC technician to inspect and refill the refrigerant, as handling refrigerants requires professional training.

7. Reset the Unit

If none of the above steps resolve the issue, you can try resetting the AC. Some modern air conditioning units come with a reset button, or you can disconnect the power supply for a few minutes and then turn it back on.

8. Call a Professional

If you've gone through these troubleshooting steps and your AC still isn't working, it's time to call a professional HVAC technician. Air conditioning systems are complex, and some issues (such as electrical problems, refrigerant leaks, or compressor issues) require specialized knowledge and tools to repair.

Conclusion

A sudden breakdown of your AC can be a nuisance, but by following these steps, you can identify common issues and, in some cases, fix them yourself. Start by checking the power supply, thermostat settings, and filters, and ensure that your vents and condenser unit are clean. If the problem persists, consider consulting a professional to prevent further damage to your system. Regular maintenance, such as cleaning filters and having an annual check-up, can also help prevent future breakdowns.

Contact information:

Call: +65 90235452  (or) Whats App us: https://wa.me/6590235452

11 Mandai Estate, 

Singapore -729908.

Mail ID: info@coolcare.com.sg

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