Why aircon cannot on

Think of the sensor as your brain sending impulses to your body. In the same way, this connection is vital for your air conditioner to operate. Check that your unit is getting power or that the fan is functioning by switching on the Fan Only option if your air conditioner has one.

If your air conditioner is not turning on, the thermostat could be defective. Without a working thermostat, your air conditioner will be unable to know when it should turn on and when it should turn off, causing you to be uncomfortable in the sticky heat all day or night long.

Although it might seem obvious, did you check to see that the thermostat is switched on? If this is not the issue, try to replace the batteries to see if anything changes. The condensate drain line could be clogged causing the issue. In order to operate, air conditioning units create condensation, which in turn goes through a drain line. The simple answer to your problem here is to unclog the line.

You could potentially use a shop vacuum or some sort of suction to open it back up again. Alternatively, if your air conditioning unit has a condensate drain pump to perform this function, it could be faulty and what is causing the safety switch to trip. Ensure that you are regularly it is recommended that you do this about every three months clean or replace the air filter in your air conditioning unit. Sometimes the blockage can be removed from the drain line through suction.

The suction from a shop vacuum could help remove a clog in the AC unit's drain line. Another possible cause could be that your system uses a condensate drain pump to remove the water from your home not all systems do. It's possible that the pump isn't working. When the pump stops working the safety switch will trip, shutting the unit down. Consult with Local. Get Quotes from Qualified Local Contractors. Table of Contents. Power Issues.

Reset Air Conditioner. Shut-off Switch. Inside Power Switch. Condensate Drain Line. There's a good chance that the reason your AC unit won't turn on is because of one of these six common problems: Power Issues Thermostat Air Conditioner Needs to be Reset Shut-off Switch Inside Power Switch Clogged Condensate Drain Line As stated above, it's critical that if the problem reoccurs to call a professional to do further troubleshooting.

Check the Thermostat Before calling an air conditioning professional for repair, check that your thermostat is set to cool. Then set the thermostat's temperature setting at least 5 degrees BELOW the current inside temperature. Check the Breakers If your AC unit still does not work, you should check to see if the breaker was tripped. There are 2 places to check : Electrical Panel - Check your main electrical panel to see if there's a circuit breaker "tripped" older homes use a fuse box.

Caution If your air conditioner keeps tripping the circuit breaker or blowing fuses, you may have a more serious problem. Watch the Video. If you suspect a problem, check the following : Check the screen on the thermostat. Your home or business HVAC system is essential to your comfort and wellbeing. Unfortunately, most McKinney, TX, homeowners experience problems with their air conditioning units from time to time.

Remember that some HVAC problems must be handled by a professional to ensure your safety and the integrity of your cooling system.

Most modern air conditioners are designed to offer up to 10 to 20 years of reliable use. However, even the most reliable of air conditioners may stop cooling or suffer from problems from time to time.

If you cannot perform the maintenance yourself, hire a professional to do so. Spending money on maintenance now can save you from big repair bills in the future. Review this information so that you know how to best troubleshoot problems with your unit. Get a Free Estimate When it comes to your AC, preparation is key — and we want to help you be prepared without the headache.

Satisfaction Guaranteed! We had maintenance scheduled but upon returning to our home our upstairs unit was not working. We called Blairs and they responded asap! Quick and professional service. Mike took care problem and offered a better solution that cost less than expected.

Personable and paid attention to detail. Prompt, courteous, friendly, accurate,. Arthur is the one I request each time. As a land Developer, always will Request. Petersburg Air Conditioning St. During the summer, our air conditioners are our lifelines. Without it, we would not be able to escape the stifling Florida heat and humidity.

But before you freak out, there are several things you can do to troubleshoot. Thermostat Issues Your thermostat is your way of communicating with your air conditioner. Circuit Breaker Tripped A common problem is the circuit breaker switching off.