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help - my system isn't cooling!What can I do?
First, you need to get a basic idea of where the problem might be? Is your indoor unit, that part that blows air in your house running? If so, is air coming out of the supply grills? Is the outdoor unit running? Do you see ice build up anywhere on the indoor or outdoor units? Is the fan running on the outdoor unit or do you hear noise but not see any movement?
After inspecting these areas TURN OFF ALL ELECTRICAL POWER TO BOTH UNITS. Safety is far more important than fixing your system quickly. If you cannot find the correct breakers to Disconnect Power or you do not know how to Disconnect Power call a service technician or use our Professional Locator Button to find someone to help you.
If you can hear the indoor fan running but little or no air is coming out your grills, check the filter inside, or attached to the indoor unit. Look for ice on the unit or excessive water in the drain pan or on the sides of the unit. A little condensation is normal so don't over-react to little bit of dampness on the copper lines or the sides of the unit. A dirty filter can have several consequences including stopping the air from reaching the coil inside and making the coil freeze into a block of ice. The filter itself could be blocking your airflow or ice if it has formed. If you find a dirty filter simply replace it with a new one and leave the unit off for several hours to allow thawing. It would be a good idea to schedule a service inspection by an air conditioning contractor as your coil may now be covered in the dust not captured by your filter and could need cleaning.
Ice on the indoor units copper connections or the outdoor unit is usually a sign of the same dirty filter mentioned above, but not always. A leak in the refrigerant system could show the symptoms and you will have to call a service technician in this case.
If your outdoor unit appears to be running but the indoor unit is not working turn off the thermostat immediately and call a service technician. An outdoor unit working alone can be irreparably damaged.
Check the breakers for the indoor unit and be certain that if you reset them they continue to hold. If the breaker was tripped and you successfully reset it, turn the thermostat back on and consider the developments. It make take a few moments for the the indoor unit and possibly longer for the outdoor unit to come back on as time delays are often built into many units.
When troubleshooting your own system, think about changes you may have made since the last time it worked correctly. Have you moved some furniture that might be blocking the air ducts in your home? Have you purchased and self installed a new thermostat, or other device? Many of the replacement thermostats sold in retail stores are of poor quality and are often unreliable. It is best to have your thermostat upgraded by a professional who can help you choose the one best for you and with quality reputation. If you have added any new devices, remove them and return the system to it's prior condition.
If the system still does not work contact your service company or if you need a COOLING Specialist use our Locator button on this page.
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