Learning Center » A/C & Heating » What to Do When Your HVAC Unit is Making Loud NoisesWhat to Do When Your HVAC Unit is Making Loud NoisesNo matter what the problem, we’re here to help. Before you call for service, try these simple tips for troubleshooting air conditioners. Is it getting power? Check your fuses or circuit breakers to make sure they don't need to be present Remember, if your home's power is out or disconnected, your system may not work Is the thermostat set correctly? Make sure your thermostat has power Check that your thermostat is set to cooling or heating mode and not set to "off" Make sure the thermostat is set to the right setting and temperature No Heat / Insufficient Heat Do you have a new or newly remodeled home? Was any work done on your fuel or electricity lines recently? Check to see if your gas or electricity has been turned off. If this is the case, having it turned back on may solve the problem. Check to see if your thermostat is on, and what temperature it's set at.

If your thermostat is turned off or set incorrectly, turn on and/or reset thermostat. Check your home's circuits and fuse box. If you have an open circuit breaker or burned-out fuse, switch on the circuit or replace the fuse. Remove any snow drifts resting against your outdoor unit.vrf hvac units Review our list of Heating System Symptoms & Repairsuv lamp ac duct No cooling / Insufficient coolinguv lamp ac duct Check the doors and windows in your home. Close any open doors or windows as cool air may be escaping through them.If your thermostat is turned off or set incorrectly, turn it on and/or reset thermostat. Review our list of Common A/C Compressor Symptoms & Repairs Check around your outdoor unit. If there are any leaves, hedges or property walls butting up against it, your system may have frozen up due to a dirty coil.

Make sure your outdoor unit has 1' of clearance all around it. Check the filters in each of your system components (where applicable). If any of your filters are dirty, consult your manual to clean or replace it. Or call your dealer to do this for you. Check to see if there is any air coming through your vent. Your indoor blower may not be operating. If this is the case, you should contact your dealer. Review our list of Air Flow Symptoms Stale and stuffy air If you have a whole-home air cleaner or air exchanger, make sure it is switched on and its filter is clean. For even more tips on improving your indoor air quality, click here. Review our list of Common Indoor Air Quaility Symptoms Too dry or too much moisture in the air Check to make sure your humidifier is switched on. Many times, homeowners turn off the humidifier at the end of the previous heating season and forget to turn it back on when needed. Make sure your humidifier’s damper or water valve is open.

If it’s closed, consult your manual to open or unclog. Check your humidifier setting and adjust the indoor relative humidity settings to bring greater comfort to your home. Review our list of Whole House Humidifier Symptoms A high pitched sound often, although not always, indicates a lack of return air. Make sure your return and supply vents are open and free of any blockages including furniture. Other noises (e.g., rattling, humming, thumping or scraping sounds) could be a sign of undersized or flimsy duct work, clogged filter or wear and tear on your system’s internal components. If you hear an unusual sound, call your local dealer for service. Review our list of Common AC & Furnace SmellsHow to Troubleshoot a Trane Air Conditioner Fan that Does Not Turn On Trane air conditioners provide central cooling that can turn a hot and muggy day into a cool breeze. If your unit's fan is not working efficiently or at all, however, your unit's overall performance can diminish.

Improper settings, problems with the circuit breaker and freezing condenser coils are some of the common issues likely to interfere with your air conditioner's fan. Before calling an expert, perform a few troubleshooting and maintenance steps. Make your unit is on. Check your thermostat and make sure it is in the "Cool" position. If your thermostat is not working or if you see a low battery warning on your unit's display, insert new batteries into the battery compartment. Check your outdoor unit for signs of water if the fan is still not turning on. Check under the unit and the cold exterior surface of the indoor coil enclosure. If your system has frozen up, turn off your thermostat for one to three hours to see if it unfreezes. Contact a qualified technician if your unit does not unfreeze. Locate your home circuit breaker box. It is usually located in the basement, attic or kitchen. The location varies depending on the house. Turn the circuit breaker off and then turn it back on.

Contact a qualified technician if you do not feel comfortable dealing with the circuit breaker. Check your thermostat's settings if the fan is still not working. If the thermostat is not working, press the "Reset" button to restore the default settings Open the filter compartment on your outdoor unit and remove the filter. Remove dirt and debris. If your filter is damaged, purchase a new one from appliance or hardware stores and insert it into the filter compartment. Replacing the filter varies with different Trane units, so refer to your user manual. Contact a qualified appliance technician if your Trane air conditioner's fan is still not working. Trane Support: Troubleshooting Your Heating & Air Conditioning System before Service or Repair How to Troubleshoot a Trane Air Conditioning Unit. How to Troubleshoot a Trane Air Conditioner Fan that Does Not Turn On.... How to Troubleshoot a Trane Air Conditioner Fan that Does Not Turn On. The Central Air Conditioner Fan Outside Is Not Turning & the Unit Has a Buzzing Sound;

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