However, this is almost never the case. Air Conditioner Temperature Control Board, Frigidaire Air Conditioner Troubleshooting, Whirlpool Air Conditioner Troubleshooting, Kelvinator Air Conditioner Troubleshooting, Westinghouse Air Conditioner Troubleshooting, Magic Chef Air Conditioner Troubleshooting, KitchenAid Air Conditioner Troubleshooting, Panasonic Air Conditioner Troubleshooting, Hampton Bay Air Conditioner Troubleshooting, Montgomery Wards Air Conditioner Troubleshooting, Friedrich Air Conditioner Troubleshooting. Why won't your HVAC fan turn off? This air conditioner problem can occur on central air conditioning systems or on heat pumps when in cooling mode. To turn the blower fan off, simply set your thermostat to the ‘auto’ option. Running the AC last night and the unit outside ended up making a loud electrical sounds like a rock was bouncing around the fan. Help! Read More. The thermostat reaches the desired temperature, the indoor unit shuts off, the air stops blowing, but the outdoor unit keeps on running. Coronavirus Update: We care about your health and continue to service our customers safely. Dirty condenser coils – Another cause of this could be the condenser coils. These would be the thermostat wires that go to the air conditioner condensing unit. The fan switch on the thermostat is in the auto position, not the on position. The relay board provides voltage to many of the air conditioner components, including the fan motor and compressor. Your furnace and air conditioner simply heat up and cool the air inside of them. All rights reserved. This air conditioner problem can occur. Give it a good ten seconds and then kick it back on. Turn off the compressor at the disonnect switch and then tear into the outside compressor, find … Here are the most common reasons your AC compressor won’t turn off – and the parts. 1. Check your thermostat to see if the actual temperature in the space is below the set point. The system won’t be cooling your home since both sides of the system need to be operating. Check the condenser coils to determine if they are dirty. ... At Jerry Kelly Heating & Air Conditioning, we’re all about solutions. If the thermostat is not calling for cooling, there will be no voltage present. It is as if I had gone to the circuit breaker and cut the power to the whole HVAC system, but I didn't. Below are the most common reasons your AC won’t turn on. AC unit won't turn on: both inside blower fan and outside fan unit won't turn on. Check across the fan terminals. The condenser coils dissipate the heat as the refrigerant passes through the coils. so that you can fix an ac unit that runs constantly and does not shut off. This problem may be periodic. If the outside unit stops working, but the inside unit is still running, with the blower fan operating, you’re still out of luck. As debris builds up on the coils, the air conditioner will become less efficient, causing the air conditioner to work harder to cool down. Keep in mind, you're not just cooling the air, you're also cooling the contents etc. The thermostat monitors the temperature of the air. Before you replace the main control board, make sure you check more commonly defective parts. Here are a few of the things that could be causing your AC to run constantly. If the thermostat is defective, it may cause the compressor to run continuously. Your blower fan is what pulls the uncomfortable air out of your home, sends it through the air conditioner or furnace, and then distributes it back into your home. This is especially common during the summer months when temperatures rise and your air conditioner unit is working hard to keep you cool. If there is a problem with the control board, it might not stop providing power to the compressor. Wednesday, August 21st, 2013 at 8:15 pm | Categories: Air Conditioning I then turned the thermostat to OFF and the sound outside then stopped. Coronavirus Update: We care about your health and continue to service our customers safely. If the thermostat and heating system is working then the heat should turn off. If your blower fan is continuing to run after the system has already turned off and you made sure your thermostat isn’t set to the ‘on’ position, then you’ll want to … |, Join our email list for event updates and specials. 4 Signs That You Need To Replace Your Air Conditioning System, How Indoor Air Quality Can Affect Your Air Conditioning, Springfield air conditioning repair technicians, “My Heater Is Drying Out My Air, What’s Wrong With It?”, Heed These Signs of a Furnace in Disrepair. This will be a set of contacts that are normally open. Problem: You are running your air conditioner and even when your system cools to the set temperature, the outdoor unit continues to run and just won’t shut off.The indoor unit may freeze up into a solid block of ice. To determine if the thermostat is defective, set the air conditioner to cooling and then use a multimeter to test the thermostat for continuity. If the thermostat has shorted out, it might send continuous voltage to the compressor and cause the compressor to run all the time. This will likely cause it to run constantly as it tries unsuccessfully to exhaust the heat. Locate the fan relay. 5.0 Rating. I have all the switches on the thermostat on "off", but it just keeps going. If the condenser coils are dirty, clean them. There are a couple different causes of this problem, so call our Springfield air conditioning repair technicians at Comfort Flow Heating is you’re having any problems with your air conditioning system. Because it is too small, it won’t be able to circulate enough air so it will run all the time. Why Won’t My Heat Pump Turn Off? If the fan continues to run, there could be a problem in the thermostat or the wiring. As debris builds up on the coils, the air conditioner will become less efficient, causing the air conditioner to work harder to cool down. Refer to your air conditioner’s wiring diagram for more information.). In the heating mode (if it's a heat pump) it could eventually shut off on … If the outside unit still isn't running after you try these steps, contact Rescue Air Heating and Cooling immediately. Enter model number to search for the required part specific to your product, Browse our parts categories to select from a variety of parts for your product. Main control – Your air conditioning system has a control board in it that provides the power to the compressor and the fan motors. Changed every month and this problem just started 2 days ago are faulty, they won ’ turn! 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