You see, in addition to cooling your home, an important function of your air conditioner is to … Instead, it blows back into your house, and, as a result, your AC then has to work ever harder to suck that extra moisture out of the air. Could this be a mis-wired thermostat? the hotter outside the longer it will run, fast check to see how well it works, measure the room temp and the vent temp with a/c running the temp difference should be around 18 degrees. Therefore, when you run the furnace in the winter, the outside unit should not run as it only functions as part of your air conditioning system. 1. a very hot day. Why you can’t afford to ignore your AC running constantly. If these coils are dirty, then your air conditioner runs longer, causing the air conditioner to overheat. 3. central air conditioning unit inside keeps running and will not shut off and blowing out cool air. Make sure you have a clean filter by replacing your air filter every 30-90 days. Condenser coils are refrigerant filled tubes running through your air conditioner’s outside unit. This should be done by a qualified HVAC technician. Listed below are the 3 most common reasons why the blower fan continues to run … One reason an air conditioner runs constantly is that the thermostat is set too low for the outside temperature. A dirty condenser can block the release of absorbed heat from the refrigerant. Signs of this problem: After some investigating, you determine that your outside AC unit isn’t running but the inside is. Our simple troubleshooting tips for addressing the most common reasons can avoid larger problems and keep your home cool as hotter weather resumes. There are several causes for concern beyond the immediate problem. The fan on my Trane outside air conditioning unit is always running. Not only does an over-running AC create cooling issues in the home, it can also increase your electricity costs and put undue stress on the AC unit. 2. One of the most common summertime AC problems: The AC unit runs constantly. The only way to stop it is when I flip off the power at the breaker box. 2. I noticed when we moved into this home in mid-winter, the outside AC unit was constantly running. But if your air conditioning system is running constantly without … Just as with a normal AC unit, refrigerant absorbs heat from one … Be extremely careful around the outside unit, as one potential cause of that symptom is a ground fault in the outside unit's wiring. From time to time, you may notice your air conditioner leaking water outside. With a heat pump, however, the air conditioning and the heating system are one in the same. The following testing process will help you to identify why outside ac unit not turning on. When your air conditioner runs throughout the day and night without shutting off, or if it cycles on and off continuously, there are several causes for concern: Consequence #1: WASTED ENERGY. We receive multiple service calls every winter where customer reports the problem as their indoor blower running continuous, but the technician arrives to find a heating problem with the heat pump. Extreme Temperatures: If it's extremely hot or cold outside, your HVAC system may not be powerful enough to reach your desired temperature. Reply. When I turned the heat off, it still ran. Turn the power off to the airhandler at the service switch. Basically, both issues will cause your system to run constantly since it’s struggling to remove heat from your home. This is a frequent problem caused by the points arcing on start and stop, they sometimes get welded closed. Reason #1: AC Runs Constantly Due to Restricted Airflow. When the a/c is off the fan spins but not too fast, it does goes fast when the a/c is running. Temperature Control or Thermostat Problem. Walking outdoors to find a puddle of water underneath your AC’s condenser unit might be alarming, but it’s important to understand when an air conditioner leaking water is normal and when it may indicate an issue with your unit that requires air conditioner repair services. Your mini-split is simply doing its job as it was intended to. Despite hearing the sound of the AC turning on, your house is not cooling down as it used to. Turnthe ac on let it run 5min. It doesn’t stop completely! Low Outdoor Temperatures. The fix is to replace the contactor. But the contrasting theory states that even if your AC needs to work harder to cool the house in the evening, that still doesn’t waste more than letting the air conditioner run all day. 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 try and pinpoint the issue. 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