Controls are not calling for heating or cooling - a thermostat or sometimes electronic control board fault Questions: We have many people ask, “how can I find out why my fan blower motor is not working?” “Why does my fan motor not work when I turn on my furnace or air conditioner?” Answer: I found a real good Youtube video made by ACServicetech that explains the top 10 reasons why fan blower motors will not come on. 5 Common Reasons Why Your Central Air Conditioner Fan Is Not Working. data = {}; … The problem sounds like it is with your blower motor, not your AC system. So, what is the problem here?5) Pulled out the 2A thermal fuse and tested - not responding.ha haaaaaa! Checked for battery at the blower, when the car is running. And not the thermostat since it calls for heat and at that point the fan is under furnace control. } With an issue this way, there's basically no chance to get for any of the cool air inside to advance toward you. Discussion in 'HVAC Heating & Cooling' started by pmhabo, Jul 18, 2011. pmhabo New Member. Vibration or noisy operation would signal the fan blades are likely out of balance. Power may not be making its way through to the fan. (a.addEventListener("DOMContentLoaded",n,!1),e.addEventListener("load",n,!1)):(e.attachEvent("onload",n),a.attachEvent("onreadystatechange",function(){"complete"===a.readyState&&t.readyCallback()})),(r=t.source||{}).concatemoji?d(r.concatemoji):r.wpemoji&&r.twemoji&&(d(r.twemoji),d(r.wpemoji)))}(window,document,window._wpemojiSettings); The blower motor is crucial to the proper function and operation of your HVAC system. A capacitor stores up energy that provides power to your air conditioner’s fans. Any yellow, red or orange indicates dust and dirt buildup on the burner. I have a 2014 Ford F-150 that he blower has stopped working. }; First, you’ll need to know where to look. The 2005 Mercury Grand Marquis has 2 problems reported for air conditioner and heater blower not working. The dimming happens quickly and of short duration. // openAnimationSpeed: how quick the Ajax Content window should be animated (default is 0.3) Coding Courses Fees, For more information on changing the system’s air filter, and how often to do it, take a look at our air conditioner maintenance page. .container,.ww-header-wrapper.fixed {max-width: 1170px;} Check for power at the motor itself. This week we while driving a quick food run, the fan stopped working. data.client_action = 'get_slider_html'; (914) 304 4262 Refer to your air conditioner’s wiring diagram for more information. // obj.aspectratio : The Aspect Ratio of the Container / Media Jde Coffee Beans, Your system continues to operate normally. The thermostat monitors the temperature of the air. If the thermostat is defective, it may prevent the fan from working. } If all the other elements seem to be working but the air conditioner is not functioning, check the thermostat, which may have reset after the power outage. It is likely NOT the blower motor itself. If you can hear the blower motor running but no air coming out of the unit, then it is possible the problem is with the fan belt itself. 117 Posts . If the blade does not turn freely, this indicates that the motor bearings are worn out. Rotated all the PDC relays around, they have the same ID, other than ABS pump. wouldn't have anything to with the blower motor working intermittently . Average failure mileage is 72,150 miles. 03 Eurovan MV Front Blower Motor fan not working (anymore) 06-16-2015 04:29 PM #1. In extreme cases, restricted airflow can cause the entire system to shut down. A couple weeks ago we were backing out the driveway to go out to dinner and noticed that the front AC was not blowing at all, didn't matter if I adjusted the fan speed or temp, the blower motor wasn't on at all. The circulation fan motor has two fan blades: one on either side of the motor. padding: 0 !important; Those are just some of the reasons why your RV AC fan isn’t working. The evaporator coil can freeze up as a result of indoor blower fan malfunction, low refrigerant charge, low outdoor temperatures, or other system malfunctions. The starter relay transmits the power to the compressor from the capacitors. Start by checking your thermostat. Your system’s air filter traps dust, dirt and other airborne pollutants to keep indoor air and internal cooling system components cleaner. A major operation, which can cause the entire unit or do Repair! 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