You may have a bad capacitor. Checked continuity of 40 amp blower fuse; it's okay. Make sure the power to your Ac unit is turned off Hook up an Ohm meter to check for the presence of AC current Once you have seen there is no power coming to the fan motor, remove the screws holding the motor and squirrel cage Remove the squirrel cage from the motor. It's free turning when I turn it with a screwdriver (not bound). Reddi Industries does not assume any liability resulting from the provided information. We do our best to provide current and accurate information, but this content could contain errors or information that is not correct for your situation or equipment. AC Fan Not Working Air Conditioner Fan Not Working Inside. You’ll be able to tell that the condenser fan motor is the problem by simply placing your hand on the top of your unit. A bad capacitor is a common A/C problem with a straightforward The motor was getting very hot and would shutdown after about 30 mins. Extreme Temperatures: If it's extremely hot or cold outside, your HVAC system may not be powerful enough to reach your desired temperature. Most fan motors work overtime, especially during the summer months. Common Reasons Your AC Fan Is Not Spinning Start Capacitor Breakdown. So, do not worry if the fan doesn’t immediately start working. The furnace will turn on, and it feels like cooler air coming out of the vents, but when you check actual unit outside, the fan is not running. The good news is, it’s pretty easy to This heavy use results in a significant amount of wear and tear, and eventually, the motor will give out. My AC stopped working this weekend. Matthew Wright has been a freelance writer and editor for over 10 years and an automotive repair professional for three decades specializing in European vintage vehicles. Answer: This problem could be caused by a bad motor run capacitor or a bad fan motor.Do not run your unit with the fan not working (unless it is a heat pump in defrost mode during the winter). Slide a long, thin wooden stick through the fan grate and gently push one of the blades to try to get the fan spinning. When this happens, your air conditioner fan will quit spinning. Check the float switch. If the relay board isn’t working properly, the fan might not run. 6 ways to tell if you air conditioner fan motor might be bad. Adjusting the fan speed can solve the problem. Car AC Not Blowing or Is Your Car AC Fan Not Working? If your car’s AC isn’t blowing air, it could be a problem with your car’s fan. My outdoor fan comes on with the AC unit and runs for about 20-25m and then the fan shuts off while the unit is still running. First make sure there is power to the indoor unit and that a switch or breaker isn't off. The fan works as I hot wired it to the battery last night to make sure it wasn't burned up or whatever and it spun like it should. The fan motor outside gets really hot, but does not run. Otherwise, touching two capacitor terminals at it does to keep it running. I would assume that the compresssor should shut off when it gets hot, but it continued to run. swollen top, leaking fluid, and/or corrosion or rust on the bottom. I hear no compressor noise and the fan doesn't turn on but the motor is hot to the touch and hums. found a bad run cap on fan in furnace . One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. fan won’t start spinning. Condenser Fan Run But Not The Compressor Motor by: Mel It has been very hot in S.E Michigan the last few months Central air unit working fine all along cools nicely. Yesterday afternoon (temps in high 90's for several days)I lost air conditioning again. NOT touch the capacitor terminals or any leaking fluid. That said, if you're able to obtain a high-quality manual, it will pay for itself several times over in guidance. As for the engine coolant temp sensor, if the coolant is not hot enough to make the fan come on, then there is no need for the fan yet and there is no problem. This will help reduce hot or cold spots within your home. After the bad capacitor has been safely removed, replacement is a Step 1: Shut off the power supply to the air conditioner at the disconnect or breaker panel. It’s located on the side of the building near the outdoor A/C unit. I have a lennox G61v-070 furnace and the blower is not working. This may occur if your system is undersized or if it hasn't been maintained. Step 2: Remove the service panel on the A/C unit. working. NOISY electric motor I just have to find the blower relay and its fuse. If all is OK, check your air filter. If you attempt to repair or modify HVAC, plumbing, electrical, or other equipment in your home or business, always consult your equipment’s operating manual first, and only do so if you are qualified. All of these are fairly easy to check. If the relay board isn’t working properly, the fan might not run. Inspect the capacitor. DO ... Over 221 degrees the fan should switch to high. running properly as well as starting it. Check the Fuses, Relays, and Electrical Connections, Troubleshooting Common Condenser Fan Problems, Dodge Grand Caravan Flashing LED Display After Battery Disconnect, What to Do When Your Car Won't Start or Turn Over, Troubleshooting and Fixing Turn Signal Issues, 9 Reasons Your High Beam Headlights Are Not Working, Why Isn’t My Car AC Blowing Cold? The bearings of the motor may need cleaning. likely have a bad start capacitor. If you suspect a faulty run capacitor is the cause of your air conditioner fan not working, contact a professional HVAC service tech. The trouble relates to the blower motor and its activation. If the capacitor is bad, the start winding will not be energized and the motor will not turn. Six reasons your air conditioning fan may not be running: Condenser fan motor failure. So, if the capacitor attached to your fan motor is bad, the If sludge jams the workings, the fan gets stuck or slows down. Pros to setting your thermostat to ON. A layer of grime on the fan blades can also slow it down, so again you may just need a good cleaning. A radiator fan is not very expensive and can cost around $200 – $400. continually attempts to access a failed capacitor, causing major damage. Capacitors are composed of electric devices used to run the electric motor in the condenser unit. If the fan motor gets too hot, it can cause the fan to act up and eventually shut off. The fan needs to run at an optimal speed for the system to function properly. 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