There is no reason they couldn't tell you this. Maybe keep a separate temperature gauge near so you know what the temp is. Answer: I'm assuming you have a heat pump and the fan may not need to run. I really can’t say for sure because I’ve never spent any time repairing or troubleshooting these. My husband got it to go by starting it manually with a long screw driver. Is this a capacitor problem? Answer: It could be, yes. You can always use a lower amperage fuse but never bigger. It’s been under Warrenty but I don’t think it is anymore. 9Has happened over the years many times). Question: My A/C unit doesn't come on from the thermostat, but I can manually kick it on outside, and it runs perfectly. This capacitor is good, so the top is flat, but if it were broken the area around the terminals would likely be raised like a shaken pop can. If your air conditioner is not blowing cold air, a bad capacitor … Maureen - That's really up to you but since they are only a few dollars perhaps you can keep one on hand in case it does go. It could be a capacitor, or it could be the compressor. What is the problem? Help. fazedbygrace - First, I always recommend making sure the filters are clean. Throwing away a capacitor that hasn't been discharged could cause a fire in your trash can. I checked capacitor. Remove the service panel, locate the start capacitor, and check to see if it's mishapen. You might want to have a tech check this out for you because there could be a situation where one part gets replaced and reveals another issue making it very hard for me to offer any sound advice. I replaced the startup capacitor, and everything seemed fine. Both it and the motor have them. I’m sorry but this would require someone to run significant tests to see what if anything is damaged. Question: I replaced our capacitor a few months ago with a direct replacement and everything worked fine until today. While capacitors are one of the most common causes of air conditioning trouble, replacing them is simple and inexpensive. I can hear a faint buzzing when disconnect is pulled. It's beein a while since you've posted a reply, but if you're still there I've got one for you I didn't find in your list. There also happened to be a bad storm going on at the same time. Does that indicate fuse blown? Make sure the new capacitor matches the specifications of the old one. He said he had to bypass something to make it run nonstop. I reset the breaker.. Or the fuses perhaps? Item #1205180. And we are not getting very good output of air from our vents. Hi Dan, I have window AC, when I turn on power supply to the AC, it's compressor gets start even I don't turn my AC on using PCB or remote, after turning AC on by remote/PCB then fan moter start as usual, but compressor keep running even I set the temperature to 16 to 30 degree celsius. If the compressor is bad, the repair is expensive unless under warranty (in which case the labor still isn't cheap) and if your unit is R22 it's my opinion that repair is not a good idea and time to replace the unit. The one you just bought should be under warranty however so perhaps you try once more and see if you just got a bad part right out of the box. But sometimes it works this is killing me. It would start up for a little while before turning off again. There are several guides on how to swap out a capacitor by yourself, but here are some of the basics to keep in mind: Of course, not everyone feels as comfortable with DIY projects, so there’s no harm in calling a professional Houston A/C repair company to do the work for you. The fuses are fine. Samantha - Sorry but no I can't say what goes in there. Question: The fan of my AC is working, but I hear a buzzing noise when the compressor should turn on, and then it doesn't. You'd be supplying too much of a kick to the parts being fed from it. The capacitor is tested and fine. No ice anywhere. Question: My inside ac unit blower motor went out ... can that make my outside unit stop running as well? What do you think is going on? Keeping your air conditioner's coils clean and your air filter cleaned or changed when needed can keep the running temperature of your unit down, thus helping to keep your own temperature down when the summer comes calling. Your air conditioner has many parts to it, all that play their role in keeping your Houston home comfortable throughout the summer months. That would also mean there is a leak so I'd be sure the leak is repaired prior to spending a bunch of money on adding refrigerant...especially if it's R22. In the heat of the summer, blown capacitors and fuses are a very common cause of air conditioner breakdowns. They either send a jolt to start a motor or send jolts to keep a motor running. When he turned on the unit, it blew out the compressor. The motor likely has a way to reverse it back and is probably labeled on the motor itself. And we can't turn on the AC system. My machine is 15 years old, but it was running well. keep running. It sounds like you're describing a window or thru the wall a/c unit. If the capacitor is shot, the fan can't quite get going from just the 120 volts the motor supplies to it. I went to bed, did not notice extra heat, or anything at all other than teenager has bonus room and attic is accessed in that room and he left light on while gone, so I went up to turn it off (and to make sure no one was in my attic), I noticed immediately that it was cooler inside the attic in GA heat than in house and I know that is an unusual occurrence, normally that rooms AC runs continuously depsite temp inside room because the thermostat is on the attic wall and is always hot (separate unit for bonus room). Air comes out the vents but its not cold. Everything starts, and the fan and compressor run (set to heat since it's winter) the warm air blows out inside. While your air conditioner is running, the capacitor collects and stores energy; in short, it’s like a rechargeable battery. That never happens. You may need to call a technician. My a/c keeps freezing up. I ended up replacing the capacitor myself, but now nothing happens. If yes, then the stat is less like likely the issue. If it’s cold out, then the Fan doesn’t need to run. Locate the start capacitor. Switching off the main fuse and turning it on again after a few minutes and it will do the same thing again, compressor starts once only, no matter the settings... That could be the problem. Do you have ideas? What would you advise to check next? HVACPartsUSA – 80/7.5 Dual Run Capacitor – Oval. Answer: No. This will help keep you from touching another terminal, or possibly having the pliers slip and hit you in the face. Im going check the drain pan safety switch. Or, you got the wiring wrong. When I turn unit off then back on all I hear is a click sound coming from the outside unit. From my Ac Unit please help. I've written many articles on HVAC however so perhaps reading a few of them can give you a better idea of how systems work, what parts do, and either how to fix them or at least understand better what a tech is saying when he comes out and starts telling you what's wrong. The motor may have it's capacitance marked on the rating plate but I'm not sure your compressor will. I just want to reduce the restarting time of my compressor to 2 or 3 minutes..thanks. I fixed that by installing a new whip, or AC weatherproof wires. I took the side cover off (outside) to look for relays and at the capacitor and there is test button with lights blinking say it is in standby. Below I'll go over how to fix this problem yourself. And then there’s no noise. Answer: First, confirm that you have power and see if the breaker is tripped, or if fuses are blown.