The motor could be overheating which causes it to cut out. Took out the glove compartment and changed the filter, no change. Like the others every once in a while when the A/C is on and blowing great it just stops, sometimes just for a few seconds, all the way up to a week. I have experienced this with a Q7 fan blower. If you’ve ruled out the above problems, it’s time to head outside to the condensing unit. The technician will do a resistance check by measuring the ohms. Listen for a humming sound that tells you the AC compressor is functioning. If, however, you’re mechanically-inclined and interested in learning some basics about how an AC functions, then keep reading. It's been working for over 6 month's now! If switching on the AC frequently causes the circuit breaker to trip, it’s likely due to a short in the windings. The blower on my AC works normally for a while, then it stop blowing. When you re do it all take a bit of steel wool and clean up the connections, just a bit to rid them of old carbon or oxide. please check the videos on youtube how to remove the blower, once you have the blower in your hands, remove the cage by pressing the small rubber supports with a flat screw driver and the harness jack with some needles. How would I go about troubleshooting this? If you want me to recommend a control board I will need your furnace’s product number. Couple weeks ago the blower stopped working. You won't regret it.”, © 2020 Copyright The Cooling Company. The technician may try to manually kickstart it. Intermittent cooling is often caused by the components of your vehicle’s AC system freezing up. Best test for this is to run it until it stops then check continuity across the clutch coil. I bang (lightly) on the AC on/off blower switch and starts working. Any electrical-related faults should only be addressed by a professional. It retained its class-leading handling as it, along with the fourth and fifth generations, had front double wishbone suspension, the advanced independent suspension inspired by Honda's racing research. After waiting 24 hours I turn on the AC and it blows until cool. @fixedmycar. Some models of air conditioners will include a pressure control in order to avoid damaging the condenser outside. This inactivity can lead to a build-up of dirt or rust that makes it difficult for the fan blades to start rotating again when you switch on the AC at the start of summer. Before what the problem was, the a/c compressor was constantly cycling on/off and the air was just slightly cold. The first time the problem occurred, I thought immediately, it was the blower motor transistor, so I replaced it, as well as the cabin air filter. Posts: 1 Likes Received: 0 Joined: Sep 30, 2015 Ram Year: 2006 Dodge Ram 1500 Engine: Hemi 5.7. It was full a The first step is to check the circuit breaker. Thread starter HarryB; Start date Aug 18, 2011; H. HarryB Premium Member. On the bottom of the fan you'll find 4 small screws. If the AC is still switched on, the electricity that runs through the capacitor can result in a serious electric shock, injury, or even death. Blower motor for AC works intermittently. I second that!!!!! However, low refrigerant is not the cause for an AC which intermittently blows cold air. New part 700.00 - no return if this wasn't the problem. Never try to remove or fix the capacitor yourself. One quirk seems to be that if when turning ignition off, I turn the AC switch off, the blower motor will not come on the next time I crank the truck and turn on the AC. 6. Blower seems to work fine with heater. The rest of the time it works fine. A slow-turning fan will generate weak airflow. It seems to have this problem only with the ac. AC Fan Intermittently Not Working Discussion in 'General Discussions' started by Hunter2551, Sep 30, 2015. At times it will come on as soon as I crank engine, at times it will not come on at all. I have a 2017 GT with 68K. I have a 2001 F250 supercab 4x4 with a 7.3 diesel in it. So I don’t know if it will do it with the air-conditioning too. Cutting out. Therefore, it’s essential to keep it in good condition if you want your air conditioner to work. If you’re like most homeowners, you probably don’t understand the inner workings of your air conditioner. When the fan does work it works great and there are no unusal noises. Take the fan motor to your work station. The blower fan had completely stopped working. “Don't hesitate...just callthem! What’s going on? Because the fan motor is one of the hardest working parts on an air conditioner, it is subjected to a lot of wear and tear that can lead to frequent repairs or replacement. You need two needles or strong pins which you need to insert in the jack from sides of the pins. Blower motor works intermittently. Our trained technicians will have your AC up and running again in no time. Squeeze the top sides in a bit to allow the compartment to swing out and down to reveal the wiring behind. been suffering hot summer no ac hit motor with small Hammer and working like new, 08/09/2019 by I'm now able to run the fan at a low speed and it continuously pumps ice cold air. 2001 Tundra Air Conditioning fan Intermittently Stops I've read the other thread concerning A/C/Heater problems but my problem seems to be different. Intermittently my A/C wont work. It has been getting worse and now it only kicks on when I drive on the freeway for awhile, and sometimes it … Hi, i have a 2000 mazda 626 auto, all others work fine But AC is no good. The rear was blowing and working as it should. if your blower is working but keeps cutting out then there are more chances of a faulty blower. Registered. Either the capacitor is weak on the fan side or the fan motor needs replaced. Outside condenser coils are fairly clean and in decent shape. 2001 Silverado 4.8. Blower Motor on AC/Furnace working intermittently. Has anybody else seen this? July 6, 2015 at 3:57 am #668806. twiggy. It’s happened in the summertime and winter. This can be dangerous and is a job best left to a trained HVAC technician or electrician. If that isn’t the case, it could mean the motor bearings need to be oiled or that the capacitor is failing. If you find that your AC functions properly for only the first few minutes of use, the problem is most likely associated with the A/C compressor clutch . 03/11/2019 by The fan motor is a fairly uncomplicated yet vital part of an air conditioner. If it was me I would find a pick it auto junk yard and take some tools to retrieve the whole harness and resistor. You will find this fits other year Honda cars so have a look before passing a possible vehicle. Waited a few days and it still wasn't working. As a result, electric power to the fan motor doesn’t stop and the fan continues to run. Has there been any leaking from the hoses? xCALIWEBKINGx SNFx. When it doesnt, the problem is that the compressor isnt engaging. Underneath you'll find two more screws on the motor's stainless steel housing. Honda Fit AC fan speed stopped working - 195 reports. Starts and stops itself. When the fan doesn’t start even though the AC is turned on, it can be a clear sign that there’s a fault with the motor. 2 Pages 1 2 > evaporator fan works intermittently. AC Outside Unit - Fan Stops Intermittently. A/C and fan work when car is cold. I'm now able to run the fan at a low speed and it continuously pumps ice cold air. AppliancePartsPros.com » Appliance Repair Help » Refrigerator & Freezer Repair » evaporator fan works intermittently. 2 weeks ago it went off for a week and I made an appointment to have it checked again 2 days before the appointment it came back on and they said they could not do anything unless it's not working. You now have 2 options. Peter charged us only $202, plus performed the work at our home. Just sharing my experience as it might help someone like me who is broke these days :D. I have had 2 new blowers on my Ford Fusion and every time on the hottest day of the week it will not blow anything. Air filter is clean. … Alternatively, a loose wire or connection or a short in the motor windings could be the culprit. Terry Riddle. Remove those too. Air filter is clean. If the AC fan motor is bad or the capacitor is faulty, you should always contact an expert HVAC technician to repair or replace parts. The electrical schematic indicated it has a rheostat for fan speed control I just wanted to be sure that is what you have. When it does work the air is ice cold so to me that rules out the AC itself. Ever since then though, the central air conditioner blows cold only intermittently. Yes those are fine. The fan runs intermittently. All you care about is that it continues to produce that refreshing cold air you rely on to keep your Las Vegas home cool. He found a manual and instructions online. To solve your problem you can purchase either the resistors , the plug harness or both. When the AC runs without the fan circulating air, it can eventually lead to the evaporator coils freezing over. If none of these are the problem, the technician will check the condition of the electrical wiring and the windings to see if it is open or has a short. I took the van to the dealer at which time the front fan was working again and the service manager and a mechanic said they've never heard of the problem and to bring the van back when the fan quits and leave it running. Dirt can creep into the holes of the motor, causing more friction for the inner workings which stresses the motor and causes overheating. Any suggestions? Not sure my wife drives the vehicle and we live in a warmer climate. When an air conditioner begins to fail, the most common thought is that the AC needs a refrigerant recharge. I'm having the exact same problem on 09 Prius. The motor drives the air to cook its own resistors. The wiring repair plug and harness probably another $50. As in prove that somehow they shorted something out - as if. The fan starts up fine, runs fur just under 60 seconds and shuts down for about 20 seconds and turns on again repeating the process. Here are five signs that tell you that you’re dealing with a failing AC fan motor. If your AC has stopped blowing air, has weak airflow, or you hear unusual noises, do a quick inspection of the fan motor. Even though the fan is operating, we recommend that the AC unit should be shut off. I'm in Charlotte and it's been hot and humid here and my AC stays nice and cold. I thought mine were working too but when I actually visually checked them both worked on low but only one worked on high. If you don’t see anything stuck in the condensing unit and the fan blades are turning freely and smoothly, then the likely cause is the fan motor. It will still make noises like the blower fan is running, but no (or very little) air comes out any of the vents, regardless of the output vent setting. As mentioned previously, the fan motor is one of the hardest working components in your air conditioner and wear and tear will eventually take its toll. That’s your cue to turn the system off and call the pros to repair the AC fan motor. 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Wanted to share my experience with the information you have experienced this with a Q7 fan blower relay...