Ac Fan And Compressor Not Running
Prior to replacement, the fan would turn on, but not the compressor(and not always)sometimes it. There are a few ways to troubleshoot your HVAC system if your AC is not blowing cold air. Fortunately, more than 80 percent of the compressor problems are preventable. This fan is made of plastic and is sold individually. Took it to a mechanic, they said it was a bad compressor, replaced the compressor and recharged the system, and $1300. Like we mentioned before when we discussed dirty air filters, low airflow causes limited air circulation and a frozen evaporator coil—both of which mean you’re not feeling cold air coming from your AC. The AC stopped working on my mother-in-law's 2002 Town and Country 3. Whether you have a whole-house or one-room air conditioner, don’t make it work harder than it should. The unit inside the house is running, as well as the condenser fan, but the compressor is quiet as a mouse. NEST says no power to Rh line. This indicates the compressor is running but the fan is not. A refrigeration thermometer can be used to see if an air conditioner is working properly. Answer by hrpoorna (155) Its not necessary for an air conditioner fall to be running all the time, unless if room is properly protected by glass to prevent leakage. Condenser Fan Motor Repair for a Goodman Heat Pump. I am having a problem with the new AC since I installed it about a month ago. It's free turning when I turn it with a screwdriver (not bound). Defective parts. If the outside AC unit kicks on but sounds different from usual, this could signal a problem. Two days ago it stopped blowing air. A/C question: My outside unit runs, but no air is being pushed through the vents in the house. You will need a screwdriver, a socket set and a power drill to replace this part. For example, a typical 200 litre fridge uses around 0. "Normally the fan is controlled via a relay that is attached to the power for the AC compressor clutch control. Second, fans in your air conditioner will get dirty. This will occur 2 or 3 times and then the compressor will start. I just got done doing a electric fan swap on mu 03 Chevy silverado. Symptoms: AC set to cold, condenser fan comes on (outside unit) but you don't hear the compressor engage. You must pull the power cord from the wall. Blower motor and fan issues. We have noticed that on trips of more than 30 minutes with the AC on that when returning home and after the AC, fan and ignition are turned off the AC/Heater fan continues to run and in some cases for well over an hour. Both hi fan and lo fan will power the light, yet the compressor relay will not close. It was cold outside and even when I put the AC on the compressor wouldn’t come on. The run capacitor is like a battery within the air conditioner condenser and a key component in healthy air conditioning. I have the same issue. For home air conditioning systems that use dual run/start capacitors they will have 3 terminals. It does not run when manually spun if the AC is off. The AC unit won’t run efficiently if either burns out. The run capacitor is out. Go ahead and clean your condenser coils, replace or wash your filters and make sure the supply vents are clear of blockages. that's *EXACTLY* what happened to me last fall. Check the safeties. My AC compressor clutch will kick-in with the Old OE FCM but the new fans will not come on. The two most common reasons why a run capacitor may be out are: Age - efficiency and function degrades as its lifespan shortens. Fan cycle control: This is normal if this type of control is based on pressure. There is also a high pressure service port. I turned the engine on, w/ ac full and at coldest, but compressor clutch did not engage, nor was the condenser fan working (main engine fan does work). Call (888) 474-9966 for the best deals on wholesale heat pumps, air conditioning units, mini splits, gas furnaces from Goodman, Rheem, Mitsubishi, Bryant, Gree and more!. The unit will never kick off and continue to pour out the coldest air and freeze up the unit. If you think you may have an issue with the fans in your air conditioner, call Clean Air Act. I looked at the compressor clutch with the engine running and the AC on, and it wasn't spinning. A portable air conditioner would consume this in just 12 hours of continuous operation. IF THE EVAPORATOR FAN IS NOT RUNNING, You may need to pull off the entire evaporator panel as described in section 4-4 to access the fan. Newer luxury cars have thermostats -- you select a temperature, and the control system does the rest -- but most cars simply run the AC compressor the entire time the AC button is activated. If your unit is old, its best to buy a new one to avoid future problems. Below is a list of some common issues to look for when troubleshooting a unit. 4kWh per day, which on a typical Irish electric tariff (19c/kWh) works out at €2. This is a do it yourself repair that took about 20 minutes and this product worked perfectly. An air conditioning contactor is an electrical switch that delivers line voltage to the compressor. Well got an AC not cooling. It was working fine earlier in the day. Condenser fan does not engage with AC switch on dash (switch lights up) and neither does the compressor. If you turn the AC off the fan goes off also. l Wiring l. The system should be on re-circulate, fan on high and temperature set to the lowest setting. To fix this: • Melt the ice using water from a hose; do not try to chip the ice using a hard or sharp object because it may damage the coils. If it's humming continuously, the problem could be the condenser, evaporator or compressor. if the room is open completely the A/C will be wasted so the fan has to run all the time no other goes. Kung Fu Maintenance shows outside air conditioner not running no fan no compressor mysterious contactor test repair video. If all is OK, check your air filter. 2012 Cruze LT ac not working. NEST says no power to Rh line. This indicates the compressor is running but the fan is not. Addendum (6/2/13): If you're in a dry climate, running the air conditioner for a few minutes after the compressor shuts off can help cool the home more efficiently. Note: not all fan motors have oil ports. check power at compressor with test light no juice at idle but when you rev it up to 3,000 to 4,000 rpm the light would start flashing,as the rpm’s went. " Mike, That may be the situation with your Monaco but is not how dash fans work. Start with the fan speed turned to its highest setting. If the outside fan isn't running, unless it's raining on the unit, it won't be able to reject the heat and the line sets would get warmer with each second of run time. There are various reasons behind AC compressor not working:. Speaking of compressors Problem 3: A bad compressor. im wondering will it just keep blowing cold air all the time or will it eventually shut off for a bit. 5 A) in the under-hood fuse/relay box •Poor ground at G301 •Cleanliness and tightness of all terminals. If one fan runs, so should the other – they do not sequence on, or anything fancy. If it is full of debris then I would suspect the compressor has possibly grenaded so then you need to take off the suction line from the compressor inlet and see if any detritus actually went backwards up the line. I hotwired the condenser fan and it works. Don't be ripped off by AC tech's who try to sell you a compressor. my ac fan and compressor not running Yorktown TX 78164 Home » Texas » De Witt » My Ac Fan And Compressor Not Running Yorktown Tx 78164 Rear A/C Units. The other possible technical reasons behind AC not cooling can be a faulty run capacitor of the compressor, defective control board, bad thermistor, choked capillary, faulty motor etc. Regular servicing and maintenance by the professional technicians at Bob’s can reduce the chances of a compressor failure. An AC clutch compressor is a type of compressor that derives its power from the car engine’s flywheel. It can be a tripped breaker that can be flipped back on. Maintaining the condenser fan motor can help to prolong the life of the AC compressor. That is when the fan started to come on more while using the AC did not do this before the compressor was replaced. If you notice that your AC is blowing warm air, being noisy or vibrating when starting, your compressor could be to blame. I've seen it before. The system won't be cooling your home. I have this issue with our X as well. I switched the thermostat to the Off position and the fan continued to run. 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. An air conditioning compressor is the heart of the the unit and can be a real problem if not working. Think of your air conditioner’s compressor like the heart of the machine. I'm suspecting a bad run. Usually a quick fix by replacing the capacitor. Compressor motor protector open. Evaporator fan did come on when jumping across connections 2 (blue to overload and 4 (brown from evap fan) on defrost timer. System has freon in it. Question: I am camping in the grand canyon, no service person available. I would like to know how to prevent it from switching off. The first is that the compressor is not actually running at all. If the outside unit stops working, but the inside unit is still running, with the blower fan operating, you’re still out of luck. Is leaving the AC fan on 24/7 more efficient than leaving it on auto?. Bad AC Compressor Signs. Another problem that may cause your air conditioner fan to not spin might be a belt that has either broken or became loose. Follow these tips for keeping your AC running smoothly, so your home will stay cool all season long. When the home becomes exceptionally warm, the fan in the air conditioning unit turns on to remove some of the hot air from the space. The Yellow wire of sensor 6 must be tested next. To avoid the outside AC unit fan not spinning, preventive maintenance is the best way to go. We do that in several ways. If they are good, check the connector and its wires to the compressor. 1071) Mercedes S 320 Cdi W221 Buy now with 20% discount from Goodspares. If the fan is running then the compressor may not be. The 2006 engine has an intake sensor on top of the evaporator box. A major component of the condenser is a condenser fan motor. - Fan still continuing its cycle and never stops and the temperature inside starts increasing. If you have a noise in the air conditioner compressor that has you stumped, or any other home comfort questions, contact the pros at. When that motor fails your compressor might run for a little while, but it will eventually overheat and shut down. In an air conditioner, capacitors are connected to the three main motors: the compressor motor, the blower motor, and the outdoor fan motor. My A/C was cycling normally after running about 3 hours when it cycled back on the outside compressor came on but the inside handler fan did not come on. Expect to pay $1,000 or more for the cost to replace an air conditioning compressor. We ran the fan on the unit all night long and most likely the compressor was cycling on and off all night. Is your air conditioner blowing but not cooling? Here's a quick rundown of the issue. So when it goes bad it indicates that there is a serious underlying fault that needs to be corrected immediately. One possible problem with a Coleman RV air conditioner could involve the compressor or fan. If there is a voltage present then the clutch is burned up and needs replaced. The air conditioner compressor failure can cause a big dent on the wallets. If your air conditioner is running but not blowing any air and you have inspected the air filter and fan motor and found them okay, then you may have a problem with the control board. Had to flip the breaker. COMPRESSOR WILL NOT RUN, DOES NOT TRY TO START 1. A/C Hoses & Fittings Ac Compressor Pipes (Ref. Failing capacitors are one of the common reasons for malfunctions in an AC. Q: Coolant fans not running when ac is turned on. so if the AC compressor comes on then the fan also starts. When the AC gets the house to desired temperature, the outdoor compressor will shut down, but the house blower continues to run. If the compressor and fan are already running, there's probably not much point in checking it. Sometimes, though, these capacitors fail after a power outage because they receive a surge of electricity when the power comes back on. if the ac stopped working(the fan and the compressor not running), i had to climbed up to the roof just to push that button to make it work again. This article will help you decide on what to do when the AC compressor clutch is not engaging. I would make certain the filter and the coils are clean. This part cools the air compressor and connects to end of the motor shaft to prevent the air compressor from overheating. How do I get it started. The only way to stop it is when I flip off the power at the breaker box. My Coleman unit is only 5 years old. I have this issue with our X as well. If you have a noise in the air conditioner compressor that has you stumped, or any other home comfort questions, contact the pros at. If you see these signs, turn off your AC and call a professional ASAP. The fan runs, but no cold air is coming through the vents. Usually, air conditioners have a dual capacitor that has three terminals on the top, a common, a fan and a hermetic. When your air conditioner won't turn on, it can be frustrating and uncomfortable. Third you check to see if your capacitor is swollen or not. An AC contactor is a $25 mechanical relay that uses low-voltage power from the thermostat to switch 220-volt high-amperage current to the compressor and condenser fan. High atmospheric temperature. And while the fan realy power the test light, the fan on the roof unit does not run. The two fans consume approximately 20% of the total power of an air-conditioning unit, while the compressor consumes 80% of the total power under normal operating conditions. Air conditioning not only cools the boat, but dehumidifies and if you have reverse cycle you can also provide heat in cooler times. So, per my initial observations, I was never really sure when the compressor was on or not, even though the fan was always running. Compressor not working during this cycle. I must unplug the air conditioner to turn the compressor off. Home » Repair Tips » Home air conditioner will not cool - outdoor unit (condenser) not running Dec 12, 17 • News • 3 Comments It is a big deal when the air conditioning goes out on a hot summer day, but there is no need to wait for help to come to you. This will occur 2 or 3 times and then the compressor will start. The "FAN" terminal gets connected to the brown wire that goes to the condenser fan. everything seems to be running except compressor will not start hums then stops. Get KFM's favored Multi-Meter here. It would be lucky if the AC could blow cool air and the compressor could engage. I looked at the compressor clutch with the engine running and the AC on, and it wasn't spinning. And I believe a lot of compressors and entire units have been replaced when the fix is not too difficult. Your Heating, Ventilating, and Air-Conditioning system (HVAC) will consist of either a furnace and AC or a heat pump, which both heats and cools. The motor after running through a cycle should feel warm but not hot. The other possible technical reasons behind AC not cooling can be a faulty run capacitor of the compressor, defective control board, bad thermistor, choked capillary, faulty motor etc. When the thermostat is set to Cool, the Compressor Motor Contactor energizes, the fan attempts to move (about 1/8 rotation). But that action turned off only the blower fan and I could still hear the condenser fan running so I manually tripped the corresponding circuit breaker (dedicated to my heating and cooling system) and went back to bed. Test it by plugging the voltmeter into a receptacle and then turning on the air conditioner. But first, know some facts about an AC clutch compressor. We have a 09 S 60. There are a number of reasons why a compressor is not running. RUUD AC Outside Air Handler fan not running. Another problem that may cause your air conditioner fan to not spin might be a belt that has either broken or became loose. An AC compressor circulates refrigerant. * * * Bullshit #6 If 25°C (77°F) is too warm for you, run an electric fan on high with the AC set no cooler than 25°C. IF THE EVAPORATOR FAN IS NOT RUNNING, You may need to pull off the entire evaporator panel as described in section 4-4 to access the fan. Whether you have a whole-house or one-room air conditioner, don’t make it work harder than it should. The fridge will be far cheaper to run than any air conditioner. hvac01453, the capacitor looks fine and it is silver and oval shaped (ony one capacitor). The unit inside the house is running, as well as the condenser fan, but the compressor is quiet as a mouse. Nissan Altima AC Is Not Working? RepairPal will help you figure out whether it's your AC Refrigerant Leak, Climate Control Electrical Issue, AC Compressor, or something else. It takes much more energy to get the outdoor fan going than it does to keep it running. and check and tighten/torque the compressor motor. How in the world did the person charge the system if the compressor does not start?>?> Could you read the resistance of the fan motor? The other thing is, do you have a battery charger? you could remover the fan motor and power it up that way,if it does not run,thinking its gone bad. This fan is an OEM direct from Craftsman for air compressors. When the home becomes exceptionally warm, the fan in the air conditioning unit turns on to remove some of the hot air from the space. /Failed compressor run capacitor. How do I check the compressor? Using a ohm meter, and the compressor is cool to the touch, and the ac is unplugged, Disconnect the wiring to the compressor and mark where the wires went. • Do not run air conditioner with outside protective cover in place. The run capacitor is out. First, you turn off the power to the air conditioning system. The humming sound may be the sound of the air conditioner fan running. More important than their purpose of. The A/C condenser fan does not run at high speed (but both fans run at low speed and the A/C compressor operates with the A/C on) A/C condenser fan high speed circuit troubleshooting •HVAC DTCs •Blown fuse No. 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. To fix this: • Melt the ice using water from a hose; do not try to chip the ice using a hard or sharp object because it may damage the coils. I am worried about damaging my compressor. Homeowners may find the air. Thinking my thermostat was confused, I overrode the setting controls and turned off the air conditioner from the thermostat. I just had the AC compressor replaced bout 2 weeks ago. It’s imperative to get this fixed quickly, since without a working fan motor your air conditioner’s compressor can be the next domino to tumble. The main fan is still working today. applebysystems. Rear Auxiliary A/C Systems - System provides second compressor for true auxiliary unit independent from front A/C unit - Ceiling mounted evaporator. If neither are running, turn the circuit breaker off for about a minute. Compressor and evaporator fan do not come on, condenser fan runs, lights come on. With the AC on, it ran on high all the time, so the engine temp was actually below 200 with the AC on. The fan blows in the house, but it's not cool. Did not want to charge the system if there is refrigerant at the correct level. Is leaving the AC fan on 24/7 more efficient than leaving it on auto?. This is a do it yourself repair that took about 20 minutes and this product worked perfectly. Easy to see if you look at the AC compressor pulley, but it is a bonnet up job. he said no because its has voltage at motor plus it was pulling a amp draw. Since the unit was 13 years old, I opted for replacing the whole condenser rather than just the compressor. Further, the ice in the coils can cause extensive to damage the fan blades, sensitive fins, and cause compressor failure. Having understood the various causes for overheating of AC compressor, it is high time to seek solutions. AC pressure equalizes when compressor not in operation OP --- "compressor not working. My window ac won't stop when shut off. Symptoms: AC set to cold, condenser fan comes on (outside unit) but you don't hear the compressor engage. If the outside fan is not working the compressor may cause problems and will short cycle or cease working. (do not run the compressor DRY or with out lube) do not. Get it before it's. Bad AC Compressor Signs. Both fans should run in slow (unless it is near freezing. It's useful to know what to do if the outside AC unit isn't working but the inside unit is. youll discover the perfect Four Seasons 78588 Air Conditioning Compressor With Clutch here. applebysystems. The system won’t be cooling your home. (will run fine for about 30 mins and kicks off for a while then starts working again) The outside fan will be running with out the compressor running. Each of these has a separate capacitor to start it up (the start capacitor) and to keep it running (the run capacitor). Welcome, Guest. Symptoms: AC set to cold, condenser fan comes on (outside unit) but you don't hear the compressor engage. Look to see if the compressor is turning and feel the largest A/C hose to see if it is cold. The dual capacitor has three terminals, labeled C for common, FAN, and HERM for hermetically-sealed compressor. There is also a high pressure service port. The Raleigh, NC air conditioning repair professionals at Raleigh Heating & Air have years of experience working with all different kinds of air conditioning problems. So if your older unit seems to roar rather than purr, it's not necessarily a sign that it is about to die on you. Most vehicles today have one multi-speed fan that blows air through a series of ducts and vents based on the driver’s selection in their climate control system. But for sure first possibility is far more prevalent than rest. With engine running, fan and ac switch on, I was able to detect good voltage at the terminal. Motor running, AC on max, fan on high. I tried to turn the AC on and I also ran the car for a while and neither fan cut on. I have a Payne AC unit behind my house and it's been running well. If your AC indoor fan isn’t working, first check to make sure a breaker hasn’t been tripped. The first areas that should be checked and cleared can be completed easily and quickly. The humming sound may be the sound of the air conditioner fan running. 1) Condensing Unit Frozen Wont Turn Off - The first thing is the condensing unit will freeze up if the air handler blower is not running when the condenser is on. 75121501, bought 2007. Replaced compressor and worked then. Note: We have an updated post that may provide a more accurate method of calculating. Compressor; The compressor applies energy to the refrigerant and propels it through the coils to carry out heat exchange. Why do you assume the capacitor for your compressor is still good when the fan side obviously failed and caused your fan motor to fail, and yet your still using the other side for your compressor. It's free turning when I turn it with a screwdriver (not bound). The AC Compressor Works But the Fan Doesn’t. And it was. Note: this is not the pulley, but the center piece that engages the pulley to the compressor shaft. the next day turned it on and. Condenser fan does not engage with AC switch on dash (switch lights up) and neither does the compressor. If your blower motor is not producing enough air for your system, or the fan is running at a low speed, that can cause the system to lose enough efficiency to make it run too much. If both the compressor and the fan motor won’t run, use a multimeter to test the temperature control thermostat for continuity. Sometimes it can be a contactor problem. It runs, and runs, and seems to be working fine. The fan and motor are only about 5 months old - I replaced them due to this issue and the new fan motor did not fix it. I have this issue with our X as well. A bad outdoor fan motor will cause the compressor to overheat and trip off as well. And I believe a lot of compressors and entire units have been replaced when the fix is not too difficult. There are a number of reasons why a compressor is not running. Two days ago it stopped blowing air. One possible problem with a Coleman RV air conditioner could involve the compressor or fan. Comments: Got another climate control and still having the same problem when I remove the climate control the aux fan runs high constantly plug in control fan setting one ac button off compressor will run constantly push the ac button compressor goes off and fan comes on at high speed the two systems will not work together : October 24, 2016. With engine running, fan and ac switch on, I was able to detect good voltage at the terminal. I tried to locate the fuse for the AC, but when I pull the fuse out, 25 amp, the AC and fan blower continues to run, and the dash board. fuses seem ok and swapped a relay and didnt helpwhen in ac mode the cooling fan does not run. It would not engage, the clutch would not kick in (compressor not spinning), and obviously I would not get any cool air. Is leaving the AC fan on 24/7 more efficient than leaving it on auto?. if the ac stopped working(the fan and the compressor not running), i had to climbed up to the roof just to push that button to make it work again. On the data tag, you will see energy data for the compressor and the fan. The fan circuit in that diagram does not have a start cap it has a run cap, the compressor circuit does but it also has a relay to take it out of the circuit because start capacitors can not stay in the motor circuit after the motor starts if it does it with blow up. Amana and Goodman offer lifetime compressor warranties. If all is OK, check your air filter. Troubleshooting air conditioning isn't difficult. 00 later I was happy with my AC working and cooling fine, but. You can check the compressor with a voltmeter to see if there is AC voltage on it when the A/C system starts. Here we give a sequence of things to check if the A/C is just not working. I had to get a jump to get it to run again. If the outside fan isn't running, unless it's raining on the unit, it won't be able to reject the heat and the line sets would get warmer with each second of run time. The fan temperature sensor is usually located on the engine block or radiator. 1071) Mercedes S 320 Cdi W221 Buy now with 20% discount from Goodspares. If you do hear the evaporator fan running but you do not feel a strong blast of freezing air from the freezer vents, then you probably have a frost problem; see section 4-4. A technician will test out the following parts to determine what to do when your HVAC compressor won't turn on: Capacitor; Start. Follow these tips for keeping your AC running smoothly, so your home will stay cool all season long. I have a Payne AC unit behind my house and it's been running well. "Normally the fan is controlled via a relay that is attached to the power for the AC compressor clutch control. fuses seem ok and swapped a relay and didnt helpwhen in ac mode the cooling fan does not run. I've seen it before. Both should be running at a. However, I have had issues with two new Fan Control Modules. To find out if the unit is out on overload, shut down the outdoor unit at the disconnect. The compressor is the heart of the AC system, circulating refrigerant like blood between the inside and outside unit. The A/C condenser fan does not run at high speed (but both fans run at low speed and the A/C compressor operates with the A/C on) A/C condenser fan high speed circuit troubleshooting •HVAC DTCs •Blown fuse No. 4kWh per day, which on a typical Irish electric tariff (19c/kWh) works out at €2. " Mike, That may be the situation with your Monaco but is not how dash fans work. In this third part, we continue our AC myth-busting by looking at why using the AC and fan together is all wrong, despite the strong temptation to do so. The principle is simple. If all is OK, check your air filter. AC condenser fan running but not compressor. If it's hot outside, running this fan isn't going to do much to help you stay comfortable. Compared to the inside unit which contains only a fan blowing air over the cooling coils, the outside unit is much more complicated and normally not possible for a layman to open leave aside repair. 75121501, bought 2007. I told him in was probably just spinning backwards. I just replaced the AC compressor and the AC is working fine if the outside temperature is below 87F (+-4). On the data tag, you will see energy data for the compressor and the fan. It’s imperative to get this fixed quickly, since without a working fan motor your air conditioner’s compressor can be the next domino to tumble. AC Compressor Not Working But Fan Is Running: What's the cause? When turning on the AC, you may notice the fan running when the compressor is not. " "i check the hi side and the low side pressure. If it is, action can be taken immediately to prevent future. Most important, is whether or not the compressor is still covered under the manufacturer warranty, since the parts cost and labor are really are you’ll be paying for. Is this even possible though? I called my guy back who claims that that's "bullshit", it's impossible for a fan to run without the. Warm food and drinks don’t sell at stores and aren’t popular at home either. Best Answer: I'd turn it off a. Here we give a sequence of things to check if the A/C is just not working. It sounds like the compressor is coming on but the fan does not blow air. When this fuse is pulled the AC button doesn't light, when you plug it back in it does light I have checked the connector to the clutch on the AC compressor and its not getting 12v with the AC button pressed I am guessing its either: AC relay (if there is one) Dashboard button issue (that lights but doesn't send 12v to the clutch). Compressor clicks on and off but does not run, no buzzing. But hopefully, this article on troubleshooting when your AC won't turn on was helpful at getting you to where you need to be. As a result, wires, switches and settings shift around. BUT, if your fan isn't running, or it's running too slow, it will cause low airflow. We ran the fan on the unit all night long and most likely the compressor was cycling on and off all night. The main problem is possibly due to a pressure switch or faulty relay. I am having a problem with the new AC since I installed it about a month ago. See more Craftsman AC-0108 Air Compressor Fan - Black. Power circuit open due to blown fuse, tripped circuit breaker, or open disconnect switch. If the outside fan isn't running, unless it's raining on the unit, it won't be able to reject the heat and the line sets would get warmer with each second of run time. The A/C condenser fan does not run at high speed (but both fans run at low speed and the A/C compressor operates with the A/C on) A/C condenser fan high speed circuit troubleshooting •HVAC DTCs •Blown fuse No. l Selector switch l Wiring SYMPTOM CHECK MECHANICAL and l Selector switch ELECTRONIC CONTROL l Module board ELECTRONIC CONTROL l AC voltage Unit does not run; no fan, l Breaker no compressor. I admit, I went the China route from eBay. Since the unit was 13 years old, I opted for replacing the whole condenser rather than just the compressor. I've seen it before.