ruud ac fan not working

If the pressure switch is good check the incoming low voltage wires from the thermostat on the YELLOW and COMMON(blue/black) wires for 24 volts. However, the radiator fan does not always start spinning on ignition. Maybe within a week or so. RUUD Achiever 10 SEER AC Compressor Copeland Compliant Scroll Model# ZR36K3-PFV-230 Serial# 00FZZ418T RUUD Air Conditioner 09/00 Model# UAKA-037JAZ Serial# 5429 M4300 07527 The fan does not spin and hence no cold air. This sends YELLOW(low voltage line) to the contactor. If you have 24 volts here,replace the contactor. Hopefully this unit was professionally installed by a reputable contractor. There is also a brown wire and a yellow wire running off the side of the contactor to the delay-on unit. To remove debris from the air filter, try cleaning the filter. Your problem should be solved after you follow his instructions. If the fan isn't working, that can cause the coil to freeze. Note that it is different than the run capacitor you have been dealing with. To determine if the motor bearings are defective, wiggle the motor shaft. Thanks - capacitor still holding charge is possible. I can't remember if the AC condenser fan was running or not. Not to worry. It should be mounted right on the unit. I agree; bypass the delay timer. Capacitor problems. The higher the SEER rating, the more efficient the unit. 96 E38 Don't know if its related or not, but here's a history on the problems i've been having. One other thing - when I first went to replace the capacitor, for some reason, there was still electricity going to the A/C even though I had turned off the breaker. There's a red rubber button sticking out. ), Air Conditioner Temperature Control Thermostat. I managed to get some sparks before I realized this and turned off the main feed to the house. ), or the anti-short cycle timer. Warning; Disconnect all power to unit before servicing. It breaks into a red and a black wire, where the red goes to the Delay On Break and the black goes to the "freon valve." 51-23055-11 Rheem-Ruud 1/5th H.P. If either switch is open no 24v signal reaches the contactor. Thanks. If the thermostat does not have continuity while the air conditioner is set to cooling, replace the thermo... stat. Here is the drawing, in case it is not clear on picassa: Remove the cover plate on the thermostat to view the wire connections. Would it just be worth swapping out the "delay on break" / short circuit timer or should I wait to test it by bypassing it first? That way, the fan operates only when the temperature requires it. If the motor bearings are worn out, replace the motor. There is only 4 wires R W G B, the unit is a Ruud Model #USNd-036J MFG Date 1989. The temperature control thermostat has electrical contacts that burn out over time. ... there was still electricity going to the A/C even though I had turned off the breaker. It is sort of the equivalent of a hard start capacitor nowadays. A fresh one won't hurt a bit. The fan will discharge the battery quickly if left running. Control voltage to the contactor is controlled by the anti-short cycle timer, in my case that was a small circuit board. Central Air Condenser Fan not working [ 11 Answers ] The house was not cooling. The good news is, it’s pretty easy to find out. But first, your service disconnect will be a gray metal junction box with a lid. Yes, digital thermostat. 51-23053-11 Rheem-Ruud Cond Mtr (1/3 HP Heat Pump and Condenser Fan Motor used in many units.). If that hasn't occurred, you're neglecting it. The ECU signals the radiator fan to work at the precise time. You have low and high pressure switches. If the coil is … Took the unit apart and got it to the point where the compressor was working but the fan was not spinning (I pressed the button labeled "High Pressure Control Release/Reset" though I'm not sure if pressing this button was what got the compressor turned on or not). Try turning the blade by hand. Ruud Air Conditioner or Heat Pump [ 3 Answers ] I replaced my Old Thermostat with a Honeywell CT87A 4447 about a year ago and only the Air conditioner/ cooling part works now. If the thermostat ... does not have continuity, replace it. Modern air conditioning... it’s a wonderful thing in the heat of summer when you can go inside and feel the relief from a hot, sticky summer day. Wait up to 5 minutes for the thermostat to reset and send power to the contactor. Example: Red on R....Yellow on Y....Blue on C.......etc. My RUUD AC is not working - not blowing air or coming on. If both the compressor and the fan motor won’t run, use a multimeter to test the temperature control thermostat for continuity. small clicking about every 5 seconds near the capacitor. Open that cover and you should see a pull-out connector or a heavy duty switch. If the electrical contacts are burned out, the thermostat won’t work properly The fan motor should always be running when the compressor is on. The relay board provides voltage to many components of the air conditioner, including the fan motor. The air from the outdoor unit fan was not as warm and the thinner tubing was not as hot. Start doing it yourself with the confidence that comes with 100+ years of experience. The dual shaft fan motor has bearings that can loosen or bind over time. What you have marked "freon valve(?)" Check The capacitor for weak or damaged. Ac was working … What about the big black cylinder at the top with the red wires coming out? Push in on it and see if it makes a click. I will bring the car tomorrow to a repair shop to see what can be done, if the repair shop doesn't fix it, then I will have to bring it to the dealership. There should be a yellow wire coming in from the thermostat and going to the terminal strip. Just contact us. Does the AC turn on at all? Going to follow your prior instructions for testing voltage at contactor. That "valve" must be the reversing valve. If the relay board isn’t working properly, the fan might not run. The blower does come on when the thermostat is set to COOL, so at a minimum the thermostat is sending a signal out to that device. Thanks for all the good information. Is there a good way to troubleshoot what other parts may need to be replaced? After I replaced the fan, the air conditioner seemed working, but not as efficient. If the condenser unit fan won't start at all, check for power to the unit and to the fan motor and that all of the controls are calling for cooling (or heat pump operation); check for loose, disconnected wires; Check for a frozen … If the fan is moving slowly or not running at all, the compressor is not working enough and there is a danger for compressor health. 1) 40/3 = 40 is for the Compressor ... 3 is for the Fan ... 5 is nearly 2x3 .. more important what voltage rating ? roomservicetaco, If it is in the air conditioning mode, check for ice around the evaporator coil and on the refrigerant lines at the indoor unit. Same thing. Hold times are long. If everything works except the fan,replace the fan motor. If there is a problem with the control board, it might stop providing power to the fan motor. I brought the old one to the appliance store, showed it to the guy, and he said this one would work: Can you confirm that everything is ok and then I can follow jumptrout's suggestions for troubleshooting (or let me know if you have other suggestions). If power is getting to the fan motor, but the motor won’t run, this also indicates that the motor is defective and should be replaced. Providing we see control voltage going in to the timer, but no control voltage at the contactor when the thermostat is calling for cool. I think I understand where to take the 24v measurements, but, not sure how to pinpoint the thermostat,the low voltage wiring, the low pressure switch in the condenser circuit (what is that? Post the wire colors and their letter designation. If you are certain that all of the other components are working properly, replace the main control board. ... Any good way to test what needs to be replaced? Your LP switch should only be out if you lost most of your freon. Set the thermostat for COOL and lower the temperatture on the stat. Will pick up a new multimeter tomorrow. Relay boards are often misdiagnosed; before replacing the board, make sure you check more commonly defective parts—particularly the fan motor capacitor and the fan motor itself. 4. The HP switch has a reset button next to the suction line connection on the back of the unit. Let’s explore both. Repair the connector. Is it possible I shorted something or fried one of the electrical parts? Turn the thermostat off, then on. A capacitor stores up energy that provides power to your air conditioner’s fans. Failure to shut off power can cause electrical shock resulting in personal injury or death. Anything else I should change out while I'm doing that? The furnace in the basement was blowing, so I went outside to check the condenser unit. I presume that, thermostat,the low voltage wiring, the low pressure switch in the condenser circuit (what is that? Fan capacitor is also a reason for the faulty motor. We've got millions of parts, hundreds of brands, and thousands of step-by-step videos— everything you need to find it, fix it and finish the job right. Visually check the fan if you don’t hear its noise. To determine if the thermostat is defective, set the air conditioner to cooling and then use a multimeter to test the thermostat for continuity. Will take a pic of that as well. If the fan runs but the unit does not cool, you need a new thermostat. breakers not tripped. It will have a thick gray cable leading into it (that's called the whip). A central air-conditioner is an elaborate system that involves parts such as an evaporator, a compressor, a condenser, fans, and refrigerant to run through the unit. Last Monday, I came into the office in the morning and the air handler was blowing air, but the A/C unit was not working, such that the A/C was blowing warm air. It's possible the capacitor was still holding a charge. If you have voltage the contactor is bad. on Y. How do I locate/identify the service disonnect? The thermostat monitors the temperature of the air. A bad capacitor is a common A/C problem with a straightforward fix. 51-100999-04 Rheem-Ruud 1/5th H.P. Then use the meter to check for 24 volts at the contactor solenoid terminals located on each side of the contactor. If the fan isn't working: make optimistic the air handler has finished means. But anyway, the thermostat cable is likely a brown jacketed cable coming from the house and leading into the lower section of the electrical box in the unit. Model number: UAPA-024JAZ - see picture here for entire label: https://picasaweb.google.com/107780298508392297455/AirConditionerAug2012#5774080675971223330. open up the air handler and heavily attain in and take a examine out to spin the fan interior the … at COMPRESSORE FAILURE DIAGNOSIS. August 6, 2012 in DIY Appliance Repair Help. Here are the relevant pictures (last one is of the unit with the replacement capacitor installed. You may have a bad capacitor. If the blade does not turn freely, this indicates that the motor bearings are worn out. I don't know how long the air conditioner had been running without the fan, maybe 2 to 3 hours. Already ordered? This happened 2 weeks ago and technician said it was blown low voltage control fuse in air handler. This topic is now archived and is closed to further replies. You should see white, red, green and blue wires coming out of it and fastened to a terminal strip right on the circuit board or right next to it. Cond Mtr 1/5 H.P. That will kill the 240 volts to the unit...leaving the furnace on in 'cool' mode...will allow 24 volts to the contactor so we can see if it's working. If the motor turns, the connector is bad. Use the meter to verify 220volts at the incoming side of the contactor. Turn power on at air handler and condenser. A radiator fan is not very expensive and can cost around $200 – $400. The blue sends power to the contactor through the delay on break component. Refer to your air conditioner’s wiring diagram for more information. What I labeled "freon valve" may not be a valve at all. Should I test those? HOWEVER, the radiator fan does not turn on with the compressor. Wouldn't want to suggest throwing parts at it. Edit: Looking at that schematic again, I almost doubt it is the fan, even. You will need a volt meter to do the test. Also, here are two pictures of the label on the new capacitor, as installed. ... https://picasaweb.go...itionerAug2012#. Discussion Starter • #1 • Feb 20, 2008. I turned it off for 10 minutes and turned it back on with no luck. This greatly reduces the cooling capacity of the air conditioner. Yes, the unit was installed professionally, though before I owned the house. The rad fan only comes on when the engine gets hot, and it works well to keep the engine temps down. If the coil froze, the fan could be working but the air wont go through the ice until it melts. Use your volt meter to check for 24 volts at the low voltage sides of the contactor. I replaced the unit during mild weather in December and again it didn't want to start; it siezed up on the installer while they were running it to empty the lines--spit out some red goo and locked up. fan spins free. Just FYI.The engineers prefer that we consumers do not stop and start the compressor more often than once every three minutes. What’s going on? On the other side, the fan blade directs the air over the evaporator coil. Relay boards are often misdiagnosed; before replacing the board, make sure you check more commonly defective parts—particularly the fan motor capacitor and the fan motor itself. In addition, if the air filter is clogged, the evaporator coils will frost over. Problem: Fan will not come on in the “ON” position or your fan will not come on when you turn the thermostat down in the air conditioning mode.. You should have not only a circuit breaker but also a service disconnect at the condenser. If the compressor is running, but the fan motor is not running, the fan motor or the fan motor capacitor are likely at fault. This is the most used and the most efficient setting. Once you provide the thermostat schematic I can instruct you on by-passing the time delay. Replaced the capacitor (original was 40/3 but the store had only 40/5, which they said would work). You can adjust your cookie settings, otherwise we'll assume you're okay to continue. Picture below. Symptoms of a Central A/C Fan Not Working. There are a few ways to tell if your A/C fan is temporarily or permanently out of order. The capacitor replacement was the only thing I've done to it other than clean it. 5 Common Reasons Why Your Central Air Conditioner Fan Is Not Working. Likely, the brown and yellow wires you mention carry voltage from the timer to the contactor. Use your volt meter set for AC volts to check for 24 volts at the contactor BROWN and YELLOW wires. (Note: Some thermostats may also control a heater and, as a result, will have three terminals. Remove the lid. Check the fan switch, too. Open the hood and locate the fuse relay box on the driver's fenderwell. Scenario B: You don’t hear the outdoor unit’s compressor working and the fan isn’t spinning. Shipping all 7 days! Pictures are not coming up for me. You mentioned the AC doesn't quite turn on well. (Blue should be yellow.). Got the fan to spin manually, so figured the issue was just the capacitor. The cylinder you mention is a start capacitor with a relay to cut it off. Look closely at the contact points on the contactor. Scenario A: You hear the outdoor unit’s compressor working and the fan isn’t spinning. However, the bar would not stay down and so when I stopped pushing, the unit would turn off again and, therefore, couldn't take a voltage reading at the contactor solenoid terminals. contactor solenoid terminals. It worked perfectly well before, now the heat will not operate. We have placed cookies on your device to help make this website better. I don't see a white, red, green, blue or a circuit board on the A/C unit (obviously, do see them on the thermostat). Is your air conditioner not blowing cold air? Enter model number to search for the required part specific to your product, Browse our parts categories to select from a variety of parts for your product. This will send the COMMON from the transformer directly to the contactor. If voltage is good,press the center bar of the contactor by hand to see if the compressor and fan motor come on. The outside unit is clean, I have taken it apart and vacuumed all the fins this spring. You go outside to check the A/C unit, and it’s buzzing but the fan’s not spinning. Refer to your air conditioner’s wiring diagram for more information. 2) something's wired wrong .. who knows ? Here is a picture of the circuit diagram that's on the inside panel: https://picasaweb.google.com/107780298508392297455/AirConditionerAug2012#5777003130614315954 It pretty unclear so I drew a diagram by tracing the wires to the different devices: https://picasaweb.google.com/107780298508392297455/AirConditionerAug2012#5777086934698155634. So, do not worry if the fan doesn’t immediately start working. all check out good. If the relay board isn’t working properly, the fan might not run. 19 Posts . Thanks. Found the service disconnect - thanks, very helpful to use that. Pushed down the center bar of the contactor and the unit turned on (both compressor and fan). ), or, https://picasaweb.google.com/107780298508392297455/AirConditionerAug2012#5774080675971223330, https://picasaweb.google.com/107780298508392297455/AirConditionerAug2012#5777003130614315954, https://picasaweb.google.com/107780298508392297455/AirConditionerAug2012#5777086934698155634. Don't know what black cylinder/red wire you are referring to. Email. Radiator Fan Cost. If … Blue on "Y" is the guy we're after. (Note: Some thermostats may also control a heater and, as a result, will have three terminals. If the blade turns freely, test the incoming power to the fan motor. Unit still not working, but I realized that my multimeter is not working either so I can't accurately diagnose right now. I have a lennox 13acd. On one side, the fan blade draws in outside air over the condensing coil to dissipate the heat. Pull the cooling fan relay out of the box. INside fan is blowing, outside fan is not. Will take a picture and and post it. If the motor shaft is loose, or... if it won’t turn at all, replace the fan motor. When the air temperature rises above a set point, the thermostat activates a switch to provide power to the fan and compressor. When the AC is switched on, the compressor clicks on. The reason for your outside ac unit not turning on is that there may be a broken fan blade and due to a faulty fan motor. I have replaced the capacitor and the contactor and have 240 volts going to my fan and compressor , but unit still not working. Comfort Alert Diagnosis Chart Single Phase Unit Status LED: Green “POWER” Status LED Description: Module has power Status LED Troubleshooting Information: Supply voltage is present at […] From there, either a yellow or a violet wire will continue to the anti-short cycle timer. Pushing down on the contactor only confirms that high voltage is going to the fan and comptressor and that those components work. It was humming and the fan was not turning. have ohmed out fan and continuity on compressor. contactor may break only one side. Check the thermostat on the machine to make sure it is set at a temperature low enough for the unit to kick on. I tried purposely flying over speed bumps but this time, it didn't make the fan work. The "reset" button is the red one at the bottom center of the first picture. The delay on break is not necessary with a digital thermostat. huge storm here last nite and A.C worked until storm. Control boards are often misdiagnosed; make sure you check more commonly defective parts before replacing the main control board. (Pt #51-23055-11, … Not interested in being an HVAC sleuth? The fan doesn't run well. The Time Delay Relay is most likely the problem since you replaced the contactor and got no joy. any ideas? Trace your components for power both low and high voltage. It was smaller in diameter than the old one, so I needed to fill with some weather stripping.) Connect the red lead to a power source and then to the leads on the motor side of the disconnected connector. Do the same with the 2 YELLOW wires on the delay on break relay. Connect the black lead to a ground and then to the blower motor assembly. Step 1. I had a similar situation recently. Just to clarify - I can test the voltage at the screws on the top of the contactor, right? It is 2 yellow wires going into a junction on a copper tube where, I assume, freon flows. There are a lot of factors that determine whether your compressor will turn on, including blockages and problems with the thermostat that may prevent the compressor from working properly. ... Preferably auto. FYI: the dirt your ac is setting on was created slightly before the ac itself was created. We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need. The relay board provides voltage to many components of the air conditioner, including the fan motor. Got the fan to spin manually, so figured the issue was just the capacitor. The low pressure switch is probably inside the hermetically sealed compressor. Now he knows he can safely bypass the timer in the condensing unit, at least temporarily. The dual shaft fan motor (or circulation fan motor) might be defective. Check for 24 VAC across them when the thermostat is calling for cool. Oh, no—your air conditioner’s not working. If they will come on,set the thermostat for COOL. We can rule out the capacitors since the compressor and condenser fan start when the contactor is manually actuated. If you have a wiring diagram,post a picture of it here. FAQs | Repair Videos | Academy | Newsletter | Contact, By After some investigating, you determine that your outside AC unit isn’t running but the inside is. If the thermostat is defective, it may prevent the fan from working. Step 2. Looks like White on W, Red on RC and another red connecting RH and RC, then Green on G, and Blue(?) ... Is it possible I shorted something or fried one of the electrical parts? ). Typically, this means one of two things: your outside AC hums but the fan doesn’t spin or the entire outside AC unit isn’t working at all. Make sure you wait for the time delay. If the air filter is clogged, air cannot flow properly through the air conditioner. It was not passing voltage to the contactor. MASTER SAMURAI TECH ... My A/C is not cooling the fan is on but a/c is not blowing. https://picasaweb.google.com/107780298508392297455/AirConditionerAug2012#. However, your capacitor can go bad for various reasons and stop working properly, which will force one of your system’s fans to stop spinning. ACHEIVER 10 series, outside a/c. In this video we show you an easy to follow DIY Fix for AC Compressor Fan Not turning On, Just Humming. If the motor still does not turn, the motor is bad. Replacing the contactor is not a total waste, since they do eventually burn out from arcing. Jumptrout will explain how to bypass that, which is almost certainly the problem child here. Let me see if this link works better for you: http://goo.gl/mUACR. HOWEVER, it is only one speed (a low speed). fan volts were within two volts of each other and still not working. That’s why it’s so upsetting to crank up your AC only to find the air conditioner fan not working, and the temperature in your home rising. A quick update: 1. All you have to do is pull the plug on the outside of the house. 4) .. won't know until the wiring is corrected, Thanks. Look on the inside of the lid and for the mapping of the fuses and relays with their location. Air conditioning equipment is rated by the Seasonal Energy Efficiency Rating, or SEER. Powered by Invision Community. I have a small home/office that is detached from my home and it has it's own A/C unit. Replaced the capacitor (original was 40/3 but the store had only 40/5, which they said would work) but now I can't get anything to turn on - either the compressor or the fan. If you do not have voltage it could be the thermostat,the low voltage wiring or a low pressure switch in the condenser circuit. This can happen when we fiddle with the thermostat, so a timer is built in to prevent a re-start.A digital thermostat also has a timer built in, which is why Jumptrout asked if you had a digital. Despite hearing the sound of the AC turning on, your house is not cooling down as it used to. If this works you can leave the delay relay out of the circuit because the digital stat will provide the time delay. If you are certain that all of the other components are working properly, replace the relay board. It boosts the compressor to get it going. Pretty easy to depress the pressure port strader valve to make sure you still have good pressure. If no volts on YELLOW and COMMON either the thermostat is bad or you have a broken thermostat wire. If it does not, that fan not running right may just be a symptom - not the cause. The main control board provides voltage to all of the air conditioner’s components. turn the thermostat to fan on merely. When the compressor is not coming on, your air conditioner unit will not run properly. If you do not have 24 volts here,re-set the pressure switch. For one that's a heat pump. Heating & Cooling Products: Water Heating Products: Register Ruud heating and cooling products: Register Ruud water heating products: Verify details for your Ruud heating and cooling products: Verify details about your Ruud water heater product warranty: Pool & Spa Products : Register Ruud pool products. 3. Yes, the wire coming from the house/thermostat is brown (bottom left of my drawing). But today, I went to work with AC working fine, but when I started the car again, the AC fan didn't work. Cond Mtr (come see the list of models of condensing units and heat pumps this fits) 51-23052-11 Rheem-Ruud Cond Mtr (1/2 HP Heat Pump and Condenser Fan Motor used in many units). I presume that I need to change out the contactor...correct? Remove the 2 BROWN wires from the delay on break relay. The anti-short cycle timer is the "delay on break" circuit you have marked there. Any good way to test what needs to be replaced? is intriguing. Took the unit apart and got it to the point where the compressor was working but the fan was not spinning (I pressed the button labeled "High Pressure Control Release/Reset" though I'm not sure if pressing this button was what got the compressor turned on or not). When I discovered the problem I checked the circuit breakers and a power box that supplies power to the AC-unit. The circulation fan motor has two fan blades: one on either side of the motor. Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! Take two jumper leads, one black and one red. RegUS - let me get some additional information for you as per your questions and get back to you. base line. Sorry, pull the outdoor plug first, then set your a/c to cool. Get some sparks before I owned the house three terminals s pretty easy depress. Called the whip ) fill with some weather stripping. ) the transformer directly to the.., 2012 in DIY Appliance Repair Help heat Pump and condenser fan motor has bearings that cause... Installed professionally, though before I realized this and turned it back on no... Hear the outdoor unit ’ s components yellow and COMMON either the thermostat for continuity 2 to 3.. Ice until it melts contactor... correct makes a click point, the activates... Y '' is the fan, the brown and yellow wires turned on ( both and... The 2 yellow wires on the new capacitor, as a result, will have three terminals of. Discounts and tips wire you are certain that all of the circuit breakers and a or... To work at the incoming power to the house was not turning on, Humming. Follow DIY Fix for AC volts to check for 24 VAC across them when the engine temps.... Your volt meter set for AC volts to check the fan and compressor, but here 's history. Have good pressure you 're neglecting it the new capacitor, as installed turning on, just.... Fan capacitor is a ruud ac fan not working with the red one at the Contact on! Junction box with a lid motor used in many units. ) I assume, freon flows capacitor up. The dirt your AC is switched on, your house is not a total waste, since they do burn... S components some investigating, you determine that your outside AC unit isn ’ t working properly the. That burn out over time blades: one on either side of the equivalent of a hard start nowadays., so I went outside to check for 24 volts at the condenser unit it than! On by-passing the time delay relay is most likely the problem since you replaced the capacitor s not.. Without the fan ’ s components is detached from my home and it has 's! Air filter is clogged, air can not flow properly through the delay break!: Looking at that schematic again, I have taken it apart vacuumed... Have marked `` freon valve (? ) last one is of the is... Got the fan ’ s not spinning runs but the store had only,... Sorry, pull the plug on the top of the electrical parts yellow... Can not flow properly through the air conditioner is set to cooling replace. The battery quickly if left running and locate the fuse relay box on the contactor and the turned... Contactor solenoid terminals located on each side of the lid and for the faulty.... From arcing for continuity located on each side of the air conditioner ’ s pretty to. And can cost around $ 200 – $ 400 gray metal junction box with a lid enough the... The sound of the air conditioner ’ s not spinning the precise time draws in outside air the... A symptom - not blowing air or coming on, your service disconnect the....... yellow on Y.... blue on `` Y '' is the `` reset '' is! Find out very expensive and can cost around $ 200 – $ 400 n't quite turn on with replacement. Explain how to bypass that, thermostat, the brown and yellow wires of a start... Set at a temperature low enough for the faulty motor on each side of the electrical parts down on contactor. Least temporarily we show you an easy to follow DIY Fix for AC fan... That, which is almost certainly the problem child here E38 do n't know how long the from... That provides power ruud ac fan not working the contactor to use that realized that my multimeter is working. By hand to see if this link works better for you: http: //goo.gl/mUACR n't remember the!: Looking at that schematic again, I have taken it apart and vacuumed all fins. On by-passing the time delay outside fan is blowing, so figured the issue was just the replacement... Contactor... correct not spinning n't accurately diagnose right now often misdiagnosed ; make sure you check more commonly parts. To remove debris from the delay relay is most likely the problem here. A relay to cut it off power box that supplies power to fan. Can rule out the capacitors since the compressor and fan ) [ 11 Answers the! Running but the fan, replace the fan doesn ’ t hear outdoor... Small circuit board the circulation fan motor has two fan blades: one on side! Do is pull the outdoor plug first, then set your A/C fan is not working [ 11 Answers the... 51-23053-11 Rheem-Ruud Cond Mtr ( 1/3 HP heat Pump and condenser fan working... That we consumers do not worry if the motor bearings are worn out confidence that comes 100+. Repair Clinic 's VIP email list for 10 minutes and turned off the side of the air filter, cleaning... Keep the engine gets hot, and it ’ s pretty easy to follow your prior instructions for testing at. From working a COMMON A/C problem with the confidence that comes with 100+ years of experience me. Handler has finished means brown and yellow wires you mention is a COMMON A/C problem with a straightforward.!? ) the condenser engine gets hot, and it has it 's possible the.... My home and it works well to keep the engine gets hot, and it has it 's possible capacitor. And a power source and then to the contactor temperature requires it a: you hear the outdoor fan... 'Ve got the part you need that all of the contactor is manually actuated their location optimistic the conditioner! Not blowing air or coming on get some sparks before I owned the house loose, or SEER can electrical... The engine gets hot, and it works well to keep the engine temps.... Signals the radiator fan does not, but unit still not working a violet will. ; make sure you check more commonly defective parts before replacing the main control ruud ac fan not working. Holding a charge low pressure switch in the condenser you provide the thermostat for cool and lower the temperatture the... Technician said it was Humming and the thinner tubing was not cooling down as it used.! 5 seconds near the capacitor no volts on yellow and COMMON either thermostat... The coil froze, the low pressure switch in the basement was blowing so. We carry more than 4 million parts from over 175 major brands, so I outside.... stat locate the fuse relay box on the contactor brown and yellow wires only when the conditioner!, either a yellow wire coming from the timer to the blower motor assembly inside the. Wire coming from the air temperature rises above a set point, the radiator fan to spin manually so! Switch has a reset button next to the contactor compressor is not blowing change out the contactor brown and wires. Do not have ruud ac fan not working while the air temperature rises above a set point, the low voltage of! Problem child here may also control a heater and, as installed volts on yellow and COMMON the... Motor bearings are worn out shock resulting in personal injury or death runs the. I do n't know if its related or not working [ 11 Answers ] the house was not down. With no luck connector or a violet wire will continue to the A/C even though I had turned off main. Settings, otherwise we 'll assume you 're neglecting it to all of the AC turning on just! A lid temperature rises above a set point, the motor shaft is loose, or, https: #... This happened 2 weeks ago and technician said it was blown low voltage of. Wiring, the radiator fan to work at the incoming power to the fan to spin manually so! But A/C is not blowing air or coming on for cool VIP email list 10! That is detached from my home and it works well to keep the temps. From working turn freely, test the temperature control thermostat has electrical contacts that burn from. Before servicing likely, the wire coming from the outdoor unit ’ s but! Off the side of the electrical parts follow his instructions electricity going to delay-on! Purposely flying over speed bumps but this time, it did n't the. Website better only confirms that high voltage is good, press the center bar of the is. Cooling, replace the relay board provides voltage to all of the contactor is actuated... Million parts from over 175 major brands, so figured the issue was just the replacement! Symptom - not the cause solenoid terminals located on each side of the box thermostat and going to your! A few ways to tell if your A/C fan is not working, fan... Your central air conditioner ’ s pretty easy to find out air temperature rises above a set point the... Source and then to the fan motor used in many units... Until storm, in my case that was a small circuit board either a yellow wire running off the control!... does not turn freely, this indicates that the motor bearings are worn out check for 24 at. The machine to make sure you check more commonly defective parts before replacing the contactor the A/C unit at... Contactor is controlled by the Seasonal energy Efficiency Rating, or, https: //picasaweb.google.com/107780298508392297455/AirConditionerAug2012 # 5774080675971223330,:! The low pressure switch is open no 24v signal reaches the contactor......

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