If your fan blades still do not work then the internal bearing has worn out and you need to replace the fan. How to Fix a Box Fan. The easiest fix for a motor that has burned out or stopped running is usually to shut off the power, open up the fan, and replace the fan motor. So laptops fans are mostly brushless type fans. Is there a reasonable fix to this I appriciate ur tme and help. A single phasing motor wouldn't rotate at all under electric power. Feel around the sides of the blade guards for clips that are holding the 2 parts together. Again, depends on the model. Box fans work by having a set of fan blades attached on the shaft of a small motor. Thanks, Question Fix A Fan That Won'T Spin Fast Buildup from dust and pollutants can slow a fan over time. Wash each blade individually on one side then flip the fan and wash the other. Then as one of the other people here suggested, spin the fan with a stick while it's on, until the fan starts to rotate on its own. Most of the time it is a result of lousy bearings with so much play that the shaft rattles. The bearing make it possible for the fan to spin. Use this to wipe all surfaces. Put plastic sheeting below the fan to avoid any oil getting on furniture or carpet and using a step ladder locate the "add oil" hole. The knob triggers the internal oscillating motor into motion. Look for evenness doing the spin test. Reattach the grills, the feet and align the power cord collar. on Step 7. I have cleaned fans that had a lot of dust on the blades and grille by just spraying them outside with a garden hose. When your air conditioner’s outside fan is not working, inspect the fan itself. Typically, pushing the knob down activates the oscillation feature. Reply To determine the cause of the fan speed malfunction, follow the steps below: Clean and lubricate the ball bearings. My thermostat signals the heater correctly and the burner ignites, but the fan doesn't always turn on. After only one season a fan may be covered in enough gunk to give the illusion that the 'motor' is worn out, when really all that is needed is a good cleaning to keep it running for a lot more hours. Unless it is a window fan, don't leave a fan in an open window while it is raining. You may have to unhook the power cord collar and remove the feet. I thought it might be the fuses but we bypassed them and it’s still not working what else could it be? Did you make this project? I do this every season to my own fans and these $20 box fans last a lot longer then the manufacturers want them too. If all else fails, check to see if there is a problem with your air conditioner’s physical fan. on Introduction. It's cheap and easy and even saves energy. Start off spraying a little light oil into the hole and let the fan run for 20 minutes. Keep your fan dry to prevent electrical hazards. How to Diagnose & Fix a Blower Fan that Will Not Start Why won't my furnace blower fan start on its own? Whether it's a box fan, an oscillating fan or any other type of fan, it will, over time, become dirty. Please help I don’t want to throw it away. Hunker may earn compensation through affiliate links in this story. You wanted to play GTA 5 and when you are trying to turn on your Xbox but somehow it is not turning on. Remove the other switch leads and insert the second probe into the terminals. Then wipe with paper towels. I have a new fan that is very noisy. An oscillating fan uses a knob assembly on top of the motor housing for adjusting the oscillation on and off. Wipe the whole thing down inside and out. There are a number of potential reasons for this problem, including mechanical as well as electrical. The shaft glazes up with dark brown glaze, accelerating the friction and the heating, until the oil reserves in the felt surrounding the cheap sleeve bearings dries up. Clean as directed above.Second: After cleaning the fan so well, to help prevent future build up - In a pail or dishpan mix a cap full of liquid fabric softener (like Downey) in about a gallon of water. You can either use a multimeter to check for continuity or call an electrician to help you check the power. Put your box fan back together the same way you took it apart. A systematic check of the fan and its related components is necessary to determine the problem and the proper resolution. Never work on a box fan without unplugging it first. REASON: Sometimes power failure or problem with the power button could be the reason for a ceiling fan that won’t spin. on Step 7. I never have to this. Press the center cap into place, plug the fan in for a brief moment and test it. 5 years ago The motors and bearings on box fans have a tendency to go bad. You will need a new motor and a new fuse, but the fan speed capacitor should be … If you’ve tried both of these steps but your fan still won’t work, try … These screws are usually very small. While inspecting the fan, first check the bearings. Pull the fan’s electrical cord out to keep it from turning on randomly while you’re working on it. SOLUTION: Thus you must make sure the fan is receiving power to function. You CAN do these in the shower, and use a long handled scrub brush, but you will still need to use paper towels to get in some crevasses. 2 years ago The fuse is gone. Like most small appliances, people don't take the time to clean them, even though it will make them last much longer. I find that some blades resist degunking and a scrubbie pad is useful to remove the stuck on gunk. I wouldn't try thicker oil because it just adds drag to the shaft in small, low-torque motors. Press Esc or F10 and select “save and Exit” press Enter and allow your system to restart then check … If the fan stops turning but the motor continues to hum, you probably have a damaged or broken flywheel. Here is how to fix a box fan. The fan should be good for about another year. Spray lubricant into the connection between the fan blade unit and the bearing. The overheating kills the thermal fuse in the motor winding bundle, resulting in another dead fan. on Introduction. If you open the fan up, take the motor apart, there is a bearing that spins the fan. It's just the front intake 120mm and exhaust 120mm that came with the case that require a push to start. Not only does but … There will be a small fuse that needs replacing, this happens when the power gets too high for the fan. Part of me thinks maybe the fans won't start until the CPU or GPU reaches a certain temperature, but I'm not sure. 9 years ago Never operate your box fan near a sink or bath tub. Insert one of the probes into the terminal. 2 years ago, 5 years ago Fan noise usually comes from vibration. If not, toss it. Remove all the material surrounding the motor, avoid spraying it with any cleaners. Use a brush for the solid matter. Just a few tools, though you can use many more for cleaning depending on the gunk level. Turn the blades and spray again, do this several times. Then wipe with paper towels. Try to clean them, look for small breaks in the plastic, etc. Replace the motor on your fan if your efforts to clean the motor do not work. Is there any way to make it quieter? You *can* counterweight them with small pieces of tape, but once they are out of balance its almost impossible to rebalance them. Sometimes a few can be missing OR the hole has grown too large to reseat tightly. If you notice that the blades always stop in the same position, the blades are out of balance. By creating an account you agree to the Hunker. A GPU fan can help cool your computer graphics card to avoid it from being overheated. All readings should be drawing zero ohms. on Step 7. If you have blades that are unbalanced, they can wear out the bearings on your box fan. When they are dusted or old, they will get stiff and eventually stop spinning. The device in the sleeve is a thermal fuse, it's probabally failed but replacing it won't fix the windings. Having torn apart several roadside fans in an effort to either fix them or find out what killed them, I've found that most of the current imports from China have undersized rotors for the amount of torque needed to move the amount of air required at the speed they operate at. After an extended period of time, you fan can break or stop working. Our cool master box fan just quit working it’s clean. I have a fan that the fuse blew on the plug how can i replace that. Rarely I may have to replace a knob, but usually they are functioning, but the blade speed is about half of normal. Pulling the knob upward shuts the oscillation off, stopping the movement immediately. Depends on your model, but I would unplug it and find a way to disassemble the fan to check the wiring to the fan motor and switch. Reply Delete Through continued use, table fans tend to collect dust and debris. Clean the blades on your box fan regularly with a vacuum cleaner to keep dirt away from your blades. 5 years ago then spray with a degreaser/cleaner and then scrub with a nail brush or other firm bristle brush. Returning it to the store or manufacturer will make it a lot quieter. These are good thoughts for every way to do itI will probably go for the bearings being lubed as this is good for any motor. Over time, fans in your home may start to run slow. I've been able to keep my cheap Aurora fan alive for years by catching the signs of slow startup or quick wind down, or squeaky bearings, and shutting down the fan until I've ripped it apart and cleaned and lubed it using regular 30-weight motor oil. I have had them last decades. You can play a game for a long time and the GPU fans should start up. Before you head to the fixes, you should know the first thing: GPU fan spins only when the GPU temperature rises to a certain degree. I guess it is easier to put it out for the trash and spend another $20-$30. 5 years ago Vibration at high speeds will make the fan walk and possibly fall. Replacement flywheels are relatively inexpensive and are available for most ceiling fan models. Is your fan a small 8-inch desktop? )I soak the grills, removable fan blades, knobs, etc., in a bathtub of hot water, filled just to cover, and add 2 cups of ammonia. Use a brush for the solid matter. Then stop the fan and add ceiling fan oil until the reservoir overflows slightly. Take apart the fan by removing the screws on the front panel of your fan and lifting the blades off the hub. High moisture can be another reason for ceiling fan motor failure. When the motor seizes the fuse will pop and power will no longer run to the fan motor (prevents your fan from catching on fire). but you NEED the top and bottom tightly screwed down of the vibration will make a hell of a racket. Remove the needle, the rubber will seal itself. You can replace the motor by unscrewing the motor parts, taking the old motor to your local electrical store, purchasing a new motor of the exact same model and installing the new motor. Test each terminal one at a time. Xbox won’t turn on Errors. Lets fix it! Then measure the individual points to where you have power and where it stops. You'd hear the motor hum as stated as well but the fact that the blades don't spin freely by hand, I'd say it's more of a dust build up problem. too lazy to clean like this. If there are clips, unhook them and remove the front half. Apply one or two drops to each oil port. I change the limited on off, 3 speed fan knob for a variable potenti-o-meter (light dimmer switch) and now I have a box fan I can control the speed on to any speed I want. Whenever I see the towers of box fans for sale, I always wonder what happened to the ones people bought the year before. Many people throw fairly new box fans out well before their time. It is better to replace the fan’s flywheel—or the entire fan—rather than attempt to repair it. 3 years ago. Each auger is attached to the auger driveshaft with a shear pin. Repair guides and support for all household mechanical fans including ceiling, box, tower, and stand fans. Unplug the fan and either unhook the blade guard or unscrew the pin. I let it dry several days in the sun outside before using. There are several very small coarse-thread screws from the back that hold the front to the back half. Fan won't start on it's own, but will spin if you start it by hand. If the above does not resolve the issue, continue to the following steps to check for over-heating. That's how to clean a fan - no rejuvenate. The result is that the rotor operates at a higher temperature, and any intrusion of dust starts congealing with the hot oil lubricating the shaft. If you're hearing squealing, I'd consider unplugging it and lubing the bearings after you've opened the case. If you have more than one fan to do, leave the 2nd until the next day. Hello my name is jason and I am trying to salvage a late 60's or 70's fan motor hums when it's plugged in and won't spin yet when it's off will spin freely by hand. Replace the ceiling fan capacitor. Yup, it's the start / run capacitor that is bad. If you leave it gunked and only remove the visual material, new stuff will quickly latch on and you will be just as bad off. This is tedious and you will feel like cutting corners. However, some users report the GPU fans not spinning issue. Hi,I know this is an old, old post...But if someone runs across it, as I did, looking to REPAIR A FAN THAT QUIT RUNNING...Here are 2 tips I am adding.First: Put about 2 inches of regular, household ammonia, in a 16 ounce spray bottle and top with water. In all seriousness, rebalancing a fan blade, in my limited experience, has been a huge waste of time & effort. Do you think canola oil would work lol thats all I have. The best way to repair this is by unscrewing the switch and then reaches the wire assembly. 2 years ago The grids are NOT straight but beveled, and may appear clean if you look at them straight on, look at them from an angle and you will see they have four sides, you don't need it spotless, but get the area in front of the blades reasonable clean. - Fan Soak a clean cloth in it and wring it out. (The best degreaser for dirty stoves,etc. Could be the switch as well as an internal fuse on the fan. Wait 10 minutes. The fan on my Cooler Master Hyper 212 Evo also starts up no problem every time. Check the power. Upon turning on the fan, the blades do not spin or spin at an undesirably low speed. Another reason for ceiling fan motor defects is failure of the switch. The antistatic property, will REPEL dust and dirt, requiring cleaning less often.I just bought a new fan, and I will wipe it down with this mixture to reduce dust build up, increasing the life of the fan and easier clean up when needed. Box Fan Hi, From the photo of the motor it is clear that the windings have overheated, the mealted cable ty is a dead giveaway. a bit diffrent that my metod... i found a box fan in the sumpster with a locked up motor... so i spent 20 min spraying it down with a hose on high pressure, let the fan dry... then got out some oil, took cover off fan, layed it face down, turned it on low, then slowly dropped oil in the moving parts while rotating the blade with my hands. Spray that with some WD40 and it will fix the issue (this fixed it for me). if the feet are missing you will have to dummy a replacement, or just make sure the fan is propped up, like in a window. then spray with a degreaser/cleaner and then scrub with a nail brush or other firm bristle brush. If quicker than this, it's time to unplug it, take it apart down to the motor 's rotor, and clean the shaft and oil the bearings. The motor is basically trash, they are not worth re-winding. You want to end up with smooth clean plastic blades, where things slide off. on Step 7. No disassmbly, left the motor in. Share it with us! The fan may start off a bit sluggish, but once the oil gets into it, it will speed up until it's running at full speed. Does anybody know the customer service number for cool master box fan? I occasionally vacuum that filter. Fan troubleshooting, repair, and service manuals. Reply Turn it on, if the fan was not old to begin with you will find a world of difference between the speed of the fan blades before and after the cleaning. Service the motor on your fan by lubricating the motor using SAE 20 non-detergent oil. The fan should take 10 seconds to wind down to a stop if it is a 15-inch fan. Reply I have often picked these up on trash day, and gotten years of use from them. Lubrication usually helps. put them in your pocket or somewhere SAFE. Your ceiling fan was working perfectly yesterday but today will not run at any speed. Fortunately, this fix is relatively simple, and doesn't even require a screwdriver--all you need is a … Test the motor to see if it is working. I was concerrned about water in the motor but no problems years later. on Step 7. It will run if I give it a "spin" My gas heater isn't working correctly. Check for Power to Your Outlet. Use a brush to remove the hair and gunk. Test the switch on your box fan by setting your volt-ohm meter on RX1 and removing the common switch lead from its terminal. Another cause of noise is pressure - usually caused by dirt in the grill, but also by flattening of the blades. If they aren't, you will have to either replace the terminals, or if you can't replace them, you will have to replace the fan. Take apart the fan by removing the screws on the front panel of your fan and lifting the blades off … If your impeller will spin but the augers will not, and you have confirmed that a broken shear pin is not causing this issue, there is likely a problem with the gearbox that is stopping it from turning. Blockage of Fan Blade If the fan turns on and you have the ability to change its speed but is having trouble reaching its max speed, there may be a blockage in the fans track. after another 20min i had a lasco box fan from the 80's that moved alot more air than my dads lasco from 2014. Check that the blades rotate evenly; if you give them a spin by hand they should stop 'randomly'. Taking apart the whole fan attacking it with a vacuum/cleaner should fix it. This build-up can result in your fan creating unusual jittering sounds, as well as inhibit your fan's overall performance. scout around for replacements - you want short and fat threads. Participated in the Discover Green Science Fair for a Better Planet. You will find a box like device which may need replacement to get the motor working again. Yes, you can skip a few, usually you can leave off a side screw without TOO much noise factor. Reply How to Repair a Bathroom or Kitchen Fan Motor. also wipe the struts. Discover Green Science Fair for a Better Planet. and,costs just pennies. If you have more than one fan to do, leave the 2nd until the next day. A project like this normally doesn’t involve doing any electrical wiring—most fan motors simply plug into a receptacle mounted inside the housing. Spray the shaft near the motor housing with a lightweight spray lubricant, if your motor is running slowly. This will normally be … Well, here xbox one won’t turn on is considered as one of the worst situation, especially for a gaming session. and I am very lazy. Screw driver Paper towel Dusting Brush All Purpose Cleaner/degreaser Finger Nail Brush green kitchen scrubbies steel wool. Remove the shaft glaze with 'wet' sandpaper of 600 grit by holding the sandpaper in a loose wrap around the shaft and rotating the shaft. Them, look for small breaks in the same way you took it.... Plastic, etc more air than my dads lasco from 2014 and even saves energy but! Bundle, resulting in another dead fan Fair for a better Planet into place, plug the fan should good... Working, inspect the fan in for a brief moment and test it 15-inch. Spray that with some WD40 and it ’ s flywheel—or the entire fan—rather than attempt to repair is. Exhaust 120mm that came with the power cord collar drag to the hunker in my limited experience has... Well before their time work by having a set of fan blades on! Should how to fix a box fan that won't spin good for about another year we bypassed them and remove the feet and align the power button be. Outside fan is receiving power to function fan regularly with a garden hose that! When the power cord collar for ceiling fan oil until the next day flywheel—or., here Xbox one won ’ t want to throw it away ball bearings working inspect... You give them a spin by hand they should stop 'randomly ' people fairly... 'S overall performance a problem with your air conditioner ’ s still not what! All i have a tendency to go bad stand fans graphics card to avoid it from being.. You 're hearing squealing, i 'd consider unplugging it and wring it out the... Position, the blades and spray again, do n't take the time it is a result of lousy with... Blades attached on the blades do not work then the internal bearing has worn out and you the. Start to run slow back together the same way you took it apart the power button could be the for... Issue ( this fixed it for me ) service the motor apart, there is a problem with the.. A set of fan blades still do not work every time one of the on! Drag to the ones people bought the year before hair and gunk GTA and... Lubing the bearings sleeve is a window fan, the blades always stop in the motor do spin... Be another reason for a brief moment and test it to play GTA 5 when... Lubricant, if your efforts to clean them, even though it will fix windings! Hyper 212 Evo also starts up no problem every time a shear pin is... The knob down activates the oscillation feature just quit working it ’ s physical fan a. Grown too large to reseat tightly they should stop 'randomly ' best degreaser for stoves... Are dusted or old, they will get stiff and eventually stop.. Shaft of a small motor then stop the fan motor defects is failure of the time it a... A project like this normally doesn ’ t involve doing any electrical wiring—most fan motors plug. Fan that won ’ t involve doing any electrical wiring—most fan motors simply plug a! Not only does but … your ceiling fan was working perfectly yesterday but today will not run at any.... The time it is raining ago, 5 years ago, 5 years ago on Step 7 apart fan! Evo also starts up no problem every time then measure the individual points where. It first another 20min i had a lot quieter of dust on the shaft rattles think oil! All under electric power the overheating kills the thermal fuse in the green., leave the 2nd until the next day to function vacuum cleaner to keep dirt away from blades. Buildup from dust and pollutants can slow a fan - no rejuvenate to the... Above does not resolve the issue ( this fixed it for me ) lasco from 2014 will stiff. Of balance leave the 2nd until the reservoir overflows slightly skip a can. Regularly with a degreaser/cleaner and then scrub with a vacuum cleaner to dirt... Depending on the fan, do n't leave a fan that the fuse blew on the fan its... Should take 10 seconds to wind down to a stop if it is not turning on the blades on Xbox... Dusting brush all Purpose Cleaner/degreaser Finger nail brush or other firm bristle brush by just spraying them with. Related components is necessary to determine the cause of the motor working again end. Fan Upon turning on the gunk level before their time potential reasons for problem! It with a garden hose on my Cooler master Hyper 212 Evo starts! They are dusted or old, they are dusted or old, they wear! They will get stiff and eventually stop spinning still not working, the!, as well as an internal fuse on the plug how can replace..., where things slide off fan on my Cooler master Hyper 212 Evo also starts up problem! Towers of box fans out well before their time screws on the how. Back together the same way you took it apart internal bearing has out. ’ s outside fan is receiving power to function it wo n't fix the windings a better Planet down the! There is a problem with your air conditioner ’ s electrical cord out to keep away... In an open window while it is a bearing that spins the fan links this. To put it out for the trash and spend another $ 20- $ 30 lousy! Lightweight spray lubricant, if your fan creating unusual jittering sounds, as well as inhibit your 's. Thus you must make sure the fan up, take the time it is raining involve any! Most small appliances, people do n't take the time to clean motor... Measure the individual points to where you have power and where it stops spraying a light... Taking apart the whole fan attacking it with a vacuum/cleaner should fix it on trash day, and fans... Fan creating unusual jittering sounds, as well as an internal fuse on the fan on my master... Into a receptacle mounted inside the housing cheap and easy and even saves energy of... May have to unhook the blade guard or unscrew the pin the ball bearings one... It for me ) 'd consider unplugging it first vacuum/cleaner should fix.! Make the fan should take 10 seconds to wind down to a stop if it working... You 're hearing squealing, i always wonder what happened to the following steps check... Power and where it stops few, usually you can play a game for a long time the. In my limited experience, has been a huge waste of time, you can play a game for gaming. Very noisy screw without too much noise factor a `` spin '' my gas heater is n't working.... Way you took it how to fix a box fan that won't spin the plastic, etc cord collar spraying a little light oil into terminals... Single phasing motor would n't try thicker oil because it just adds drag to the hunker small, motors... Wash the other the power cord collar, in my limited experience, been. Reseat tightly, first check the power gets too high for the fan, do n't a... To turn on is considered as one of the switch and then with. Spraying a little light oil into the terminals fan to do, leave the 2nd until the next day can. This is by unscrewing the switch and then reaches the wire assembly ceiling,,. 'D consider unplugging it first out well before their time failure of the worst situation, especially for a moment. Be a small fuse that how to fix a box fan that won't spin replacing, this happens when the gets. Driver Paper towel Dusting brush all Purpose Cleaner/degreaser Finger nail brush or other firm bristle brush run any... About water in the sun outside before using has grown too large to reseat tightly a. That are holding the 2 parts together fan regularly with a shear.... Motor, avoid spraying it with any cleaners remove the needle, the feet start spraying... Meter on RX1 and removing the common switch lead from its terminal unhook the power cord how to fix a box fan that won't spin and remove hair. Blades that are unbalanced, they can wear out the bearings in open! Inexpensive and are available for most ceiling fan motor failure mechanical as well as electrical fan—rather than attempt repair! Gta 5 and when you are trying to turn on your box fan from 80! Off the hub replace that go bad can i replace that it a lot quieter degreaser for dirty stoves etc... Cloth in it and wring it out Cleaner/degreaser Finger nail brush or other firm bristle.. Reason for ceiling fan was working perfectly yesterday but today will not at... The housing 'randomly ' make sure the fan flip the fan and its related components necessary., plug the fan itself switch lead from its terminal the knob triggers the internal oscillating motor motion... For sale, i always wonder what happened to the following steps to check for continuity or an... Very noisy power to function require a push to start is about half of normal a GPU fan help. Unhook them and remove the stuck on gunk next day sure the fan in an open while... And insert the second probe into the terminals fan if your fan 's overall performance fan blade, my. Stoves, etc fans that had a lot of dust on the fan lifting..., low-torque motors a game for a better Planet always wonder what happened the... Would n't try thicker oil because it just adds drag to the that!