Have FV-11VQ3 fan--was cleaning it--noticed some dust caked onto the blades of the fan--vacuum does not seem to clean it. Tried Q tips--but not easy to clean with them. Any suggestions about how to clean? Was thinking of air compressor.
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The roaring noise is probably the fan blades (looks like a hamster wheel) are worn out as it rotates on the spindle/shaft.
It may be a problem with the 4" exhaust ducting, that connects to the exit part of the fan, has come loose. Theres a damper (kinda like a flapper) at the fan/ducting joint may have broken off and may be sitting sideways in the ducting flapping around inside the duct.
At any rate I highly doubt its wiring. Sounds like its time to pull the fan cover off (turn the power off first via the wall switch or the service panel breaker would be even better) and look at the fan blades. Clean off any dust bunnies, lint, etc. and turn the fan back on. Did the noise stop?
If nothing looks out of place and it still makes noise you'll have to get in the attic and remove the ducting from the fan and see if theres a problem at the connection there. Maybe a squirrel put its bedding in the ducting? It happens.
Could be lots of reasons for the noise but wiring it wrong wouldn't cause roaring. The fan wouldn't work, or worst burn up, if wiring was the issue. The problem is the more than likely the fan blade assy is worn out or something is restricting the air flow in the ducting going to the outside of the house.
Flip open the latches around the cage to open that part up. Once open, turn the knob in the middle of the blade to the right. Normally iyou turn it left, but on this ne you turn right. That enables yo to remove the blade. Behind the blade is a rather large plastic nut, which you turn to remove and that takes the back part of the screen off. Use your vacuum to vacuum out the dust from the motor, the cages, and the fan blade. After that use a mild soap and water solution to wipe off the rest. I found it very helpful if you use a thick wet hand towel to clean the wire cage. It cleans it very well! Then just put it all back together again and your fan will look brand new.
The inside part of the fan should be able to be taken out for cleaning. The best thing to use to clean the blades is compressed air, or if thats not an option then an old toothbrush should do the trick.
I have had good results using a product called Scott's Liquid Gold. It's available in many stores including grocery stores. I started using it to clean up console televisions after repairing them. Make sure you wipe it clean after using it. The residue will attract dust if you don't. It's sort of a "super Pledge"
Usually, there are two fans on a desktop PC. Some computer have three.
One cools down the power supply and it may be quite noisy after a while because the dust in the fan. The second one is to cool down the processor and usually it doesn't stops, it only changes its speed according the heat.
If there is a third one, it will stop when the temperature is cool enough for the system.
Only on notebooks the processor fan stops completely after a while to save some energy.
How do I clean my Cyclone or Air Companion™?
Lay the fan face up on a flat surface. The front grill should be facing you. Remove the screws from the rear grill. Place a flat-head screwdriver into the gap between the front and rear grills. Pull the front grill towards you, exposing the fan blade. Do not remove the knobs on either side. Then, wipe the blade with a soft, damp cloth. Use a mild detergent if necessary. Be sure not to touch the motor. Click here to download product instruction sheet.
well! no brand and model,anyway the guard fan has a quick clip lockaround the fan blade,be sure to unplug your electric fan before doing this, unlock clip lock then the fan has a quick handy lock knob at the center of the fan observed loosening knob there is direction arrow in loosening this if i'm wrong going counter clockwise,or take the direction indicated marked on top of knob.
pull out the blade and have it clean if this is a plastic or aluminum clean it with water and spounge/cleanser,avoid to distorsion on fan blade if happen this will wiggle when run again be carefull and on the second guard fan still connected to your electric fan,there is plastic lock nut release and pull out the 2nd fan guard,try to clean this with water and cleanser,the motor assembly with control and stand just wipe it out ,don't try to get wet specially the motor,let all dried up before reassemble.reverse the process to eassembly