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Re: Viking VEDV1200 fan not spinning
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We bought one from our neighbors in a garage sale that did NOTHING when turned on. If you attempt to turn the fan on and you cannot feel, or hear, it make any kind of humming sound, mostly likely the thermal fuse in the motor is open. An ohms check of the windings will reveal an open fuse. Probably 99.99% of all people will have to thrown their fans away at that point as it would be too costly to have it repaired as the fuse was never intended to be replaced. As an electronics tech for 40 years I am cheap enough and experienced enough to be able to find the fuse and replace it, albeit it can be a little tricky. The reason the fuse blew (opened) is because the shaft that the fan spins about was gunked up from years of accumulating dust, etc. The lubricant that is suppose to let the bushings (no bearings, just two bushings; one on the top and one on the bottom) spin freely gets guey over the years and slows the fan down and it can't spin freely anymore. That causes the motor to overheat trying to get the fan to spin. The overheated motor in turn blows the fuse to prevent a fire. SO, if you can catch the problem before it gets to the point to blowing the fuse you can salvage your fan and get a lot more years of normal use out of it. If you notice your fan running slowly, or if it doesn't coast for a little while when you turn it off (it stops fast or suddenly) or if you stick something through the air fins in the front cover (WITH THE POWER DISCONNECTED) and attempt to spin the motor but it doesn't spin freely, then the bushings are drying up and the motor is about to blow open the motor thermal fuse. If you can find a friend who is handy they can disassemble the fan fairly easily and relub the bushings. Otherwise, it's dumpster material.
The motor spins on brass bushings. you can try oiling the brass bushing. take off the front grill then gently pull off the fan blades. you need to oil the motor center shaft lay it on its back so the oil will run down into the bushing(not to much and use a light oil). there is one on the back of the motor also, this one is a little harder to get too. if this dont work you need a new motor. you can get on off of ebay cheaper. the motor should be replaced by some kind of tech savey person, as the are delicate and a very specifice disassemble procedure.
Sounds like it may actually be the bushing pack inside if the motor. Spinning the blade by hand is not going to spin it fast enough to hear the problem. If the unit is new, I would recommend returning it for exchange of a new unit. If it more than 1yr old, it's out of warranty and will be cheaper to just replace it rather than repairing it.
For less than $100 you can buy a newer, more efficient model. Depending on the size of the room is how should judge what unit to buy. An under sized unit will not pretty much nothing, except make noise and remove some of the steam. Remember to buy a fan with the lowest SONE rating as it will have the highest quality motor housing and best air removal.
This will take some work, and some elbow grease, but what happened is the motor bushings most likely seized. Try turning the blades with your hand. If they are stiff, the bushings are seized. What you will have to do is take the fan apart. First by removing the blades, then by taking the motor off of the frame. Then depending on the type of bolts/ screws that hold the motor together, remove them. Then split the motor apart by taking a flat blade screwdriver and sliping it between the two pieces of the motor and turning it so they slip apart. then once the motor is apart, shine up and clean the motor's shaft so it is clcan and shiny. then do the same for the bushing/ beringholes in the motor's casing. then drip some oil in the berings, and on the motor shaft, and put the motor back together. then put it back on the frame, and plug the fan in. turn it on. the shaft should just spin without any help. if this does spin, put the blades back on, and put the guard back on. Then you sucessfully rebuilt the motor and the fan!
If the fan does not spin and the motor hums, you have a stuck rotor. It may be due to bushing/bearing alignment problem or a lubrication problem. Try to spin the fan blade manually. It should turn freely, otherwise the rotor is stuck. Remove fan blade and put few drops of lubricating oil on the bushings/bearings and manually turn the shaft to free it up. Alignment of shaft and bushings/bearings must be after lubrication is done and the rotor is still stuck. Move the shaft up and down and side to side until it smoothly spin when manually turned.
Check the bushings for alignment and lubrication. Dried accumulated dirt makes the rotor stuck and hard to turn. If this is the case, remove the oscillation gear assembly at the back of the motor. Lubricate the front and rear bushings while manually turning the fan to loosen it. Do it until the fan smoothly spins. You can use engine oil as lubricant or even cooking oil but don't let it flood the motor assembly. If the fan smoothly spins when manually turned but still makes a whining noise when plugged and switched on, align the bushings.until desired result is obtained. Note: These procedures are based on my actual experience and makes a perfect result. Extra effort is the only investment.
Most likely a lubrication problem. These motors can easily become "gummed up" from use. I normally would remove the motor and hold it with the shaft vertical, I would then apply a few drops or 3in1 motor oil just above the bushing (bearing) and allow gravity to move the oil into the bushing while turning the motor by hand. I would flip the motor over and do the same to the other bushing. This motor should spin quite freely. Do not over oil. once the motor is spinning freely, wipe any excess oil from motor and reassemble and test.
you may have a bushing problem on the drive motor due to dirt or flint. you can check that by removing the belt and try rotating the motor manually. see if it is easy to turn or not.check also the bushing if you can move the shaft sideways..if it has a slack then its a bushing problem. replace the drive motor.