Fan will not oscillate anymore. it makes a clicking noise like it's stuck

Question edited for clarity.
Question moved from Laundry Dryers.

There is a gear stuck or broken. It needs stripping and cleaning. Videos that should help.

https://www.google.com/search?q=allaire+no+16+fan+not+oscillating

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Take it to a local appliance shop and they will diagnose and repair. The motors are standard items. The oscillation is powered by the fan motor.

remove cover and check the gears for damage

Remove bottom and check if gear is stripped or very dirty so can't turn.

Usually it's the fan or fan motor, or the rotating motor making the noise. Usually you can pull it off or clean it...AND the bearings, which could be crudded up.

Buy a new fan or do without the oscillation untIl it breaks worse, thenndiscard or pay a lot to have a new part made. Lasko will nOt and doesn't stock the replacement Teflon partial gear that wears out. Planned obsolescence!!! Buy a Honeywell or more reputable fan with a better warranty Hint: they don't exist anymore!! Caveat Emptor!!!!! THERE ARE NO MORE BUSINESS ETHICS IN AMERICA!!!!!!

mcdevito75 here, Sounds like that oscillating swtich is either a little loose or could use a drop or 2 of 3 in 1 oil. Try to twist offf the oscillating swatch button and see if you can tighten it or put a drop of oil on it.

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.

its extremely simple... when it does that put your hand on the oscollator cover and hold it with light pressure for a couple seconds then let go. it should work

inside the motor there is a nylon gear that is broken. the oscillation operates off a gear connected to the motor drive.