Question about Fedders A6U14W7A Air Conditioner

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My Fedders room A/C model a6u14wta is making weird noises at high setting. What could be the cause of it? I posted a video of the problem http://www.youtube.com/watch?v=nmekh1dsqJU . Noise only comes on at high setting.

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Could be your bearing are going bad on your indoor fan but you only hear the sound when you turn it. Could also be something hanging behind it and it only hits the fan when you turn it on high and it pulls it into the fan blades.

Posted on Sep 28, 2010

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Posted on Jan 02, 2017

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It sounds like a bad color wheel (see photo) which will give a fan like or high pitched sound.

Very common on these sets and can be a do it yourself repair.

You Tube has complete video instructions for replacement for most of these models.

The wheel turns at over 12,000 rpm (very small part) and the bearings in the motor fail causing a fan like or whine noise.

If it fails all the way and shatters (it can) set will not even make it on---set is monitoring the wheel and if not at right speed or stops almost instant shutdown will happen.

see the photo and let me know if questions--replaced a lot of them and your description is classic.



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The fam motor bearings are dry and need oil..wd-40 with the long spray nozzle maybe the best way to get oil on the bearings... some motors are sealed and it is very dificult the get them quiet again...spray right where the shaft comes out of the motor and then lean the unit back so the oil runs into the motor and let it set for awhile..then try it...

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