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Motor hums and dont turn but will pick up speed if you spin the wheels

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Hi, I don't know which model you have but it either has a start capacitor or starter windings that are bad. That's why it will run with a start by you. If you are handy you can take it apart and replace a capacitor for a couple bucks. Start windings you need a multimeter to find the problem. Good Luck, this should Fixya!

Posted on Mar 03, 2009

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Posted on Jan 02, 2017

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I have a Samsung electric dryer dv400 that the drum doesn't turn when you press start. It just hums but doesn't turn.


Check the blower housing to be sure there are no foreign objects blocking the blower wheel from spinning, also see if you can turn the drum by hand, but don't spin it more than a foot or two as the belt may come off.

Jul 24, 2016 | Samsung Dryers

1 Answer

Runs fine on low speed hums on high speed (turns slowly) is it a capacitor problem, internal windings or controller?


Motor itself is the culprit.

Capacitor helps the motor to start spinning from a dead stop, so NO, it is not a capacitor problem.

Probably high speed windings. Means - New Motor needed.

Another possibility, is the controller could be sending power to "Both" sides of the windings: High speed & Low speed at the same time. But normally when this happens, you hear a loud buzz type of sound, motor will spin slowly - if at all.

Good Luck

Mar 11, 2015 | Pool & Spa

1 Answer

Goodman air handler ARUF036-00A-1A does not blow air in heating or cooling mode only hums/buzzes, what could it be?


Looking at the wall thermostat, you will see the fan switch that has two settings: fan auto, fan on.
You will need to place the fan switch in the fan on position for testing purposes.
This will make the indoor fan run continuosly, and never cycle off.
In the fan auto position, the fan will turn off when the thermostat temperature setting has been satisfied.
Remove the air handler access panel.
Is the air handler fan operating?
If the fan isn't working see if you can listen closely if it is humming, or can touch the motor to see if it is hot.
If it is humming and has a bad capacitor, you can tell this without having an electrical tester by spinning the fan wheel by hand.
Be very careful... making sure your hand won't get cut by the fan wheel spinning when it starts up.
If the fan spins and picks up full speed, replace the defective fan capacitor.
It is the shiny silver metallic cylindrical object with electrical wires attached to it.
Make sure you write down where those wires attach and turn the power off before removal as they carry 240 volts to the fan motor.
If you find that the fan wheel doesn't turn freely when you try to spin it by hand, the bearings have seized and you will need to find another fan motor of the same size, shaft length , speed , and horsepower to replace the defective motor.
Keep in mind that a humming sound in the air handler COULD be from the transformer instead of the fan motor.
The transformer is a black cube shaped device with electrical wires attached to it.
If the 24 volt transformer goes bad, your thermostat will not function and nothing will come on.

Dec 01, 2014 | Goodman Heating & Cooling

1 Answer

Blower won't run


usually a "humming motor" indicates either a bad capacitor or a defective motor. With the power off try to spin the blower wheel...it should spin freely. If it is tight or wont spin and there are no obstructions stopping it (like an air filter sucked into blower or other debris) then the motor most likely is seized. If the blower wheel spins free then you may have a bad capacitor. Keep in mind, just because the blower spins easy doesn't mean the motor is good. I have had motors that are defective that dont seize up but most of the time the blower wheel will not spin free if the motor fails.

Oct 07, 2012 | Desa International Blower Glow Warm Wall...

1 Answer

Drum not turning, hear humming noise


the humming noise is from the motor,see if you can spin the drum by hand,if it moves you have a bad motor,if it's hard to turn you could have something stuck in the blower wheel or the belt is jammed somewhere,the blower wheel is behind the duct that the lint filter slides into

Mar 20, 2010 | Whirlpool LER4634J Electric Dryer

1 Answer

Doesn't start hear a hum


the humming sound is from the motor,check the blower wheel to make sure nothing is jammed in it,spin the drum with your hand and see if blower wheel and belt are spinning with the drum if they are you have a bad motor

Nov 08, 2009 | Roper REX4634KQ Electric Dryer

1 Answer

My blower motor will not start. it hums and gets very hot. i can spin the wheel with no resistance gmp075-4


Assuming you are spinning it when the motor is humming, if the motor runs after spinning it it could be the run capacitor (replace) or open/broken start winding in motor(need new motor). Humming should indicate the motor is getting proper voltage. If motor does not try to run by spinning then open run winding in motor (replace motor).

Aug 30, 2009 | Heating & Cooling

2 Answers

Blower motor hums but wont start


Check motor capacitor and try spinnig blade or wheel to see if spins freely if doesn't then the bearings are bad in motor and needs replaced

Apr 09, 2009 | Heating & Cooling

1 Answer

Fan on furnace not spinning


check the fan capacitor first. its a little silver flat battery looking thing near the motor. be sure to kill power. test mf value stamped on the side with a meter, or take to a motor shop and test. if its good the motor is bad. . pull whole blower assembly and change the motor or take to motor shop and let them change. label all wires and where they go and the color. it will be tough if you don't know motors and all but generally white is to white and is common or neutral. black is high speed for ac . red is low speed for heat. brown and brown with stripe go to capacitor. blue and yellow are med and med hi speeds and taped off or put on vacant terminals. be sure to clean wheel when you have it out. good luck. you can't make to many notes , mark stuff with a sharpie pen as you dissassemble. note rotation of wheel, location of screws, clearances of wheel on each side check rotation of wheel on completion, cups into the wind. <------ )

Nov 21, 2008 | Heating & Cooling

2 Answers

Horrible noise


it is the color wheel i have a similar problem and am looking for the part, the color wheel is a small electric motor that spins at a high speed and it can go bad. which will lead to the horrible squeel/hum/buzz.

Apr 24, 2007 | InFocus ScreenPlay 4805 Multimedia...

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