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My fan is making a wierd humming sound when it speeds up and sudenly i hear a twisting sound it stop and do it agen time after time

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  • GomaRampen Feb 11, 2009

    its working now but it can go days befor the same problem come it might be full of dust or is it???


  • Anonymous Mar 05, 2009

    I have a wierd humming sound coming from the speakers in my HP pavilion pc. It comes every 1 minute.

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  • 237 Answers

Sounds like you might have a broken fan

Posted on Feb 11, 2009

  • John Cole
    John Cole Feb 11, 2009

    it sounds like there is a crack that is throwing it out of balance.

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1 Answer

I installed a new Broan QML30SS range hood and fan makes loud humming sound as it runs


An old elecricians joke says "do you know why it hums? It dosn't know the words" Al kidding aside ,have you checked to see how free the fan blade is? The should spin very freely. It kind of sounds to me like it may be having a hard time comming up to full speed. You may try some graphite lube on the motor. If I recall Broan has a lifetime garrentee on the motor. You might just want to repace it if I am correct.

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Once you turn on aircon with fan with high speed, the air blown doesn't get cold even after a while. The fan makes some wierd high pitch sound as if like metal against each other. The fan stops once in a...


Your AC needs a good overhauling as the fan seems struck on the bearings or the blades are rubbing the sides. Also the compressor fails to cool as there can be low gas, low pumping pressure or a blocked condenser.
You need to remove clean the coils and lubricate the fan to be set back. Check the capacitor to the fan and compressor as a low value will reduce the speed and so reduce pumping pressure.

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STARTED QUITTING AT HIGHWAY SPEED , BUT WOULD


Well if it is a gas engine truck the most likely cause is a bad fuel pump. If it will not start now, turn the switch on and listen to hear the fuel pump. It should make a faint hum noise for about 3 seconds after the switch is turned on, it will only run for a few seconds to prime the system. If you have someone to help you, you could put your ear to the fuel fill with the
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May 23, 2010 | 2006 Chevrolet Silverado

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Both the refrigerator and freezer are set to the recommended temperature, however, the refrig unit is making a loud humming sound. This sound stops when you open the door, but begins again when it is...


There is a fan that blows cold air into the refrigerator. It usually stops when the door is opened. Check to see if it might be frozen with ice if the humming sounds abnormally loud. Usually if it freezes up you cannot hear the fan running and the refrigerator will not get cold enough.

Aug 25, 2009 | Refrigerators

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My scooter makes wierd humming noises


This sounds like (passing) resonance -- a natural phenomenon. You might be able to eliminate it by just tightening some bolts in the exhaust system -- or, it may never go away, or it may stop of its own accord.

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1 Answer

Hampton bay fan noise


The fan does not need to be oiled. The bearings are what manufacturers described as "permanently-sealed", which means that they're designed such that they don't require oiling. The manufacturers recommend against oiling, and if you really wanted to do it, you'd have to be an expert, because there is some very complex disassembly to be done, which requires specialized tools.

HOWEVER...

The problem is not related to oil. A lack of oil does not produce a hum. If a fan's bearings are low on oil, the sound generated is a scraping or brushing sound. A hum, on the other hand, is an electrical sound. All fan motors hum to some degree -- the cheap made-in-China ones, like in your Hampton Bay fan, hum more than others. There are some steps you can take to reduce the hum:

* If you are using the fan with a solid-state control (i.e. a dimmer), that will cause the fan to hum. These controls are dangerous when used with fans, and a fire can result. You should have a qualified person remove the switch immediately and replace it with either a regular on/off switch OR a discrete-speed (i.e. 3-speed or 4-speed, rather than variable-dimmer) switch. Specially-designed ceiling fan switches such as this are available at your local Home Depot or Lowes. You could also use a remote-control system.

* If you have a remote control or other speed control system, make sure that the pull-chain speed control on the fan is set to the "high" position (highest speed possible) and left there.

* Make sure that all the screws are tight -- this includes screws which hold up the fan's mounting bracket, hold the blades onto the fan, and hold any applicable glass onto the light kit.

* Even if you don't have a speed control, the motor will still produce an electrical hum -- and the blades, which are physically attached to the motor, serve as mechanical amplifiers -- they take the tiny electrical hum and amplify it just like the big brass funnel speaker on an antique gramophone (record player) takes the tiny vibrations of the needle on the record and amplifies them to a comfortably audible level. High-end fans have a rubber flywheel attached to the motor between the blade holders and the motor unit -- and since rubber doesn't transmit vibrations well, this effectively deadens the sound. Your fan doesn't have one of these, but you can effectively replicate the noise-dampening effect by putting rubber washers between where the blade holders touch the bottom of the motor AND between where the screws which hold the blade holders onto the motor, meet the blade holders themselves. This will completely remove the path along which the sound vibrations can flow to the blades, and thus your hum will stop.

I hope this helps you! If you have any other questions, or need clarification, please ask!

Jun 14, 2008 | Hampton Bay 24002 Ceiling Fan

1 Answer

Fan Stops blowing air


Isthis a window unit? It sounds like it. There could be a problem with your fan switch or the fan motor itself? Multi-speed motors can lose one speed at a time. It really sounds like the fan motor is bad. If the compressor starts in the cool mode, and the fan doesn't, the fan motor could be locked up. See, if you can spin the motor by hand? If you can, then something is bad within the motor. Now, if the motor has a capacitor, check for a loose or burned wire. Good luck.

May 18, 2008 | Maytag Heating & Cooling

1 Answer

Celing fan making noise, how to oil


The fan does not need to be oiled. The bearings are what manufacturers described as "permanently-sealed", which means that they're designed such that they don't require oiling. The manufacturers recommend against oiling, and if you really wanted to do it, you'd have to be an expert, because there is some very complex disassembly to be done, which requires specialized tools.

HOWEVER...

The problem is not related to oil. A lack of oil does not produce a hum. If a fan's bearings are low on oil, the sound generated is a scraping or brushing sound. A hum, on the other hand, is an electrical sound. All fan motors hum to some degree -- the cheap made-in-China ones, like in your Hampton Bay fan, hum more than others. There are some steps you can take to reduce the hum:

* If you are using the fan with a solid-state control (i.e. a dimmer), that will cause the fan to hum. These controls are dangerous when used with fans, and a fire can result. You should have a qualified person remove the switch immediately and replace it with either a regular on/off switch OR a discrete-speed (i.e. 3-speed or 4-speed, rather than variable-dimmer) switch. Specially-designed ceiling fan switches such as this are available at your local Home Depot or Lowes. You could also use a remote-control system.

* If you have a remote control or other speed control system, make sure that the pull-chain speed control on the fan is set to the "high" position (highest speed possible) and left there.

* Make sure that all the screws are tight -- this includes screws which hold up the fan's mounting bracket, hold the blades onto the fan, and hold any applicable glass onto the light kit.

* Even if you don't have a speed control, the motor will still produce an electrical hum -- and the blades, which are physically attached to the motor, serve as mechanical amplifiers -- they take the tiny electrical hum and amplify it just like the big brass funnel speaker on an antique gramophone (record player) takes the tiny vibrations of the needle on the record and amplifies them to a comfortably audible level. High-end fans have a rubber flywheel attached to the motor between the blade holders and the motor unit -- and since rubber doesn't transmit vibrations well, this effectively deadens the sound. Your fan doesn't have one of these, but you can effectively replicate the noise-dampening effect by putting rubber washers between where the blade holders touch the bottom of the motor AND between where the screws which hold the blade holders onto the motor, meet the blade holders themselves. This will completely remove the path along which the sound vibrations can flow to the blades, and thus your hum will stop.

I hope this helps you! If you have any other questions, or need clarification, please ask!

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1 Answer

GE SidexSide PSS26SGPASS Makes Humming Noise


GE refrigs have a variable speed evaporator fan motor that is controlled by a computer board on the back of the refrig. now the noise you are hearing is most likely the fan motor ramping up and down in speed (some of my customers say it sounds like a ghost). if its a continuous ramping up and down then the speed cotroller on the board is bad and must be replaced. if its just an occasional sound then thats normal and nothing to worry over.

Btw the reason the noise stops when the door opens is because the fan shuts off when you open the door.

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