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What makes unit vibrate?

Vibration when running

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  • Dryers Master
  • 744 Answers

Hello Kenny;

My name is Peter. I am a retired field service appliance technician.

That is a loaded question, not knowing what your model number is, and not knowing is you have a belt drum or direct drive with a transmission.
1.) You may have a component that is worn such as the drum idlers, the belt tensioner idler or the drum support rollers.
2.) You are more likely you have one or more components that are loose and require tightening, such as the drum idlers, the belt drive tensioner, the drum support rollers or the drive motor base.
3.) You may have a worn door/drum seal. It may have deteriorated in one section, creating a non uniform contact surface.
4.) If you have a direct drive dryer, then the problem will include the drive transmission.

I am sorry I can not be more specific. I need a model number, but these areas are general possibilities.

Posted on Nov 21, 2014

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Posted on Jan 02, 2017

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It is loud vibrating when comp. runs if I tip the unit up 3or4 inches it stops vibating is this ok too run this way?


No, not really. As the unit has to be in a level position to operate properly and not overflow.
If the unit is sitting on carpet, this will often times cause the vibration noise. I don't know why, but it does and it does with my 4 year old LG unit. I have noticed, that once the tank reaches the 1/2 full point, it will vibrate sometimes. I solved the problem by firmly smacking the left & right sides of cabinet at the same time, with my open hands. The vibration stops immediately and continues to run until it shuts off because, the humidity extraction level has been reached or the tank is Full & needs to be emptied.

It's a simple solution, but it works. I hope it works for you and thanks for choosing FixYa.

Aug 23, 2011 | LG LHD459EL Dehumidifier

1 Answer

Whynter Portable Air Conditioner Model: ARC-14S. Problem: It sounded as if something fell inside the unit while it was operating (cooling) then it started to vibrate horribly. The vibration is only...


Hi,Whynter Portable Air Conditioner has many moving parts, and they all make noise and cause vibrations. Some of these parts are more likely to causing shaking and loud noises, and sometimes this signals a larger problem, something to watch and scrutinize. If serious enough, it calls for a repair.

Loose Parts

Loose parts cause the majority of shaking and vibration noises in your air conditioner. A few of the most common loose parts include the air compressor, the piston rods and even the fan or blower unit itself. These noises are clunking, clanking sounds that occur along with a vibrating action. The only method of repair is a complete compressor replacement, which is a repair only a certified air conditioner technician is qualified to make. The compressor is a fully sealed component, so individual parts in the compressor cannot be repaired.

Fan Blades

Fan blades cause noise, shaking and vibrations even when properly secured. If fan blades contact the exterior structure of the air conditioner due to a bent fan blade or broken and misaligned grate, a constant, repetitive noise and vibration results, which sounds like a ticking or banging from the interior of the air conditioner. Vibration in this case is limited but still present.

Mounting Brackets

When an air conditioner shakes, there is a problem with the mounting brackets. These brackets hold the air conditioner compressor steady as it operates. Normal vibrations and shaking would otherwise occur without these brackets. A loose mounting bracket causes the air conditioner to rock back and forth and creates a clanking sound. As the compressor starts up, this rocking and clanking sound begins, resulting in a very loud and fast vibration and noise. It also occurs when the unit shuts down.

Other Sounds and Vibrations

Sometimes air conditioners squeal, hiss, hum or screech. Each noise is often accompanied by a vibration. Humming sounds along with a vibration may indicate a bad capacitor, the electrical part responsible for starting the machine. Hissing sounds tend to indicate a pressure problem while screeching and squealing sounds are fairly common in window air conditioners and in central air conditioners. This sound is also a result of the compressor motor. It usually starts when the unit turns on and continues through its normal operating cycle. Vibrations always occur in the air conditioner due to moving parts and the compressor motor's operation.


Hope it helped..

Aug 18, 2011 | Whynter Portable Air Conditioner

1 Answer

My chainsaw will not quit vibrating while im cutting wood?


This could be a number of issues, if it has an anti vibration system is this in good shape ( with the saw stopped, hold the rear handle, now try to move the engine unit seperate to the rear handle, does it readily touch/ rattle against the fuel tank , if so the anti vibration rubbers/springs are worn or broken and will require replacment, the engine unit should not readily move independant to the top/rear handle if this happens you will get all the vibration from the engine)
Cutting chain condition can also increase vibration, blunt/incorrectly sharpened chains will cause over loading due to operator pushing the saw too hard and creating contact of the engine unit to the handle system ( replace the cutting chain ), saw running rich due to blocked air filter ( clean the filter )

Feb 07, 2011 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

2 Answers

Roof Top air conditioner makes too much noise


Hello; Those roof tops can be noisy. Are you able to determine what is causing it? The fan? The A/C pump? Over tume, the vibration isolators that are rubber cushions the pump is mounted on, get weathered and hard and they no longer absorb the vibrations of the running pump. Those are easily chked and changed. The next point of excessive noise is the unit as a whole is tranmitting the combination of all the vibrating parts including its own housing. Here too we have a remedy. The roof unit has a seal between it and the camper roof around the hole it is fitted in. The seal is foam rubber and reasonably thick enougth to serve a purpose more than to seal out water and air. After and over time this seal ends up crushed from the weight of the a/c unit. Then the A/c unit comes in contact and is actually resting on yhe roof with what is now a very flat hard gaske. The roof unit is now vibrating the roof. This is as destructive as it is annoying. Ok? Now let's get rid of 80-90% of the noise. Check and replace compressor vibration isolator mounts. There are 4 bolts holding down the A/C unit. Sccess them from the inside by removing the ceiling trim and cover.There should be one on each corner. Bolts removed, one person push up on the unit and another on top lifting the unit. There are wires going to the unit and those may need to be disconnected. Clean the roof and the a/c where yhe seal goes.You can get a new seal from camping world or rv supply. Have your measurements, Unit make and model when you go.Assembly is just backtracking. On assembly, thinhs to pay attention to are:
Put the new seal on the A/C unit, not on the roof. It takes two people to ligft and set the unit back into the hole and center it in the hole. Don't slide it on the seal. lift it if it hs to be moved or the seal may roll over..
The wiring disconnected earlier must be dealt with and put in place for reconnecting.
Now start the bolts that hold the unit down.
Make sure-- Unit is centered
Wires can be reconnected
The four hold down bolts have their washers.
Someone go topside and verify the seal is properly in place. Measureing the for corners fo even height is one way to ck and looking under the unit is another. Now tighten the four bolts evenly. corner to cross corner. measuring again will help confirn its pulled down evenly. Pull it down no more than 1/4 to 5/16 of the seal thickness. Wire it up and put the trim and plastics back on and light it off. (run it and ck for noise and vibration. NOTE!!! The A/C unit cannot touch any solid part of the roof. Reason it was centered. Always ck the unit before each trip as you would any other psrts on the exterior of the camper. Good Luck Angie.

Sep 15, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

The unit vibrates and has a pulsing sound. I have


These things tend to make a bit of noise, some more than others. You will not be able to do much about the internal produced noise but you can do a lot with the resulting vibration noise.
While the unit is running, take a few minutes and actually touch the unit ALL OVER, you are listing for any vibration noise to cease or be less so where you are touching. This includes the collection pan and the filter. Slightly Tilt the unit in all directions. Make sure that the door to the collection pan is closed properly. Take a few strips of the peel-off adhesive sided thin window/door insulation and apply to the bottom of the collector pan, if it sits ON the bottom of the unit. Place an inch or two thick blocks of foam rubber under each corner of the unit. Make sure the unit is level. Some where along here you will stifle some of, or maybe even most of the noise.
Good luck. :)

May 06, 2009 | Dehumidifiers

1 Answer

Way too loud


it is prob. a pipe vibration, window unit are not knowen for quiet running

May 02, 2009 | Goldstar KG6000R Window Air Conditioner

1 Answer

Motorola T6550 pair.


I can see where this feature can seem somewhat inconsistent. But if you think of it like a phone ringing, it is easier to understand. Once you have answered the phone, the phone stops ringing. And the person who called you never experiences a ring on their end.

VibraCall® Alert
Page 26: VibraCall is a vibrating alert that notifies you that your radio is receiving a message. This is useful in noisy environments. When the alert is on, the radio
vibrates once every 30 seconds when you receive a message on the channel and
code you set.
• To turn vibrating alerts on, press menu until the vibrating radio symbol is displayed, then press the plus (+) button to display the letter Y for Yes.
• To turn vibrating alerts off, press menu until the vibrating radio symbol is displayed, then press the minus (-) button until the minus symbol (-) is displayed.

Dec 10, 2008 | Motorola Talkabout T6550 (7 Channels)...

1 Answer

Haier ESA 3185 AC won't cool; makes escalating loud vibrating noise near front panel/ filter


Have someone check the run capacitor of this unit. If the run capacitor is bad over shorted it can cause the unit to run and short cycle on a current overdraw. This makes for an electrical imbalance in the compressor motor. Next step is the compressor is faulty.

May 16, 2008 | Haier ESA3245 Thru-Wall/Window Air...

1 Answer

VIBRATING ALERT DOESNT WORK


Open the unit and clean the contact on the vibra and check the vibra to see if its stil ok. Use an eraser to clean the contact.

Jul 24, 2006 | Nokia 3220

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