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Outside unit compressor vibrating loudly and fan not functioning

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Replace fan motor and capicator (the little silver can with the same manufactures specs.. before it locks the compressor up> Call the co. to see if its still under warranty. Thank-you-very-much!

Posted on Aug 27, 2008

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My outside unit is making a loud weird noise but the inside unit is working completley fine it is 7yrs old now


the outside unit is where it all happens. That is where the compressor is and its cooling fan. The inside unit is just an evaporator, a bit like a car radiator and a fan. The inside unit is protected by the room, the outside unit is in the rain, snow and wind.

You need an AC engineer.

Feb 01, 2016 | Air Conditioners

1 Answer

How do I fix my A/C


can be a bad fan motor, defective capacitor or contactor issue. capacitor is cheapest fix if bad.

May 11, 2014 | Bryant Air Conditioners

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

2 Answers

On tempstar heatpump the outside fan makes a loud noise


Well, that could mean a lage list of problems from which to choose, 1st I suggest you isolate the fan to be sure it is the problem; Hopefully you have an outside disconnect box for the unit, stop the power at this discoonnect and wait 3 minutes. Place a large stick or metal bar throught the topgrill to hold back the fan blade from turning. Now connect the energy at the disco box ( you may want a second person so you can hold the stick in place). You will not harm anything by holding the fan from turning for a short time. If you hear the noise that you suspect after the unit runs for 20 seconds, then the problem is most likely the compressor. If you do not hear the noise, then remove the stick and aloow the fan to turn. You at this point should be able to see if the blade is clangging, or the blade is imbalanced and vibrating, or the noise is coming from the fan motor itself. The most likely problem is the bearings of the fan motor are worn and the motor is screaching or laboring; in which case you need a new motor unless you are savy enough to replace the bearings in the motor (however, this is not always cost effective unless you really know your stuff). Check the blade for fatigue fractures in the metal and check the mounting points that hold the motor in place-----sometimes these mounting points also fatigue after years of vibrating and need to be reinforced with oversize washers or the entire top grill piece needs to be replaced if the cracks are too severe. Goodluck, Macgivor

Jan 02, 2010 | Ruud Central System Air Conditioner

1 Answer

Outside fan does not spin and a loud screeching sound coming from


Hey there, sounds like the bearings seized in your fan motor. You need to replace the fan motor. If the compressor runs without the fan, th pressures build up and if they reach an extreme point, the compressor will bypass internally, creating a loud sound as the high pressure is released to the low pressure side. I would turn the thermostat on and stand by the outdoor unit as it start. Leave the disconnect on the wall readily available so you can quickly turn it off. If the compressor sounds ok when it starts up and runs for a couple seconds, turn it off right away and replace the fan motor and you should be good to go. If the compressor sounds bad or real noisy immediately at start up, the fan motor not working killed your compreesor. You would need a motor and compressor, might as well replace the unit at this point if you are paying to have it done. Let me know if you need anything else
seth

Jul 03, 2009 | Carrier Air Conditioners

1 Answer

Home AC Compressor starts asynchronously with cooling fan


Check outside unit capacitor and the contactor.. I work on Goodman unit sounds like a cap or contactor

Jun 07, 2009 | Goodman CKL24AR24 Air Conditioner

1 Answer

A/c compressor


observe where the noise could be coming from, it could be from the fan or from the compressor.

it could also be just a loose metal vibrating.

if it is still cooling, then it could definitely be just a loose metal housing or bracket.

hold onto it and feel if the noise would disappear.

tighten all loose screws and bolts. replace the screws if necessary.


tnx 4 using fixya,

drcool





Sep 14, 2008 | Air Conditioners

1 Answer

I have a carrier infinity system. On the thermostat it reads "sens error" where the outdoor temp is normally displayed. The inside unit is running but the outside unit is not. Any suggestions?


A burned or pitted contactor will/can cause a unit to not run. Outside fan. Just thinking out loud. Start with low voltage check at t.stat then check outside low volt. Set t.stat to on. If fan engages at least your transformer is good. Next set calling for cool. Drop t.stat 68-70. If nothing happens go outside and with a screwdriver depress the contactor in. If fan and compressor kicks in change the contactor. If contactor is pulled in check outside fan. Remove the wires from the compressor and see if the fan will run . If it does you have eliminated start components as good. The compressor has to be check. It needs to be ohmed out. Turn off power at disconnect. Pull the cover on the compressor. Check between pins; then pins to ground. Open or infinite is good.Have you checked fuses. Like small 3-5 amp fuses

Jul 03, 2008 | Carrier Air Conditioners

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...

4 Answers

Loud as Hell


Is it installed in a window? Check to make sure it is installed correctly. usually there is a felt or foam strip that is used to dampen vibration when you place it in the window. It also acts as seal to keep outside air and bugs out. If you place your hand at various locations on the unit does the sound go away? If it does then you know it is a vibration problem. Just add new foam or re-adjust the foam or gasketing it already has. If that doesn't work then try to locate the source of the noise. Use a mechanics stethoscope or even a cardboard tube from paper towels will work. Once you have located the source then you can tell the store what the problem is when you take it back and get a new one. Cheap air conditioners are noisy. Some more than others, it's why they are cheap. But your problem does sound like it could be a product issue.

Sep 25, 2007 | Haier Mechanical Air Conditioner HWF05XC7

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