Question about Air Tools & Compressors

Open Question

Air Compressor starts then stops

I have a Sears air compressor model 921-153500. When it starts in only runs for a few seconds and stops. It does not trip a circuit breaker in my shop. I removed the cover to the pressure switch and pressed a black button that appears to be a reset button. It will then again start and stop after a few seconds. I just replaced the pressure regulator as it was leaking. Compressor ran fine for a few cycles after the regulator replacement before the problem described above began.

Posted by on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

  • 138 Answers

SOURCE: sears craftsman 3 gal/1.5 hp air compressor won't run

are you using an extension cord? if so, plug the compressor into a wall socket, if it fires up fine then your extension cord is too long or not heavy enough - other problems could be a bad start capacitor, a loose connection in the pressure switch, or a bad switch

Posted on Aug 18, 2009

  • 19 Answers

SOURCE: Air leakage through pressure switch needle

1)Let your unit pump up.
2)Turn it off.
3)Find the supply line from the pump to the tank.
4)Remove the supply line from the pump head.
5a)If you hear air coming from the tank you have a bad check valve.
5b)If you do not hear air coming from the tank, you have a leaky
pressure switch.

Posted on Feb 02, 2009

  • 1383 Answers

SOURCE: Makita MAC2200 runs fine (with new Manifold Switch

I have worked on many makita compressors and have run-across this problem on a few of them. Your compressor has a check valve that is supposed to hold tank pressure after the switch reaches set pressure. There is an unloader valve built into the pressure switch that releases the pressure in the discharge hose after the unit shuts off. The unloader allows the compressor to restart with-out any pressure in the discharge line. If the brass check valve is leaking pressure back into the system, air will leak out of the unloader valve. Follow the discharge line to the tank and you will see the brass check valve. To test valve for fault, run the compressor till it builds around 80 psi and unplug the unit from the wall outlet. Remove the 1/4" hose connector from the check valve and check for air leaking out of the valve. If it is leaking you can order form www.toolpartsdirect.com. or call the makita 1-800 number. The price is about the same. Good Luck on your repair.

Posted on Mar 19, 2009

  • 67 Answers

SOURCE: Electric Air compressor just hums then trips breaker.

usally there is a releaf valve that takes the pressure off the compressor while it is resting. If that pressure is not off when the drive piston starts the motor will overload and blow the the breaker or reset. Check for a releaf valve for when the unit has reached full pressure

Posted on Jun 16, 2009

  • 98 Answers

SOURCE: breaker relay tripping out

If the unloading valve trips , which i think is the safety valve that tells me the compressor is pumping up past its maximum allowed pressure. that black switch should be the overload switch. check the amps of the wires going to the motor while its running and then look at the name plate of the motor to see the maximum amount of amps that the motor is allowed to draw.

Posted on Jul 21, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Where is the reset button on sears air compressor #15364


if your compressor has a reset button its going to be right next to where the power cord goes into the motor , most times there red but not allways , also air compressors use a demand switch as well , there usually is a manual off lever on the side of these , this will interrupt the automatic start feature of the compressor and wont allow it to run , just follow the power plug wire the little "possibly grey " box it comes too is the demand switch

Nov 22, 2016 | Air Tools & Compressors

1 Answer

1989 deville load level compressor runs for 3 seconds then stops after turning ignition switch on


Check and make sure that the level control lever that goes to your shocks was reconnected. Might have been overlooked....Hope this helps.

Mar 30, 2014 | 1989 Cadillac Sedan DeVille

1 Answer

My Whilrpool AC Model number ACM102XJ0 fan is blowing air but it's not cooling.


Air conditioner compressor will not start. When power is applied to the air conditioning outdoor unit the fan starts, but you hear a sound like the compressor is trying to start, "UGGG"..., for about 5 to 10 seconds and then all you hear is the outdoor condenser fan run. The compressor is locked and will not start. What is happening is the compressor is trying to start, but because the compressor motor is locked it tries to start for a few seconds and then because of the high amperage being drawn goes off on internal overload. The internal overload protects the compressor windings from overheating and burning up. I see this many times during the start of the air conditioning season. Some compressors just have a hard time starting after sitting all winter long. Many times I can get the compressor started again without having to buy a new compressor by using the device known as a "Super-Boost." I keep two or three of these on the truck. They have saved many of my customers from having to buy new compressor


bobicehouse_51.jpg

Aug 01, 2011 | Heating & Cooling

2 Answers

My ac central air is blowing air but not cold


Problem #1:Outdoor condensing fan motor has stopped running. This problem could be caused by a bad motor run capacitor. If your motor capacitor is not the problem, then more than likely you need a new motor. Is the fan blade tight, stiff or hard to turn? If the fan blade is hard to turn then you probably need a new motor. Problem #2: Air conditioner compressor will not start. When power is applied to the air conditioning outdoor unit the fan starts, but you hear a sound like the compressor is trying to start, "UGGG"..., for about 5 to 10 seconds and then all you hear is the outdoor condenser fan run. The compressor is locked and will not start. What is happening is the compressor is trying to start, but because the compressor motor is locked it tries to start for a few seconds and then because of the high amperage being drawn goes off on internal overload. The internal overload protects the compressor windings from overheating and burning up. I see this many times during the start of the air conditioning season. Some compressors just have a hard time starting after sitting all winter long. Some compressors are locked up so bad that I can not start them and must tell my customer that they need a new compressor . Many times I can get the compressor started again without having to buy a new compressor or new air conditioning system by using the device known as a "Super-Boost." I keep two or three of these on the truck. They have saved many of my customers from having to buy new air conditioning compressor. Another good device is called a "5-2-1" kit.

Jun 22, 2011 | Goodman CKL36AR36 Air Conditioner

1 Answer

Carrier ac model 38ckc does not cool properly. Outside unit runs but air coming out of the top is cooler than the other units that we have. Just had a service replacing all the filters and coolant checked...


Air conditioner compressor will not start. When power is applied to the air conditioning outdoor unit the fan starts, but you hear a sound like the compressor is trying to start, "UGGG"..., for about 5 to 10 seconds and then all you hear is the outdoor condenser fan run. The compressor is locked and will not start. What is happening is the compressor is trying to start, but because the compressor motor is locked it tries to start for a few seconds and then because of the high amperage being drawn goes off on internal overload. The internal overload protects the compressor windings from overheating and burning up. I see this many times during the start of the air conditioning season. Some compressors just have a hard time starting after sitting all winter long. Some compressors are locked up so bad that I can not start them and must tell my customer that they need a new compressor . Many times I can get the compressor started again without having to buy a new compressor by using the device called, "Super-Boost." I keep two or three of these on the truck. They have saved many of my customers from having to buy new compressor

Jun 20, 2011 | Carrier 38CKC036 Air Conditioner

1 Answer

My unit was cooling yesterday and stopped today i put my gage it was 0psig i found a leak on the condenser fix leak and notice the condenser was so hot and not running not even humming.What next iam an...


Air conditioner compressor will not start. When power is applied to the air conditioning outdoor unit the fan starts, but you hear a sound like the compressor is trying to start, "UGGG"..., for about 5 to 10 seconds and then all you hear is the outdoor condenser fan run. The compressor is locked and will not start. What is happening is the compressor is trying to start, but because the compressor motor is locked it tries to start for a few seconds and then because of the high amperage being drawn goes off on internal overload. The internal overload protects the compressor windings from overheating and burning up. I see this many times during the start of the air conditioning season.

Jun 16, 2011 | Heating & Cooling

1 Answer

Running but no cool air blowing


Problem #1:Outdoor condensing fan motor has stopped running. This problem could be caused by a bad motor run capacitor. If your motor capacitor is not the problem, then more than likely you need a new motor. Is the fan blade tight, stiff or hard to turn? If the fan blade is hard to turn then you probably need a new motor. Problem #2: Air conditioner compressor will not start. When power is applied to the air conditioning outdoor unit the fan starts, but you hear a sound like the compressor is trying to start, "UGGG"..., for about 5 to 10 seconds and then all you hear is the outdoor condenser fan run. The compressor is locked and will not start. What is happening is the compressor is trying to start, but because the compressor motor is locked it tries to start for a few seconds and then because of the high amperage being drawn goes off on internal overload. The internal overload protects the compressor windings from overheating and burning up. I see this many times during the start of the air conditioning season. Some compressors just have a hard time starting after sitting all winter long. Some compressors are locked up so bad that I can not start them and must tell my customer that they need a new compressor . Many times I can get the compressor started again without having to buy a new compressor or new air conditioning system by using the device that is called, "Super-Boost." I keep two or three of these on the truck. They have saved many of my customers from having to buy new air conditioning systems

Jun 15, 2011 | Weather King 10AJA3601AH Air Conditioner

1 Answer

Compressor runs for few seconds then stops think presure valve/diagphram on oil tank ?? is valve available ? not sure of model year aprox 1982


What kind of compressor is this?Air?If so pressure regulator is bad,or needs adjusting.I don`t no about a oil tank with a diaphram.

Oct 17, 2009 | Air Tools & Compressors

2 Answers

Hisense air conditioner


-If both compressor and fan motor starts and stop, thermostat is the defect.
- If only the compressor check for your outlet no sign of discoloration, check the voltage if normal, check the defective overload protector of the compressor it its external, or compressor itself is defective

8fa8bfe.jpg

Oct 26, 2007 | Heating & Cooling

Not finding what you are looking for?
Air Tools & Compressors Logo

Related Topics:

1,228 people viewed this question

Ask a Question

Usually answered in minutes!

Top Air Tools & Compressors Experts

John Trevino

Level 3 Expert

1383 Answers

Joe Garcia
Joe Garcia

Level 2 Expert

205 Answers

Brad Brown

Level 3 Expert

15441 Answers

Are you an Air Tool and Compressor Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...