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Electrical breaker goes off when unit turned on was working well, then it caused breaker to go....motor ?????

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I wouldn't blame the motor just yet...The very first thing to check is for a venting problem. Make sure the vents are clear and that there is good air flow all the way to the outside. Next, check the thermal fuse and the heating element. Both components can be tested using a multimeter or ohmmeter. Check for continuity. A lack of continuity indicates a faulty component. Most of the time this type problem can be traced to a clogged vent, but you want to ensure that the thermal fuse is good and that the heating element isn't grounded out. Make sure you unplug the dryer before conducting any electrical tests. Really sorry for your trouble and I hope this helped. Best wishes.

Posted on Sep 10, 2009

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Posted on Jan 02, 2017

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America Standard heat pump model WCy036- turns on but fan on blower not working???? Any manual anywhere I can download


While I do not know about manual the fan is located on top of unit and goes bad the check s simple if you know electricity first pull breaker on unit using a multimeterrible sett on volts push leads into 2 wires going to fan motor about replace breaker staking clear if meter show
voltage pull breaker remove meter an you fan motor is shot no voltage freon or other technical problem call AC GUY if fan motor dead call refrigeration supplier name model an serial number simple unbolt takeoff fan and two wires to replace ALWAYS PULBRE
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Aug 16, 2015 | Heating & Cooling

1 Answer

Have a carrier 92 furnace. electric motor will not kick on...just hums. red light on circuit board flashes...help?


see this causes and fix it. God bless you
If the furnace won't run, check the electrical service panel for a blown fuse or tripped breaker. Also make sure the power switch on or near the furnace is turned on. Check the unit for a reset button and try it. Some units have a built-in breaker or fuse panel.
However you can have a missing 1 phase , test with the VOM, for to measure voltage. Or motor need repair for winding trouble,bearing.If you do not have enough experience call some electrician.
God bless you

Oct 08, 2012 | Heating & Cooling

1 Answer

The fan on the cooling unit outside is not turning on. It is and has been in the hundreds and the unit does not have any shade, could it just be too hot?


normally this will not affect the fan. it has an electric motor on it that has a breaker usually in the breaker box but sometimes it is in a subpanel. there are several things that can cause this like no power, low on freon, too much freon if you have just had it serviced, etc. with the power to the unit off, take a cloths hanger and put in the unit, being careful not to puncture the sides and see if the fan blades turn. if not then the motor is seized up. for some reason. even if the fan turns, you need a proffesional to take over as working with anything with freon is very dangerous not to mention the electrical components. it takes special equipment to check these. good luck

Sep 07, 2011 | Carrier 38CKC036 Air Conditioner

1 Answer

The unit inside the garage doesn't turn on,, the motor doens't do anything but the outside compressor works, it turns on fine but the unit inside does nothing/


It could be one of several reasons why the inside unit is not running - but the most likely reasons are 1. the breaker is off - you need to turn on breaker or reset it if it's been tripped 2. the inside motor is bad and needs replacing 3. you have a problem with the thermostat and it's not turning on the motor 4. a relay or some other electrical component is bad

Obviously, the breaker is the easiest solution and I'm hoping that's all that's wrong with your unit.
If it is not the breaker - the other things need to be checked out which may or may not require you calling a serviceman.

Aug 06, 2011 | Heating & Cooling

1 Answer

My thermal switch burnt so I replaced it with a 15 amp one. The original is a 17 amp. I could not find any around and the electrician says he never has seen a 17 amp one before. Problem is the unit tried...


If you are popping the circuit breaker, even after installing the new one (15 or 17 amps will make no difference), your motor is trying to work too hard and creating to much of a draw on the circuit for the breaker to handle. This is usually caused by too much friction somewhere. Things to check are:
1. The long thing on the motor is the start and/or run capacitor. If they're bad the motor will usually hum and try to start but won't spin at all and it usually trips the breaker. The capacitors can be tested to see if they still have the capacitance rated on the side of the case but you have to find someone with a testor, they're not a common tool. Most refridgeration repairmen have one.
2. The motor bearings. Try turning the motor by hand without the pump piston attached. It should spin very freely.
3. The piston to motor bushing/bearing should also turn with very little resistance.
4. The piston itself should ride in the cylinder fairly tightly but should move smoothly in it.
Replace anything causing the motor to work so hard that it's popping the breaker.

Jun 08, 2011 | Snap-On 870200 2.5 Horsepower 4 Gallon...

1 Answer

Hi i have an Ingersoll rand 80 gal, 7.5 hp, model #2475 air compressor and the electric motor is arcing when trying to run then blows the breaker. Any ideas? thanks


It sounds like either a problem with the brushes in the motor or the engine shaft is jammed. Have you on many previous occasions run the compressor on that circuit with no problems? It may be as simple as the breaker is not sufficient for the power draw of the compressor.

If you have had the unit for awhile and it has been run lots and the engine shaft spins easily when turned by hand (unplug first) then it may be an issue with the brushes on the electric motor. Take the engine apart and replace the brushes with new ones from an electric motor shop. Take pictures as you disassemble the unit so you will be able to refer to them when it comes time for reassembly.

If the motor shaft does not turn by hand, remove the belt that connects it to a compressor and try again. If this works, reconnect the power and see if the electric motor now works with power on and the belt off. If the motor works and there is no short to throw the breaker, then your compressor is in need of a rebuild and that will cost money and time.

Mar 15, 2011 | Ingersoll Rand Electric Driven Two Stage...

1 Answer

Everytime my central air unit kicks on my circuit breaker trips. It didn't do this last year or even earlier this year


A circuit breaker 'tripping' everytime the AC unit kicks on 'most always' indicates a direct short (somewhere in the condensing unit), although it is possible that the breaker itself is bad - (but not likely).

Usually the cause of this 'short' will be - either the condenser motor in the condensing unit (outside unit) or the compressor - also in the condensing unit.

If you're mechanically inclined - and "very careful" around electricity - there is a fairly simple way to find out which component is causing the short.

Step 1 - Make sure the condensing unit (outside unit) is completely disconnected (electrically) , i.e. pull the fuses/turn off circuit breaker on outside unit and turn off thermostat.

Step 2 - disconnect the condenser motor (this is the outside fan motor). Note: when you disconnect the wires of the condenser motor "be sure" you mark/write their location, and wrap them in electric tape.

Step 3 - start the AC unit. If the breaker trips again you can pretty much rest assured it's the compressor that is shorted.

To prove it (without a doubt) - go to next step.

Step 4 - "be sure circuit breaker and thermostat is turned off" - and - 'reconnect' the condenser motor - and - then disconnect the compressor wires (mark wires and tape them).

Step 5 - Start AC.

If breaker doesn't trip - you know it's the compressor that is shorted.

If breaker 'does' trip again - then it's possible the breaker itself is bad (not likely) or there is a 'short' in the condensing unit's "wiring" somewhere (not likely).

My guess is that either the condenser motor or compressor is shorted.

Hope this helps.

Good Luck!

Jun 10, 2010 | Heating & Cooling

1 Answer

Heat pump breaker tripped now no power to the unit at all


When AC unit trips the breaker it usually means one of four possiblities.

1) the AC unit is causing the breaker to trip, i.e. a shorted fan motor, compressor, or some other electrical component - in which case you will probably need to have a repairman look at it.

2) you've plugged the unit into a outlet that is connected to a breaker which is too small to handle the load the AC unit is putting on it.

3) a defective breaker (not likely but possible)

4) just a 'random' trip and if you reset the breaker it might work fine.

good luck!

May 03, 2010 | Haier Energy Star ESA3183 Air Conditioner

1 Answer

The circuit breaker on the unit pops almost every time I use the unit, what might be causing this?


Hi, when the breaker trips every time you turn it on, the unit has a dead short. It may have a frayed wire where it goes into the units motor, or the motor it self may be shorted out.A bare hot wire that touches metal will pop the breaker right away. I would look the cord over very well to see if anything may be bare. If not, the problem is further into the motor section of the unit, and more then likely the motor has failed. This is why the breaker is there for this reason. In case it overloads or you have a short, it trips to keep the unit from burning. Please keep me posted.
Sincerely,
Shastalaker7

Feb 05, 2010 | Vacuums

1 Answer

Intermatic t10004 control panel trips the circuit breaker


That circuit breaker is letting you know that you've got a problem in the electrical wiring.... What's next is to turn the power off to BOTH legs of the breaker.
Begin by physically inspecting all the connections in the timer box, and at the breaker and all the way to the pump motor. Make sure all connections are dry, and there's no water in any of the conduits...this will cause a short circuit and trip the breaker. If there's any bare power leg wires touching a grounding point , this can cause the breaker to trip. Lastly check the motor on the pump; on the motor end, there should be a cap you can remove and use a crescent wrench to make sure the motor shaft is moving freely. It could be jammed with debris....this happens around my pool often because I'm surrounded by trees with needles. If the motor cannot turn freely, this will cause the breaker to blow... I'm pretty sure that your timer isn't the issue... Please let me know what you find out.

Nov 19, 2009 | Intermatic T10004R - Pool-Spa Mechanical...

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