Question about Heating & Cooling

1 Answer

CENTRAL HEAT AND AIR UNIT NOT COMING ON.

WOULD A CAPACITOR CAUSE MY AIR CONDITIONER NOT TO POWER ON? I CAN HEAR THE UNIT CLICK ABOUT EVERY 5 SECONDS WHEN THE THERMOSTAT IN THE HOUSE INDICATES THAT THE UNIT OUTSIDE SHOULD BE RUNNING. WHAT IS MY PROBLEM?

Posted by on

  • Ken Bledsoe May 11, 2010

    When you hear the clicking is it coming from thermostat? Now if you say yes then go to the condenser the part outside and take off the cover to access the electrical side of the unit. Now we are talking about 240 volts here so if you feel uncomfortable around this then don't do what I am going to suggest. Look for the contactor it is the first item that the electricity is connected to. Is it engaged the top part is spring loaded and when you call for a/c the unit energizes and completes circuit. If it is engaged then get back with me and we can go from there.

×

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    Genius:

    An expert who has answered 1,000 questions.

  • Master
  • 1,122 Answers

Compressor short cycling,you need a new start capacitor

Posted on Mar 08, 2009

1 Suggested Answer

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

Add Your Answer

Uploading: 0%

my-video-file.mp4

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

×

Loading...
Loading...

Related Questions:

1 Answer

What causes a condensing unit to run but blower motor will not come on


Most common cause is the capacitor. The top where the wires plug on should be flat. A lightening strike or other power surge will zap it and cause the top to puff up.

Aug 04, 2014 | Heating & Cooling

1 Answer

Need to change a broken blower motor in RUUD central air unit. Old central air blower motor (GE electric) was connected with brown and orange wire to 15 MHD capacitor. Another orange wire from central air...


on the motor should be a diagram detailing the wires. brown white goes to either side of the capacitor and brown wire to other side of capacitor. hi speed goes to normally open contact on the indoor fan relay and the wire designated common on the motor goes to the other side of power from the relay contacts.

Oct 03, 2012 | Heating & Cooling

1 Answer

Central air conditoner outside unit


Well, the answer is yes. I have seen a bad capacitor cause a fan motor to run backwards. BUT..... After replacing the capacitor and WIRING it up the right way, everything should be fine. A lot of aftermarket condenser fan motors are reversible, so it can run counter-clockwise (CCW) or clock-wise (CW). However, most factory fan motors come one directional and on your specific unit, the air should always push out of the top. Running the unit with the fan going backwards will actually some-what do it's job, but damage other components like the compressor because it runs at higher operating pressures than what it is designed for.

Have someone else look at it! That's going to be the best advice I can give you. If they can prove that a capacitor caused the motor to permanently run backwards..... I want to know! Hope this helps and good luck with your unit.

Jun 22, 2012 | Heating & Cooling

1 Answer

My microwave has stop heating up food. What is the cause?


There are several things that can cause this:
1. Bad high power diode failure (most common and usually causes a loud humming sound when it fails initially then never heats again)
2. Bad capacitor (open or shorted)
3. Stuck Magnetron oscillator (Makes a loud humming sound when the Diode and capacitor are known to be good.) / Magnetorn failure
4. Door interlock safety switch failure. (You should hear 3 clicks on most microwaves as the door just opens or closes... if your microwave light does not come on when the door is opened you only have 2 micro-switches and only hear 2 switch clicks.
5, Main control board relay failure / main board failure.

Those are the most common reasons listed in order of usual failures. Each one of the above possible failures has a different troubleshooting procedure.

Thanks for choosing FixYa,
Kelly

Sep 21, 2011 | Heating & Cooling

1 Answer

My trane xe 1000 central air conditioning unit turns on and the fan os working, but no air is coming into tue house. The lines get ice on them outside. I left it off all night with no change in status


If you left it off all night and no air is coming out of supply registers then the blower motor is not running. If the system is getting frost on the suction line(the big copper line coming out of the outside condensing unit with rubber insulation on it) within minutes of turning the system on then that will confirm that the blower motor is not running properly.
Unless you are very experienced in working on air conditioning, i would call a professional to do the repair.
If the motor has to be replaced its takes an experienced technician to do it correctly.
It could simply be the run capacitor on the blower motor.
This is probably going to be a 5 mfd capacitor.
Turn off all power to air handler, remove service panel, set your multi-meter to mfd (microfarads),
place the leads on the connections on top of the capacitors securely for 5 seconds. You should read about 4.8 to 5, if not the capacitor is bad.
There are other possible problems that could cause your symptoms, but ultimately your blower fan is not blowing air.

Sep 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

2 Answers

To whom may concern, my a goodman central air unit has stop working. The unit will come on in the inside but the outside want. The unit is not kicking on and the fan on the unit appears to be a little...


Hi,

Here is a tip about troubleshooting your air conditioner...
There are many things that can cause your air conditioner not to cool...

AirConditioner Trouble - Review the Possibilities

heatman101

May 25, 2011 | Goodman Heating & Cooling

2 Answers

Central air does not kick in.


It sounds like you have a bad capacitor to the compressor. The humming noise is the compressor not starting up but is trying. It is either the capacitor or the compressor form your description. If you had a lightning storm or power surge about the time this happened it is most likely a bad capacitor. You can have the capacitor tested to see. Disconnect power before working on unit!

Aug 05, 2009 | Honeywell ER150B Air Conditioner

1 Answer

I have a 5yo Inertherm Unit in my mobile home, and the Heat unit will not come on. I hear the click in the thermostat, and no signs of burned wiring, but no heat. Was working and just stopped blowing....


Are the filters clean? Is the evap (indoor coil) clean?

If not it will cause a lack of airflow. A lack of air flow can allow the heat stripos to get to hot, causing the temperature limit switch to trip off.

If the fan is turning, then the problem you described is not capacitor related.

You can also turn off the power to the unit and look for any blown fuses.

(small fuses on the control board, or large fuses in the pull disconnect.)

Dec 02, 2008 | Heating & Cooling

Not finding what you are looking for?
Heating & Cooling Logo

Related Topics:

362 people viewed this question

Ask a Question

Usually answered in minutes!

Top Heating & Cooling Experts

paulcarew

Level 3 Expert

2035 Answers

Dan Webster
Dan Webster

Level 3 Expert

8205 Answers

Cris Sparks
Cris Sparks

Level 2 Expert

338 Answers

Are you a Heating and Cooling Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...