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Goodman a/c model # CHPF042B2C won't turn on. Can't get fan to turn on either. Any adive on where to start?

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  • john_hedrick May 02, 2010

    The fan will not turn on from the thermostat. How do I check the voltage? I do have a voltage meter. I'm just not sure where to place the red and black from the votage meter. Do I put red on R and black on C? Thanks for the quick response.

  • john_hedrick May 02, 2010

    Got my voltage meter and placed red on "R" and black on "C". It registered 0.

  • john_hedrick May 02, 2010

    Where would the transformer be located?

  • john_hedrick May 02, 2010

    I think I found the transformer and it reads 20 volts.

  • john_hedrick May 02, 2010

    My air conditioner won't turn on. It is a Goodman CHPF042B2C. The thermosat won't turn the fan on. It was suggested that I check the transformer. Don't know where to locate it. Any advise?

  • john_hedrick May 02, 2010

    Where can I find the transformer? Is it in the air handler? Is it in the unit outside? Is it somewhere in the crawl space away from the unit? I don't know where to look.

  • john_hedrick May 02, 2010

    I'm still not sure if I am finding it or not. I opened up both side of the unit. On the left is where the blower fan is located and their is a switchboard of sorts there. On the right, there is a device that has 2 brown wires to it. To the left of the board is a square device that has 4 wires coming out attached with connnections. Top left is Gray, bottom left is orange. Top right is white, bottom right is black. Is this the transformer? or is it the one with 2 brown wires? Or am I even in the right location?



    Thanks for your help.

  • john_hedrick May 02, 2010

    what is a maize? can you simplify your response? I'm not even sure where to begin.

  • john_hedrick May 02, 2010

    Did I have the right locatin of the transformer?

  • john_hedrick May 02, 2010

    any idea where this would be?

  • john_hedrick May 02, 2010

    Is this it on the left side? If so how do I test voltage?




  • john_hedrick May 02, 2010

    Can anyone help locate the transformer to a Goodman airconditioning unit? I can supply a picture. I have been working on this for 3 hours now.

  • john_hedrick May 03, 2010

    Pulled the thermostat from the upstairs unit and placed downstairs. The only difference in wiring was the upstairs red wire was connected and down it was not on the original thermostat. When I switched out the units, I kept the original wiring as it was. In other words, I connected the thermostat from upstairs to downstairs and kept the wiring as it was upstairs. It appears as I am not getting any power to the wires downstairs. Can someone offer any advise?

  • john_hedrick May 04, 2010

    I have a goodman a/c unit that is not working. I don't think I have power to the thermostat. Someone suggested it was the thermostat, so I pulled the one from the upstairs where it was working and placed downstairs. The only difference is the thermo downstairs did not have the red wire connected, but it was upstairs so I connected exactly the way it was upstairs. It won't illuminate so I don't think I am getting power. Someone was giving me instructions for a refrigerator. Someone suggested a bad transformer. I have posted a picture of my unit but can't find anyone to tell me where the transformer is located. Once I locate the transformer how do I test it? I do have a voltage meter.

    Also my unit is a gas pack. Is the airconditioning side seperate from the other? From left to right is the blower with a switchboard (as seen in the photo), then the gas pack unit where my gas lines run in, then far right is the a/c where the freon lines come in. I don't see where to remove a cover for the freon side section. I tried to remove the top part, but was unable to remove it and didn't want to force it.

    Advise would be very much appreciated. I am not that familiar with hvac but am a very capable handyman.

    Please help. It's getting hot in North Carolina and my wife is running out of patience.

  • john_hedrick May 04, 2010

    Where is the disconnect switch? Is this the breaker switch or is it under the house in the HVAC unit?

  • john_hedrick May 04, 2010

    Oh, forgot to mention the wires used downstairs were green, white, black, yellow and orange. Which wire would I connect to the green? The unit was working at one time, so why would the red have not been connected?



    However the upstairs thermostat had the following wires green, black, red, white and yellow.

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6 Answers

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Hi,
Visit to the given link....
http://www.inspectapedia.com/aircond/aircond1123.htm usually the causes are as follows, Either a bad compressor,bad fan motor or possibly a bad capacitor. Visually examine the capacitor. If it is bulged out anywhere,replace it. Check for burned wires on the capacitor and all other connections.Remove the compressors wires from the circuit and restart the unit. If the fan runs the problem is in the compressor. If the fan does not run,the problem is with the fan motor.
Hope this has helped u Thanks...

Posted on Aug 09, 2010

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  • Master
  • 1,469 Answers

Hello, A lot of things might cause it not to start or come on. In other to know exactly where the fault is rom, you will need to do a all round checking of the air conditioner. The answer is a little bit long for me to type it out. I will give you links to guide you on what to do. ehow.com/how_4873618_repair-air-conditioner-wont-work.html or inspectapedia.com/aircond/aircond15e.htm or inspectapedia.com/aircond/aircond1123.htm. Good luck.

Posted on May 04, 2010

  • Egwe Emmanuel Onyedikachi

    Hello,

    A lot of things might cause it not to start or come on. In
    other to know exactly where the fault is rom, you will need to do a all
    round checking of the air conditioner.

    The answer is a little
    bit long for me to type it out. I will give you links to guide you on
    what to do.


    ehow.com/how_4873618_repair-air-conditioner-wont-work.html

    or

    inspectapedia.com/aircond/aircond15e.htm

    or

    inspectapedia.com/aircond/aircond1123.htm.

    Good
    luck.





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  • Master
  • 776 Answers

Hi,
To start with you will have to try few steps to determine what is the exact problem. A high possibility would be that the indoor fan relay,24volt fuse or circuit board have gone bad, but we will first have to see if the thermostat is not the problem.
1) Turn off the air handler at the disconnect switch to shut off 24v.
2) Disconnect the 24v wires from the thermostat.
3) Only connect the "R" and the "G" wires together. (Usually red and green)
4) Restore power to the air handler.
Does the fan come on? If it does than the thermostat is bad. If it does not come on then possibly it could be the 24volt fuse or circuit board have gone bad, so please proceed with the test to resolve the issue.

Posted on May 04, 2010

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  • 2,335 Answers

Do I understand that your air conditioner is no longer turning on, and neither is the fan/blower for your heating system?

In this case of two pieces of your heating/cooling system not operating, I would draw your attention to your thermostat, as this controls both pieces. I recommend purchasing an inexpensive replacement thermostat and replacing your unit. This will tell you in one easy step if your thermostat have failed & thus is no longer sending out the correct signals to turn these devices on.

I hope that helps.

Posted on May 02, 2010

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  • Master
  • 1,416 Answers

Hello,

this is a maize or capacitor problem not from compressor, dryer ,

what you need to do to fix up the problem is that check the fuse of the maize if the fuse has borne or not well fitted it at the tip of the wire that connect current to the A/C if there is no fuse or well fitted

then trace the maize down to the capacitor because if current is coming from the supply it get there first then the capacitor distribute it to other unit

however this mean that the fan have been disconnect from the capacitor then you have to disable your AC for you to be able to do this fixing your self

thank you and thanks for using fixya.

Posted on May 02, 2010

  • Oloyede Monsuru May 02, 2010

    hello,
    the maize am taking about means the wire that connect your
    refrigerator to electric and have not mention anything that have
    to do with transformer what have mention is capacitor the maize
    drop current on it to distribute to other conponecte like compressor
    and over load etc.

    the technical name for it at this position is call capacitor

    the capacitor is beside the compressor and they are both black in
    colour black in colour while the compressor is like a cooking pot

    you can open it only if you have the technical skill to couple it back properly.

    thank you once again .


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  • Master
  • 674 Answers

At the thermostat turn the fan switch to on and see if the indoor fan will start. If it does then that eliminates the transformer as a problem, if it doesn't check the transformer output. Check the voltage between R and C terminals in the thermostat. If the indoor fan starts remove the thermostat face and place a jumper between the R and Y and see if the outside unit starts. If it does the problem is your thermostat.

Posted on May 02, 2010

  • 5 more comments 
  • Brian Niten May 02, 2010

    Locate the transformer and check the output of the transformer. It doesn't matter where the red and black leads go because it is AC voltage. Just make sure you have your meter set for AC.

  • Brian Niten May 02, 2010

    Make sure you have voltage on the primary side but it sounds like you need a new transformer.

  • Brian Niten May 02, 2010

    It is in the air handler. Sorry for not mentioning that earlier.

  • Brian Niten May 02, 2010

    You're welcome. Glad to help.

  • Brian Niten May 02, 2010

    Sorry, I just read the thanks for you help part. The tranformer should have 1 yellow and 1 blue wire for the secondary, and it can have 2 or several wires on the primary if it is multi-tap meaning it can use 120, 208, 240 vac depending on which wires you use. It will have a square core with the windings around the core.

  • Brian Niten May 02, 2010

    The device with the 2 brown wires is the capacitor. I believe one of the wires is brown with a white stripe.

  • Brian Niten May 02, 2010

    The transformer will also have a label or some letters and #'s stamped on it with ink that will tell you what the primary and secondary voltage are.

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