Question about Heating & Cooling

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The motor or blower wheel om my Goodman model GMP 100-4 unit whistles and sticks. How can I fix this? Can the motor or blower wheel be lubricated? Does the motor need to be replaced. If I manualy spin the blower wheel and get it turming some what and then start the unit by pressing the safty switch located behind the lower front panel the blower will start, the wheel fan will turn. If I turn the unit off and try to turn it on again before the wheel stops turning the blower will work. But, if i let the blower wheel completley stop it may or may not begin to turn again upon turning the system on. Help?!

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  • map_skp May 28, 2009

    The sound that is made during this problem is a chirping or squeaking sound. When the blower fan will turn freely there is no sound at all! Only when the motor is engaged does the sound occur. Therefore, if the free rotating blower fan/wheel doesn’t make any noise (while the unit is turned off of course, no lost fingers please) wouldn't the noise originate from the motor, i.e., the bearings?



    It will be much easier to simply replace the motor. There is very little access to this area of the unit. I can cut a passage into the duct work of the return vent just before the filter, and get access that way. I really don't want to remove the Integrated HIS module, or the control mount panel to get to the Blower shell.



    You stated that the blades on the inside of the blower wheel are bent? How do I straighten them?



    Also, is therre aany reson to completely remove the blower shell? And will the blower fan/wheel ccome out of the blower shell easily?



    Thanks!

  • map_skp May 28, 2009

    :The motor or blower wheel om my Goodman model GMP 100-4 unit whistles and sticks. How can I fix this? Can the motor or blower wheel be lubricated? Does the motor need to be replaced. If I manualy spin the blower wheel and get it turming some what and then start the unit by pressing the safty switch located behind the lower front panel the blower will start, the wheel fan will turn. If I turn the unit off and try to turn it on again before the wheel stops turning the blower will work. But, if i let the blower wheel completley stop it may or may not begin to turn again upon turning the system on. Help?!

    Also:

    The sound that is made during this problem is a chirping or squeaking sound. When the blower fan will turn freely there is no sound at all! Only when the motor is engaged does the sound occur. Therefore, if the free rotating blower fan/wheel doesn?t make any noise (while the unit is turned off of course, no lost fingers please) wouldn't the noise originate from the motor, i.e., the bearings?

    It will be much easier to simply replace the motor. There is very little access to this area of the unit. I can cut a passage into the duct work of the return vent just before the filter, and get access that way. I really don't want to remove the Integrated HIS module, or the control mount panel to get to the Blower shell.

    You stated that the blades on the inside of the blower wheel are bent? How do I straighten them?

    Also, is there any reson to completely remove the blower shell? And will the blower fan/wheel come out of the blower shell easily if it needs to?

    Thanks!

  • map_skp May 28, 2009

    My problem is not in the ccompressor out the house, it is in the blower assembly, or the fan that circulates the air through the ducts inside the house.



    When the blower is working air circulates. When it does not work (the blower wheel does not turn, I think for the (blower) motor is jammed for lack of a better word, the air does not circulate. Shouldd I replace the blower wheel, the motor, or bouth?



    Thanks again!

  • map_skp May 28, 2009

    Again, this problem is of the parts within the blower asssembly. Thr blower assembly in located just beyond the air filter in the return duct.

    The blower wheel makes no noise when is is manually spun when the power is off. These skweeking or chirpping noises only happen when the power is turned on. If the wheel turns feely without any noise, isn't the problem in the motor! Or should I simply replace both the blower wheel and the motor. I would rather only replace one, but what do you think?

    Thanks.

  • map_skp May 28, 2009

    Is there anywhere i can get a repair manuel for this unit, Goodman GMP 100-4?



    Thanks.

  • map_skp May 28, 2009

    Yes it was. Thanks to all your experts!

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  • 3,741 Answers

Yes its the motor problem.the noise is from motor.as the blower wheel is not making noise when car is turned off.and when checked manually the blower wheel is not making noise.that means motor is faulty
thanks.please do rate the solution.thank you for using fixya.keep updated.thanks.

Posted on May 28, 2009

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  • Master
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Hi...
Every air conditioner has a motor called a compressor. The compressor provides the cooling capacity for the air conditioner. If the compressor or its electrical controls are defective the compressor may try to start, fail, and create an electrical overload. If the unit does create an overload, every compressor circuit is also equipped with an overload safety switch. The safety switch is designed to protect the compressor from burning out. The safety switch will cut the power to the compressor for a certain length of time and then reset itself. When it resets it will allow the electricity to flow to the compressor once again. If the compressor then starts, the unit should function normally. If the compressor doesn't start when the overload resets, the overload will again cut the electricity to the compressor. This cycle will continue indefinitely. (Always allow three to five minutes before restarting the compressor.) If this situation is occurring, unplug the air conditioner and get help from a qualified repair technician. This problem is often fatal to the air conditioner because the cost of repair often exceeds the price of a new air conditioner...

hope this will give u a clear idea..
thank u
rate me!!!!

Posted on May 28, 2009

  • Prakash Ram
    Prakash Ram May 28, 2009

    hi..
    u should change both the blower and motor.... that will fix ur problem entirely...

    thank u

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  • Master
  • 3,917 Answers

Hi,

yes you have a bad blower wheel the fins are crimped to the disks, if you can take the blower assembly out just watch the wiring and take the motor out of the center of housing away from blower wheel and when taking out the wheel remember the diriction of the wheel

The Indoor Fan Motor, or Blower Motor, circulates the air from the home through the heating and cooling system. These motors run constantly when the unit is heating or cooling, but can also be set to run even when the air conditioning unit is off.
An indoor fan motor can fail from normal wear and tear, or from electrical problems. If dust collects in the motor, it can cause hot spots on the electrical windings and damage them. If dust forms on the fan wheel, it may cause the wheel to spin out of balance. The more out of balance a blower wheel is, the more stress it places on the motor bearings.
Early signs of motor failure due to the bearings will be increased operating sound. Total failure of the motor will result in no heating or cooling. The system may try and work, but it will not be able to circulate air from the home. If left to run in this state for too long, other heating and cooling components can be strained or compromised.

Thank You

Posted on May 28, 2009

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