Question about Goodman GMS90703BXA Heater

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My blower fan came off the motor shaft.

I took out the blower and replaced the motor. but can not find my wiring diagram for a gms9/gcs9.

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  • Joseph Lillie
    Joseph Lillie May 11, 2010

    I have the manual, but cannot figure out how to send it. It is a pdf file
    with all the information you need.


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THE BLOWER MOTOR HAS 6-WIRES ....2--CAPICATOR (BROWN- BROWN WHITE STRIPE)3- SPEEDS BLACK-HI-SPEED--BLUE--MED......RED--LOW SPEED OR HEAT AND THE LAST ONE TO COMMOM.

Posted on Dec 05, 2009

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1 Answer

My Goodman GMS9/GCS9 Gas-Fired Furnace is not working.?


Check all safety switches on door. Make sure the main breaker in fuse box is on and well as main switch on furnace. Please ad more details. New install, just quit working? How old....

Oct 27, 2013 | Goodman GMS90703BXA Heater

1 Answer

I have a Goodman GMPN furnace and the motor that runs the twin blowers has quit. How do I take it out and replace it?


If you mean the blower wheel, I wonder how you diagnosed this problem so you were 100% sure the motor is bad. I recommend to make sure of the diagnosis before spending to buy parts.

The blower wheel is shaped like a twin blade. But it's only one wheel.

However, to answer the question; Step one is turn the power off.
Then; Find the blower housing in the lower compartment on an upflow configuration.
  • Remove 2 screws on the blower housing, on the upper inside of the blower compartment to slide the blower housing out.
  • Disconnect blower motor wiring at the harness and at the control board if connected. You can cut them if you have exact replacement motor and wire nuts.
  • Slide the housing out, turning it on the side that exposes the motor.
  • Remove the 3 mounting screws holding the motor to the housing.
  • Loosen the lock nut holding the fan blade (wheel) to motor shaft.
  • Slide motor and shaft out and away from the fan blade, as they are connected together and cannot be separated. Use penetrating oil SPARINGLY.
Installation is the reverse of the removal instructions.

IMPORTANT. Make sure to leave equal space between both sides of fan blade and housing when re-installing the wheel.

Luck to you. Let me know how that turns out.
Russ
myairfixer@gmail.com

Dec 23, 2010 | Goodman GMS90703BXA Heater

1 Answer

Fuse blow each time I turn on air check for


disconnect the thernostat wires from the control board. Put a jumper wire between R & G put door back on and turn on power. Blower motor
should run, if it blows the fuse then you have a direct short between R &
G at the board. Do this with R and W(heat) and R & Y(cool).

By disconnecting the thermostat wires and reinserting them make sure that they do not touch when inserted into each terminal. If it still blows
that little 3amp fuse when jumpering between each sequence as mentioned above, then I think your board is bad. When Jumpering out the Y terminal you will have to have the AC wires still hooked up. If it
blows the fuse in that sequence. Disconnect the wires out at the condensor.

You mat have a bad contactor at the outdoor unit.

Jul 16, 2010 | Goodman GMS90703BXA Heater

1 Answer

My furnace heats the house well, but during the cool down it actually blows cold air dropping the temperature causing the furnace to re-ignite. How do I adjust? Goodman - GMS9/GCS9


Depending on the age of the furnace you may be able to adjust the cool down. On some furnaces there is a silver box usually made by honeywell. This is your fan limit control. If you take the cover off you will see a dial with different temperature settings with 3 pins in a grove. The first one is fan on with temperature rise this turns the blower on when the furnace starts and warms up. The second is the fan off after furnace shuts down, this would be the one you want to adjust to a higher temperature to keep the blower from blowing cold air. The last pin is the high limit if the furnace gets to this temperature it will shut the furnace off but keep the blower running. Make sure that the thermostat fan option is set to auto and not on.

Jan 02, 2010 | Goodman GMS90703BXA Heater

1 Answer

Constant high pitched noise emitting from furnace


Hi,
This is probably a dry bearing in the vent motor. Those motors run at high RPM's and can make a deafening high pitched squeal if they become dry and need oiling.
Some of the motors have oil cups on them for dripping oil into and others;s are much more difficult as you need to guess where the bearing is and try to drip oil down into them or run the oil to them.
Any light weight small motor oil ike a sewr machine oil will work.
Many hardwares have small oil bottles with extending spouts made just for oiling motors for just a couple of bucks...

The other thing that can cause this is if the blower wheel is coming loose and has moved to the side and is hitting the side of the blower housing. Take the bottom cover off and check for play or movement side to side in the blower wheel. Spinning it with the power off by hand may give you a clue as you will hear it scraping the side of the housing.

Heatman101

Dec 29, 2009 | Goodman GMS90703BXA Heater

1 Answer

A/c unit runs but only blows into the house for about 30 seconds


Shut the power off to the unit, spin the fan blade to see if it spins freely. If it doesn't spin freely, (there appears to be a little drag when you spin it),the bearings are bad, if it does spin freely, then try moving the motor shaft from side to side if there’s any play in the shaft side to side then the bearings are worn and motor needs replaced. Then, check the capacitor, if it’s bulging even slightly, the capacitor is bad and needs replaced. Most of the time people replace the capacitor if motor seems ok. If capacitor is ok, turn power on to see if the motor is getting the proper voltage, if it is and not trying to run, then the windings are probably open, the motor's bad and needs replaced.

Jul 28, 2009 | Goodman GMS90703BXA Heater

1 Answer

GMS9/GCS9 no heat


Pull it apart andf make sure there is not a bird in it - if not then yes replace it.

Mar 30, 2009 | Goodman GMS90703BXA Heater

1 Answer

How to manually relight a Goodman® GMS9/GCS9 Single-Stage, Multi-Speed Gas Furnaces


You should NEVER attempt to relight manually this furnace. Serious burns could be the result. This furnace has an electronic ignition and should light by itself. If it does not light you may have a bad ignitor. These are usually around 30-50 US dollars.

Jan 28, 2009 | Goodman GMS90703BXA Heater

1 Answer

HAVE A gms9/gcs9 GOODMAN DUEL HEATER


if the gauge is stay on 50 then it stuck and you could be out of fuel

Dec 18, 2008 | Goodman GMS90703BXA Heater

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