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I have a gas up flow 80% and the blower motor went out put new one in and board is bad now this is a new unit what do you think ?

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Sounds like a warranty issue

Posted on Jun 17, 2009

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1 Answer

Aircondition builds ice on coil


Either lack of refrigerant, stopped up metering device or capillary tube/s, or lack of air flow (due to bad blower motor, or dirty indoor coil) Good luck.

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Does the vent motor come on when you turn on a powervent hot water heater


`1) Copy following link to troubleshoot by type of gas control valve, blower motor links, pressure switch testing, and other professional resources:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
http://www.thetankatwaterheaterrescue.com/forums/forum3/

2) Power-vent blower motor can go bad.
Plug motor directly into outlet, or turn on-off switch on, and see if motor works.
Check outlet for correct polarity, and for at least 80% of rated voltage.
Check vacuum switch. Blower creates vacuum, and the vacuum switch detect vacuum, and signals gas control valve that burner sequence can continue.
Gas control valve can also go bad. Wiring etc can go bad.

Feb 04, 2013 | Rheem 50 Gallon FVR NATGAS Water Heater...

1 Answer

GMPN 100-4 furnace. Blower motor runs when not calling for heat.


The board is bad. The unit thinks a flame is present, so it tells the blower to come on. Replace the board.

Oct 07, 2009 | Goodman Heating & Cooling

2 Answers

Blower turns on when stat calls for heat but manifold is not being ignited (do not hear gas valve even trying to release gas). No spark either. Could it be insufficent gas pressure?


Here is the ignition sequence for a spark ignited furnace. This will help you understand what is happening/not happening.

Thermostat calls for heat.

draft inducer motor (DIM) starts drawing draft through heat exchanger.

Pressure switch detects proper operation of DIM, and sends signal to board to begin ignition.
(it detects negative pressure)

Ignitor starts ignition attempt and gas valve sends gas to burners.

Upon ignition, flame sensor detects flame and sends signal to board stopping ignition sequence and continuing gas flow for heat mode operation until thermostat is satisfied.

During this sequence the blower motor is brought on, and by using a series of temperature limit switches, the system assures that the unit is operating properly.
(If the blower is not operating, or the airflow is inadequate, the heat exchanger will overheat and trip one or more temp limit switches.)

There is also a "rollout" switch that detects improper flame pattern "rolling out" into the controls compartment.

Now, to apply that to your situation.

If you have no spark, than the failure is happening before the gas is supposed to be flowing.

That usually means a failure at the D.I.M. Typical causes for that are a clogged flue pipe/vent, damaged/deteriorated fan blades, bad fan, or bad pressure switch.

If one of the temp limit switches or rollout switches have tripped, it will simply shut off the system.
(Some units will turn on the blower motor and shut down everything else.)

You can try resetting the unit by disconnecting power for 1 minute, and attempting a restart.

First look for any flashing LED lights. If you see any locate the wiring schematic (usually on the inside of the front panel) and look for the flash codes.

If the reset does not solve the problem, let me know what flash code you are getting, and/or let me know exactly what you see the furnace doing, in detail, after the restart.

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1 Answer

Rheem gas furnace blower unit not working properly


look at circuit board and follow wires that come from fan motor, if this is a standard motor black is high and it will be going to a prong that says cool, red is low and it will go to heat, you will have a yellow and a blue that are "parked" remove red park it were the blue is and put blue on heat, if this is a variable speed motor you will have to set dip switches via your equipment manual

Sep 29, 2009 | Heating & Cooling

1 Answer

No power to ac indoor fan motor


sounds like you might have a bad control board. try putting a jumper wire on the control board low voltage terminals R and G your fan should come on and run if you have 120v power to fan motor. double check that you do have 120 leaving board and going to motor. if no 120 bad board if you do have 120 bad motor. if it is the board it likely has a bad blower relay which is common in amana models and goodman equipment.

Sep 13, 2009 | Amana Heating & Cooling

2 Answers

New motor runs but doesn't blow air through the registers


Is the blower wheel turning? Did you by chance have to remove the motor from the blower wheel to work on it? If you did, did you put the blower wheel back on in the correct direction of air flow? Also, did you put the correct capacitor back on the unit so it can get up to the required rpm's? These are things that you will need to check for. If the motor is running and the blower wheel isn't and the wheel is tight on the shaft, then you will have to replace the motor. The brushes may be bad on the unit and it's not turning the shaft. Hope these ideas help.

Apr 09, 2009 | Carrier 52PQ-515---3 Premier Series Heat...

1 Answer

Furnace blower blows cold air


It is possible that you did not set the new blower on the proper speed. Black wire is high. Blue is medium. Red is low. If the fan is operating to slow it can run to hot and trip the high limit control. Make sure the filters are clean. When the old motor went bad, the problem might not have been discovered rite away your high limit control might need to be changed.
Also anytime you work on a furnace you can kick up some dust. Always clean the flame sensor.
Good Luck
HVAC Teacher

Mar 08, 2009 | Honeywell Power Humidifier: Furnace...

2 Answers

No heat when temp goes below freezing, gas leak when tank is full


The reason that the shops keep insisting on a low tank is because gasoline weighs about 7.5 lbs per gallon. It's too heavy to remove full. Aside from that, most shops just don't have a place to temporarily store that much fuel! You almost certainly have a leak on the top of the tank, either from the sending unit seal, a hose or the tank itself, which is why it only leaks when full. The location can only be determined after the tank is taken down and inspected. Though most warrantys cover 90days from when work is done, any reputable shop will usually correct this type of problem for free, Unless there was a problem they saw, told you about and you refused to allow them to correct.
With regards to your heating problem: From your post, it sounds like the blower motor may have failed.(going over a bump would free it up) However, the motor itself would have been noisy before it got this bad. I don't see a corrolation between ambient temp and that though. Is the blower running when this happens? Also, If you don't have a proper antifreeze mixture, the heater core could be freezing up, but this would generally correct itself as the vehicle warms up. With limited info, I would not rule anything out yet!
Good lucki

Jan 09, 2009 | 1996 Chevrolet Blazer

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