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Goodman: My Power Venter (aka Heat and Draft Inducer) won't start

FURNACE:
Made by: Goodman
Model #: GMPN080-4

THE POWER VENTER (this is what the Goodman manual calls it but other websites refer to this as the Heat or Draft Inducer):
Made by: FASCO Industries 70219565
Type: U218
Volts: 115
RPM3400
Customer Part #: B2833001S

I have been troubleshooting this all day and this is what I have learned:

The Thermostat is ok.
The Indoor Blower (Main Blower) is ok. I can turn on just the fan from the thermostat and it turns on.
Everything was working fine and then something happened. I have not moved any wires or made any changes.

Here are the sequence of events:

I turn on the heat from the thermostat.
The Thermostat clicks telling the furnace to turn on the heat.

The furnace has a humming sound coming from it. This is the Power Venter/Heat Inducer trying to turn on. The indicator light blinks three times. The panel explains that this means:

"Pressure switch failure to close. check venter, pressure switch, vent blockage"

The humming sound will stop and then begin again but nothing happens. Also during this time a burning smell is coming from the power venter. It smells like burnt plastic but I am not sure what it is.

I attempted to move the fan blades on the Power Vetner with a screw driver but the fan blades are not accessible.

My next step is to remove the Power Venter, open it up and clean it.

Any suggestions will be greatly appreciated!

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  • MikeS5643 Dec 02, 2008

    Thanks for the feedback. I solved it! The problem was that the fan was stuck. I uninstalled the power venter and stuck my finger into the fan and dislodged whatever made the fan stick. It took quite a bit of pressure. After that it spun freely. I have no idea what was causing the fan to be stuck so hard. I reinstalled the power venter and everything works. Does anyone know what would cause the fan to be stuck?

  • MikeS5643 Dec 04, 2008

    I thought I did but the problem continues to exist. This time I removed the power venter and the fan is rubbing against the case therefore there is some friction which is preventing its from spinning freely. There is enough friction to not allow it to start spinning when the thermostat asks for heat.

    Any ideas how I can fix this? Can I take it somewhere and have them repair the fan. The motor and everything else is fine.

  • Anonymous Mar 21, 2014

    on a call for heat the induced blower starts momentarily and then shuts off. the two green led's blink rapidly and nothing else happens

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  • 108 Answers

The power ventor most likely needs to be replaced. But be advised. Goodman normally will not sell parts to anyone but a certified technician. I had to show my masters certificate to buy parts from their outlet. This is a part that has a high rate of failure.

Ray

Posted on Dec 01, 2008

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