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    chrisdbrowne's Avatar
    chrisdbrowne Posts: 1, Reputation: 1
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    #1

    Dec 3, 2010, 10:44 AM
    Goodman GMP075-3 RevB Light blinks 3 times.
    I have a Goodman GMP075-3 RevB. The fan for the exhast comes on but the starter does not heat up and the burners do not go on. Light blinks 3 times. This means the Venter Pressure switch vent is blocked. What does that mean? There is a rubber hose on the exhast fan that when I blow into it, I cannot get any air through. I do not know how to remove this from the fan.
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
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    #2

    Dec 3, 2010, 05:35 PM
    One end of the rubber tube hooks to the pressure switch and the other to the collecter box. Did you check to make sure you did not have a restriction at the connection on the collector box?
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