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Carrier furnace 58mvp100-f-151200 variable speed fan motor won't run

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  • Gary Davd
    Gary Davd May 11, 2010

    you need to check the power going to it ???? the power comes off the relay that is mounted on the control board do you have power?? if so how many volts??

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3 Suggested Answers

  • 2 Answers

SOURCE: fan speed setting of my Carrier furnace model 58wav091-14

most time, you don't have to do anything because the default setting for wiring with fan speed already. if not, trace the motor wires from motor with red , white and black from motor fan to PL2 and PL1. the best is look at a diagram from your actual furnace.

Posted on Nov 09, 2008

  • 738 Answers

SOURCE: carrier furnace model # 58PAV090-14 fan runs but

See the link:

http://hvac-talk.com/vbb/showthread.php?t=77420

Posted on Mar 19, 2009

Therinnaiguy
  • 1420 Answers

SOURCE: Carrier furnace, pilot does not light, fans run

On a call for heat, the 24 volt thermostat sends a signal to the control module. The control module will indicate a call for heat with a light on the control either blinking or remain solid depending upon model. The inducer (exhaust) blower will purge all gasses from the furnace and pressurize a pressure switch. Once the pressure switch tells the module to continue, the electronic ignition will energize and send 120 volts to the igniter. The igniter will glow and you will be able to see it if viewed thru the small inspection port. Once the igniter gets hot enough, it sends a signal to the module opening up the gas valve (24 volts). Either a pilot will come on or the burner tube will ignite then spread the flame to all burners. Lastly a safety sensor will be looking for a certain temperature within a few seconds and the furnace will continue to operate and the room air blower will turn on in a minute or two.

What could go wrong? The unit will not run if there is no signal from the thermostat (bad thermostat or broken wire), the control module does not sense a signal from the thermostat (bad control), the inducer does not energize (bad motor), the pressure switch does not close (blocked vent piping, bad switch, plugged condensate hose), the igniter does not energize (bad control, bad igniter), the gas valve does not open or there is no gas (bad gas valve, broken wire, no gas), the pilot does not light (dirty pilot), the burner does not light (bad burner, plugged orifice, not enough combustion air), the flame does not spread to each burner (bad flame spreader, dirty flame spreader, more bad burners), the flame safety sensor does not detect flame (dirty or bad flame spreader, bad flame sensor, broken wire, bad control), or the room air blower does not energize (bad fan motor, bad control).

Posted on Nov 28, 2009

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Fan speed setting of my Carrier furnace model 58wav091-14


most time, you don't have to do anything because the default setting for wiring with fan speed already. if not, trace the motor wires from motor with red , white and black from motor fan to PL2 and PL1. the best is look at a diagram from your actual furnace.

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