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Old 07-21-2013, 04:11 PM   #1
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Blower motor runs constantly


Hi,
I am selling my house and the buyer just had their inspector come through. I've just now noticed that the blower on my central air runs 24/7. The condenser only runs when the t-stat calls for cooling however. The switch is on auto and runs no matter what I do with the settings. I actually removed the t-stat from the wall and it still continues to run. My guessis that something was shunted to test the system during the inspection. I don't know much about hvac wiring so I'm not sure where to begin. Any help appreciated

Jason

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Old 07-21-2013, 04:24 PM   #2
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Blower motor runs constantly


The last thing you want is a DIY repair on a home sale especially since the inspector has already pointed out. Help your self and your sale call a tech out. This is something, at least in Texas, that you now have to disclose as a known issue.

Jmo

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Old 07-21-2013, 05:23 PM   #3
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Blower motor runs constantly


If your furnace is oil. Does it fan a white button on the fan limit switch that may have been pushed in and left in. If so, pull it out.
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Old 07-21-2013, 05:33 PM   #4
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Blower motor runs constantly


I would contact the inspector and tell them what is happening and ask what they did that may have caused it. If it is the sellers inspector that did it then he should fix it.
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Old 07-21-2013, 05:39 PM   #5
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Blower motor runs constantly


Quote:
Originally Posted by beenthere
If your furnace is oil. Does it fan a white button on the fan limit switch that may have been pushed in and left in. If so, pull it out.
It's either a stuck fan switch or a relay, depending on the unit. Being an hvac technician myself though, I'd have it serviced instead of trying to DIY (sadly). It doesn't take much to short something out or blow the transformer. That being said, if you can read a wiring diagram and have a basic working knowledge of electricity (like unplugging the furnace or switching off the breaker first), you can probably find and replace the bad component with little trouble.
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Old 07-21-2013, 05:41 PM   #6
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Blower motor runs constantly


Quote:
Originally Posted by beenthere
If your furnace is oil. Does it fan a white button on the fan limit switch that may have been pushed in and left in. If so, pull it out.
That was it! Thanks!
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Old 07-21-2013, 06:44 PM   #7
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Blower motor runs constantly


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That was it! Thanks!
Your welcome.

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