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Old 07-18-2012, 07:46 PM   #1
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Coleman Gas Furnace/Air Conditioning unit's blower won't stop


Good day,
I have a Coleman/York furnace/air conditioning unit (model is TG9S*MP). The air conditioning is working fine, kicking in according to the thermostat, but the blower won't stop even when the thermostat is at off. What is making the blower running continuously ?

Thanks,
JP

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Old 07-18-2012, 08:19 PM   #2
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Coleman Gas Furnace/Air Conditioning unit's blower won't stop


Check if thermostat has a FAN switch or setting. Switch off if it is on. Otherwise the green wire to thermostat may be on wrong terminal.

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Old 07-18-2012, 09:44 PM   #3
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Coleman Gas Furnace/Air Conditioning unit's blower won't stop


The thermostat as option On or Auto for the fan and the green wire inside the thermostat is not connected at all. It was working fine before and I didn't made any changes before it started doing that.

Thanks,
JP
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Old 07-19-2012, 06:45 AM   #4
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Coleman Gas Furnace/Air Conditioning unit's blower won't stop


Some furnaces will turn the fan on continuously if there is a problem with the furnace (like a tripped vent switch, or a faulty control board). Assuming you're not running the heat, I'd hazard a guess that you have some issues with the board on the furnace, and that's not really something that you can troubleshoot.

Odd that the G wire isn't hooked up, unless you have some sort of communicating thermostat ...
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Old 07-19-2012, 03:19 PM   #5
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Coleman Gas Furnace/Air Conditioning unit's blower won't stop


Yes, it's also my guess that's there's something with the board or another sensor in there. Thanks

JP
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