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Intertherm electric furn.my blower motor locked up so i replaced

My original blower motor locked up so i replaced it and now it cycles on and off like every minute. The fan will run till i cut it off,hot air comes out vents called the guy i bought the motor from but not to much help there but told him how i hooked it up and said it sounds right im just wondering if its the blower relay or something with the sequencer

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If you can explain where each wire from the motor goes I might be able to help. This way were on the same page. You may have 2 speeds comming on at once. Use an AMMETER to see if your running over amps and be sure you check it with the blower doors closed and clean filters all these can affect correct ammeter readings.
Other wise remove all wires (except the one going to the normally closed contacs on the fan relay, and the 1 going to L2 (usually called common) and the 1 or 2 going to the run capicator this may;leave with 2 to 4 wires. Tape them up sepperately and try it again. If it improves and workd mor correctly youmay have a bad relay. If it dosnt you may have a bad relay or sequencer depending on how its wired.
If this helps PLEASE GRADE ME ACCORDINGLY and GOOD LUCK.

Posted on Mar 03, 2009

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I have a 1987 Intertherm FEH-015HA electric furnace. The issue I am having is that my blower will not shut of unless I pull the disconnect. My thermostat will operate the heating elements like normal,


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My intertherm furnace (old model) has recently getting quite loud and clunky during its heating cycles, sound like the blower maybe??


Your blower motor has several speeds to it and by the problem you are having it sounds as though the blower motor may be going out. The motor has a slower speed for the heating cycle and since you have the noise in the heating mode I suggest having the blower motor changed as soon as possible since it could cause other problems in the heating section of the furnace( possibly burning out the high limit switches). Good Luck on your repairs hope this helped

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Replaced blower motor in my Intertherm furnace, now blows cold


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A miswire


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