Lennox pulse21 blow fan continuous.

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Oct 24, 2018
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I am going to start by saying. I am not a fan of lennox never have been never will.
I offered to help out a friend and with his pulse21. And i am stumped. I have checked limits fan control. Stats fine.
The home owner tells me he replaced the blower motor because is shorted out. I am not sure what caused it or if it was even an issue. LoL
I was about 90% sure it was the fan control board. But i also noticed the fan timer/limit should have a switch. Manual or auto. The botton or switch is not loger on the part. So my guess is it was either busted or who knows.
Any advice would help out.
Thanks
 

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