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I have a Kenmore FXM 4X3000A (it might a York FXM... I can't…

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I have a Kenmore FXM...
I have a Kenmore FXM 4X3000A (it might a York FXM... I can't seem to find Kenmore when I google but have found York).I had the blower motor replaced last fall. On the unit, it says the blower motor incorporates the control board. It is now 4 degrees outside. I cannot get my auxiliary heat to turn on. I think the technician didn't properly connect auxiliary heat to the blower motor. How do I test to see if the auxiliary heat is connected and working properly? When I tried testing through the thermostat, the aux heat did not turn on.
Submitted: 8 months ago.Category: HVAC
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Answered in 23 hours by:
1/8/2018
HVAC Technician: airheatman, HVAC Technician replied 8 months ago
airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 9,542
Experience: Furnace, A/C and heat pump specialist.
Verified

Kenmore does not actual manufacture hvac equipment.You are correct that it is a York product with a Kemore tradename attached.If wired correctly We would need a meter to troubleshoot. If you have a meter let me know .If not you can get an inexpensive one at Walmart for about 15 bucks if you would like to troubleshoot and I would be happy to guide you.
http://www.walmart.com/ip/Innova-3300-Equus-3300-Hands-free-Digital-Multimeter/14644665

See link below to verify proper thermostat wiring. Let me know if correct and we will go from here,

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