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My furnace blower fan stays on all the time even with the thermostat

 
Jason  Hvac's Avatar
  • Answered by:Jason Hvac
  • HVAC Technician
  • Positive Feedback: 97.6 %
  • Accepted Answers: 120
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Customer Question

My furnace blower fan stays on all the time even with the thermostat set to Auto for the fan. How can I get it to turn off? This is for a 5 yr old Lennox electric furnace with Honeywell thermo.

 

Optional Information:
Make : Lennox

Already Tried:
Adjusting the clock on the side of the furnace. Also, turning thermostat off and on.

Submitted: 1170 days and 13 hours ago.
Category: HVAC
Value: $9
Status: CLOSED
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Expert:  Jason Hvac replied 1170 days and 13 hours ago.

Sounds like the fan limit is bad

Customer replied 1170 days and 13 hours ago.

So if the fan limit is bad, where is it located and how do I fix it?

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Expert:  Jason Hvac replied 1170 days and 13 hours ago.

It is at the top by the heatstrips, to fix this you just chahge it, it cost about 20 dollars. Its eiether black or brown labled 1,2,3,4,5,6

Customer replied 1170 days and 13 hours ago.

Where are the heat strips? Inside the electric Furnace?

Accepted Answer

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Expert:  Jason Hvac replied 1170 days and 13 hours ago.

Sorry yes you have to take the panal off were the power goes in, that were you will find the heat strips and there will sit the fan reley be careful this is 230 volts

Expert TypeHVAC Technician
Category: HVAC
Pos. Feedback: 97.6 %
Accepts: 120
Answered: 1/26/2010

Experience: EPA certified state of Texas certified

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