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Billy
Billy, HVAC Technician
Category: HVAC
Satisfied Customers: 19657
Experience:  Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
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I have a Payne furnace that the fan will not shut off automatically

Resolved Question:

I have a Payne furnace that the fan will not shut off automatically or manually. It continues to run unless I unplug the unit.
Can you help?
Submitted: 8 months ago.
Category: HVAC
Expert:  Billy replied 8 months ago.
Hello,

there is one easy test to decide what is wrong if you dont mind unhooking one wire in the furnace?

Customer: replied 8 months ago.

I will be glad to give it a try

Expert:  Billy replied 8 months ago.
Renove the doors from furnace.
Locate where the thermostat wires attach in the furnace.

The wire we are after is on G terminal.

Remove that wire and turn power back on.

If blower continues = bad circuit board with stuck relay.
If blower stops = bad thermostat or short in thermostat wire.

Billy

Customer: replied 8 months ago.


Terminal was labeled GC. Disconnected, replaced cover, and plugged back in and fan began to blow again.


 


What is typical cost to replace circuit board?


 


Thanks!

Expert:  Billy replied 8 months ago.
Do you have the model number of the furnace? Then I can more specific

Billy

Customer: replied 8 months ago.


396GAZ048100


series A


 


Cost and some idea of difficulty to replace for novice homeowner???


 


Thanks!

Expert:  Billy replied 8 months ago.

Thank you.

The oem board is HH series but there is an aftermarket board ICM271 HERE

Billy

Customer: replied 8 months ago.

What would a typical service call for this repair cost?

Expert:  Billy replied 8 months ago.
around $75 for call....dealer will charge around $125 for board.

Straight time hours of course,,,Smile
Billy, HVAC Technician
Category: HVAC
Satisfied Customers: 19657
Experience: Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
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