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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I turn on the furnace the first time this season, but when I

Customer Question

Hello. I turn on the furnace the first time this season, but when I turned the fan off its doesn't stop. What is the problem?
JA: Did you check the furnace's filters?
Customer: Not yet
JA: Do you plan on doing the work yourself?
Customer: Yes.
JA: Anything else we should know to help you best?
Customer: Not so far. Thank you.
Submitted: 8 months ago.
Category: HVAC
Expert:  Rick replied 8 months ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your

issue. First I’ll need some more info so I have a more complete picture of you situation

What is the brand and model number of your furnace?

Customer: replied 8 months ago.
This is Payne, but I can not find modelnumber.
Expert:  airheatman replied 8 months ago.

Model should be in burner compartment on right or left panel.

Then look in blower compartment and see if we have a control board with a blinking light.If so tell me the pattern of that flash.That will indicate what is wrong and tell us where to start troubleshooting.

Customer: replied 8 months ago.
OK. I think this is the model number: 518CXX030000MBAA
Expert:  airheatman replied 8 months ago.

That appears to be model on the ac coil.

Expert:  airheatman replied 8 months ago.

Should be inside furnace cabinet above burners

Customer: replied 8 months ago.
it is.
Expert:  airheatman replied 8 months ago.

Payne model will begin with letter P such as PG8AA or PG9M or similar

Customer: replied 8 months ago.
No any number found inside, but when I removed the cover from burner cabinet the fan stopped working because the knob under the cover came out.
Customer: replied 8 months ago.
Actually - from blower cabinet.
Customer: replied 8 months ago.
no any control board with blinking light.
Customer: replied 8 months ago.
Can I please get an answer ?
Thank you.