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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?
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.
That appears to be model on the ac coil.
Should be inside furnace cabinet above burners
Payne model will begin with letter P such as PG8AA or PG9M or similar