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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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My furance ignites, will flame for ~30-45 sec. then will

Customer Question

my furance ignites, will flame for ~30-45 sec. then will shut off and blower will continue to run. After 60 sec. igniter will come on again and flame again 30-40 seconds and shut off.
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: about 1 yr
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: not at this time
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.
Lennox diplomat 80mgf3/4-100a-1
Expert:  Rick replied 8 months ago.

What are you getting for an LED sequence on the control board?

Customer: replied 8 months ago.
a steady flash it is calling for heat
Expert:  Rick replied 8 months ago.

Does the burner flame distort at all when the blower comes on?

Customer: replied 8 months ago.