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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a York Diamond 80 furnace. It's been working fine til

Customer Question

hi, I have a York Diamond 80 furnace. It's been working fine til just now. The blower is blowing, but no heat. A red light is blinking behind the plastic 'peep hole' in the cover. Any ideas? Thanks
JA: Thanks. Can you give me any more details about your issue?
Customer: Blower is blowing fine, and unit has had no problems til just now
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Submitted: 7 months ago.
Category: HVAC
Expert:  BillyHvac replied 7 months ago.


can you tell me the blink pattern of the light?

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