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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a furnace cant even see no specs on it but the lite

Customer Question

i have a furnace cant even see no specs on it but the lite is blinking 4 times
JA: Did you check the furnace's filters?
Customer: yes they are clean
JA: Do you plan on doing the work yourself?
Customer: I do i'm hvac certified I just been away doing some other things the last 2 yrs
JA: Anything else we should know to help you best?
Customer: i checked the roll out switch i checked the pressur switch
Submitted: 4 months ago.
Category: HVAC
Expert:  gotoman for ac replied 4 months ago.

Russ here, Turn off power and back on to reset faults. Retry furnace. Do you know the make of furnace. Russ