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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Ed, I have a Carrier thermostat error 3, everything seems to

Customer Question

JA: I'll do all I can to help. How long have you been dealing with this?
Customer: I have a Carrier thermostat error 3, everything seems to be working, Moved in 3 months ago, do not know what furnace or cooling system I have
JA: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat?
Customer: Do not know, I feel it must be a simple problem, I did change the thin filters downstair, and a great big fat one in the attic.
JA: Do you plan on doing the work yourself?
Customer: If I can,if it is a simple problem.
JA: Anything else we should know to help you best?
Customer: not a this time, I do not relish calling a technician for something I can do, just have to know more.everything works
Submitted: 1 month ago.
Category: HVAC
Expert:  airheatman replied 1 month ago.

Do you see any model on thermostat or maybe attach a photo so I can determine what we are working with?