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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 Carrier non-programmable thermostat. I think it is

Customer Question

I have a Carrier non-programmable thermostat. I think it is model TC-NHP. I get no display. I changed the batteries and still no display. Any suggestions?
JA: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat?
Customer: specific to the thermostat
JA: Do you plan on doing the work yourself?
Customer: if possible
JA: Anything else we should know to help you best?
Customer: it worked a couple of days ago
Submitted: 2 months ago.
Category: HVAC
Expert:  BillyHvac replied 2 months ago.


is the furnace in an attic? does it drain into a pump? This is a sign of a tripped water switch or no power from furnace

Customer: replied 2 months ago.
no, the furnace is
in the basement
Expert:  BillyHvac replied 2 months ago.

does it drain to a pump or floor?...does furnace appear to have power?..lights, hums etc