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BillyHvac
BillyHvac, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 22092
Experience:  Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
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Carrier HVAC unit thermostat has lost power - had lots of

Customer Question

Carrier HVAC unit thermostat has lost power - had lots of rain lately, unit not compromised by water, just has lost display; is there a switch or breaker outside with unit that could have caused this. no breakers are tripped in panel box!
Submitted: 1 year ago.
Category: HVAC
Expert:  BillyHvac replied 1 year ago.

Hello, the things that can cause this = a short blew a 24v fuse in the indoor unit..even though damage could be outside...

The unit is off inside

The unit has a drain water safety switch at the air handler/blower that is tripped due to plugged drain

Bad thermostat

Does furnace have any light or sound?

Customer: replied 1 year ago.
the outside unit is working
Expert:  BillyHvac replied 1 year ago.

the outdoor ac unit is running? but you have a blank thermostat? Is the indoor blower running?

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