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airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 8326
Experience:  Furnace, A/C and heat pump specialist.
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My Honeywell WiFi thermostat went blank! I switched the face

Customer Question

My Honeywell WiFi thermostat went blank!
JA: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat?
Customer: I switched the face of the thermostat with another zone and still blank
JA: Do you plan on doing the work yourself?
Customer: Yes if I can
JA: Anything else we should know to help you best?
Customer: It was working all day and now blank. I checked the panel with the breakers and all seem well nothing tripped
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the HVAC Technician about your situation and then connect you two.
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.

Do you have a volt meter to check to see if we are getting power to thermostat?Could be a small auto type fuse in the indoor unit.

Customer: replied 1 year ago.
No I don't
Customer: replied 1 year ago.
What else could I possibly check the air handler that is in the attic?
Customer: replied 1 year ago.
Waiting for answer
Expert:  airheatman replied 1 year ago.

Yes if you can get in attic and get me model I will tell you where to look for fuse