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The screen on my Thernidistat.TSTAT is blank, but the

Customer Question
The screen on my...

The screen on my Thernidistat.TSTAT is blank, but the furnace seems to be running correctly. How do I get the screen back?

Contractor's Assistant: Did you check the furnace's filters?

I replaced the filter a short while ago.

Contractor's Assistant: Do you plan on doing the work yourself?

What work needs to be done? Replacing the TSTAT?

Contractor's Assistant: Anything else we should know to help you best?

I can replaced the TSTAT, if necessary, Is that the recommended repair?

Submitted: 7 months ago.Category: HVAC
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Answered in 4 hours by:
11/27/2017
HVAC Technician: airheatman, HVAC Technician replied 7 months ago
airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 9,181
Experience: Furnace, A/C and heat pump specialist.
Verified

Lets start by looking inside thermostat and see if it has batteries that need to be replaced.

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Customer reply replied 7 months ago
While waiting four your too-long-delayed answer I found that the Thermidistat wasn't receiving 24vac from the furnace. That shifted my attention to it and I called a service tech. He found that a safety switch had tripped.
HVAC Technician: airheatman, HVAC Technician replied 7 months ago

I understand. It appears your days are active at around 4am.Not many techs online at that time.Glad you got it fixed.

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