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Heating A/C Thermostat screen is blank

Asked Oct 15, 2008, 09:14 AM — 1 Answer
What are the most common causes of a thermostat screen being blank? House is only 3 years old and I believe the thermostat is a digital unit.

1 Answer
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hvac1000 Posts: 14,539, Reputation: 2381
Heating & Air Conditioning Expert
 
#2

Oct 15, 2008, 09:37 AM


Blown transforner
Blown fuse
Bad batterys
Power turned off to furnace
Defective thermostat
Helpful

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