C
christopherchenAug 10, 2025
What to do if my Carrier Thermostat display is blank?
- JJessica RussoAug 10, 2025
If your Carrier Thermostat display is blank, it indicates a lack of proper power. Ensure the power to the furnace is on and that you have 24VAC between R & W. If C is used, verify 24VAC between R & C.