B
Belinda HenryAug 1, 2025
Why is the display blank on my TOTALINE Thermostat?
- WwoodamyAug 1, 2025
A blank display on your TOTALINE Thermostat typically indicates a power issue. Ensure that the power to the furnace is on and that there is 24VAC between R & W. If a C wire is used, verify 24VAC between R & C.