Test the voltage between rc and c with a voltmeter; Web a sudden black screen indicates insufficient voltage. Web check your filters and clean or replace them if they are clogged. Web still unable to fix your ecobee thermostat’s blank screen? Check for a burnt fuse. Next, the fix to your issue can be as simple as removing power from the unit and then powering it. Try power cycling the unit. This could potentially solve your black screen problem. Web hence, this could be the reason why your thermostat isn’t turning on at all. If your filters are not the issue, proceed to the next step.
Check for a tripped circuit in the breaker box and reset it. Next, the fix to your issue can be as simple as removing power from the unit and then powering it. Check for a tripped circuit in the breaker box and reset it. Web check your filters and clean or replace them if they are clogged. As long as you didn’t request a reset, you must know that your ecobee will not reset just because the screen went. Test the voltage between rc and c with a voltmeter; If your filters are not the issue, proceed to the next step. Web you do not need to worry about losing your settings whenever the screen goes blank. Try power cycling the unit. Web still unable to fix your ecobee thermostat’s blank screen? Web hence, this could be the reason why your thermostat isn’t turning on at all.
