Honeywell Thermostat Screen Blank But Fan Works. The first thing to do is make sure your thermostat has power. Your thermostat requires a steady power supply to operate effectively.
If not, switch it on, and if your honeywell. Web why is my thermostat screen blank but the fan works? Somebody could have accidentally turned off the thermostat’s switch. Often, a blank screen is due to a power issue. Web check the power. Web check whether the thermostat is switched on. Safety switch activated modern hvac systems often. Check whether it is switched on. Your thermostat requires a steady power supply to operate effectively. If you have a thermostat that is displaying a blank screen, but the fan seems to be working, it can be quite frustrating.
Safety switch activated modern hvac systems often. Web check whether the thermostat is switched on. Safety switch activated modern hvac systems often. Your thermostat requires a steady power supply to operate effectively. If you have a thermostat that is displaying a blank screen, but the fan seems to be working, it can be quite frustrating. Web check the power. Web why is my thermostat screen blank but the fan works? Somebody could have accidentally turned off the thermostat’s switch. If not, switch it on, and if your honeywell. Replace them to see if that solves the problem. The first thing to do is make sure your thermostat has power.
