You’ve just found the ultimate Honeywell thermostat troubleshooting no display guide!
If the display on your Honeywell thermostat doesn’t seem to be working or turning on at all, the issue could be caused due to not fully closing the furnace door.
Moreover, problems with the thermostat’ screen could be caused by battery or charge problems.
To fix a non-working display on the Honeywell thermostat, first power cycle the device and reinsert the batteries. Make sure that the furnace door is closed all the way and replace the thermostat’s batteries. Lastly, perform a factory reset to solve the issue.
Why Does Honeywell Thermostat Blank Screen Occur?
The possible causes for issues with the display of your Honeywell thermostat are related to the device itself and your HVAC system.