I replaced the two 30amp fuses in the outside fuse box and nothing.
Air conditioner control panel blank.
Then out of the blue the air conditioner came on and the.
The issue may be that the circuit breaker for the thermostat has tripped.
So if you go to your digital thermostat one day to turn on the ac or change its programming only to discover that the display screen showing a total blank you ll have a problem on your hands.
Reasons for a blank screen on a honeywell thermostat.
Operate the air conditioner and then turned it off.
You can t control your air conditioning and heating without it.
Your thermostat is the control center for your hvac system.
If your air conditioner s condensate pan has flooded it will activate a limit switch that will shut off power to the unit.
The thermostat is a crucial part of your home s hvac system.
In some homes an air conditioner or furnace can trigger a safety switch and turn off the thermostat entirely if any damage has been detected.
Check the electrical panel and see if any of the breakers needs to be reset then see if the thermostat s display has come back on.
The safety switch was triggered.
The flap will close properly.
The air or heat doesn t turn on when i switch on off.
Programmable thermostats feature easy to read screens that allow you to program.
The flap may have been touched during operation.
Help i have no display on the air conditioning thermostat control its blank.
In such a case operate the air conditioner.