The issue may be that the circuit breaker for the thermostat has tripped.
Air conditioner control panel blank.
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.
The safety switch was triggered.
The thermostat is a crucial part of your home s hvac system.
In the event the air conditioner stops operating due to a power outage causing the flap to remain open the flap may not close completely when the power supply resumes.
Help i have no display on the air conditioning thermostat control its blank.
Operate the air conditioner and then turned it off.
If your air conditioner s condensate pan has flooded it will activate a limit switch that will shut off power to the unit.
You can t control your air conditioning and heating without it.
In such a case operate the air conditioner.
If your thermostat screen has gone blank and your thermostat runs on batteries the first thing you should try is replacing the batteries with a fresh set.
The flap may have been touched during operation.
Reasons for a blank screen on a honeywell thermostat.
The flap will close properly.
I replaced the two 30amp fuses in the outside fuse box and nothing.
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.
Programmable thermostats feature easy to read screens that allow you to program.
The air or heat doesn t turn on when i switch on off.
Your thermostat is the control center for your hvac system.