Air Conditioner Control Panel Blank

If your air conditioner s condensate pan has flooded it will activate a limit switch that will shut off power to the unit.

Air conditioner control panel blank.

The thermostat is a crucial part of your home s hvac system. 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. Programmable thermostats feature easy to read screens that allow you to program.

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. In such a case operate the air conditioner. The flap will close properly. You can t control your air conditioning and heating without it.

The issue may be that the circuit breaker for the thermostat has tripped. Then out of the blue the air conditioner came on and the. Operate the air conditioner and then turned it off. The air or heat doesn t turn on when i switch on off.

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 flap may have been touched during operation. I flipped the ac fuses on off at the main fuse box panel and nothing happened. Your thermostat is the control center for your hvac system.

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.