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.
Air conditioner control panel blank.
The air or heat doesn t turn on when i switch on off.
I flipped the ac fuses on off at the main fuse box panel and nothing happened.
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.
I replaced the two 30amp fuses in the outside fuse box and nothing.
Help i have no display on the air conditioning thermostat control its blank.
The safety switch was triggered.
The flap will close properly.
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.
In such a case operate the air conditioner.
The flap may have been touched during operation.
Reasons for a blank screen on a honeywell thermostat.
The thermostat is a crucial part of your home s hvac system.
The issue may be that the circuit breaker for the thermostat has tripped.
Operate the air conditioner and then turned it off.
Then out of the blue the air conditioner came on and the.
You can t control your air conditioning and heating without it.
If your air conditioner s condensate pan has flooded it will activate a limit switch that will shut off power to the unit.
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.