A Honeywell thermostat flashing “Cool On” signifies that the thermostat is asking for the air conditioner to activate and funky the house. This will occur for a wide range of causes, such because the temperature within the dwelling rising above the set level, or the thermostat being set to “Cool On” manually. In some instances, a flashing “Cool On” gentle might also point out an issue with the thermostat or the air conditioner itself.
In case your Honeywell thermostat is flashing “Cool On” and you aren’t positive why, you will need to test the next:
