The new thermostat has separate.

Cool on flashing. When the cool light on your honeywell thermostat keeps flashing, it may mean that the batteries are running low. Here are the main reasons why your honeywell thermostat is blinking “cool on”: If you are switching from cool to heat and heat to cool, it puts a lot of pressure on thermostat and causes blinking.

Still, the honeywell thermostat is flashing cool on after waiting of long period of more than 10 minutes, read the article to the end. This can cause the “cool on”. Take a look at the display to see if the “battery low” light is flashing.

If the cool on or the snowflake icon is flashing, the thermostat is in delay mode, which can take up to 5 minutes. Honeywell thermostat flashing cool on. 1 an analysis of the flashing “cool on” 1.1 “cool on” flashing:

Turned off handler and compressor, waited 10. Usually, the “cool on” message on your digital thermostats should be stable. Overviews 1.2 how to troubleshoot the flashing “cool on” 1.2.1 step 1:

As soon as your thermostat starts to display this warning, you. This delay is to protect your equipment from short cycling. Leave the unit for a while and check whether the system is going to start cooling or not.

The reason the light is flashing is that the power outage has switched the thermostat back to setup mode. All you need to do is change the batteries in the thermostat. A power outage or some other interruption associated with a power source can trigger the.