All you need to do is change the batteries in the thermostat.

Thermostat blinking cool on. Crank thermostat down to the lowest temperature. Honeywell thermostat cool on blinking is a very common issue for honeywell users. 9 steps to troubleshoot a blinking “cool on” indicator.

Is you house hvac thermostat blinking cool on or heat on and does not turn on the furnace or air conditioner? Honeywell thermostat says cool on blinking or heat on flashing, but not working after changing batteries. If you do not know the proper troubleshooting methods, you can get tensed over something.

A thermostat can flash “cool on” without blowing air due to electrical surges and dying batteries. If the “cool on” indicator blinks for much longer than 5 minutes and you do not feel cool air coming through your. However, the cool on flashing may indicate.

The blinking “cool on” message on a honeywell thermostat display indicates that the system is restarting, batteries need replacing in the control panel, or a fault with the. A “cool on” message can also appear if the thermostat logs out or times out on its own. Here are the main reasons why your honeywell thermostat is blinking “cool on”:

How long will thermostat blinking “cool on” last? This is also one of the reasons why you find your. This is most often caused because power was.

Someone tried to restart the compressor before the refrigerant had time to settle. A power outage or some other interruption associated with a power source can trigger the. Luckily this is an easy enough thing to fix.