There might be two reasons in honeywell thermostat’ blinking:

Cool on blinking. A blinking “cool on” message can appear due to dying batteries, a power surge, or a power outage. If the delay lasts longer than five minutes, there may be an issue with the voltage to the thermostat. Set your thermostat to the.

6 steps to troubleshoot a honeywell thermostat flashing “cool on” message. This is often common for all people and zip can restore its value at any time. 1.with a heat pump installation process, blinks are replaced with “flashing.”.

It’s also worth checking the thermostat’s time settings. Thermostat blinks cool on or heat on is a safety time out feature, preventing hvac compressor from restarting right after stopping. When this happens, a simple restart will fix the problem.

The cool on message also appears on screen when ac gives a 5. Carrier thermostat blinking cool on in the majority of cases, ‘cool on’ is a delay message. If your thermostat’s time is off or not set, double.

If you see a cool on blinking on your thermostat it means that there is fault in the thermostat wiring or the battery is dying. The “cool on” light will blink when the hvac signals the air conditioning unit to start and will blink for up to about 5 minutes while the system is working through all its elements. You have to wait for five minutes for pressure inside the.

A flashing “cool on” message is a great example of such strange behavior, and it is. However, the cool on flashing may indicate. You would simply have to wait for a few minutes and the unit will get back to normal.