The “cool on” light may blink at you repeatedly due to this.

Cool on blinking. When the cool light is blinking on your thermostat, it means that the unit is not receiving enough power to operate. 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. You would simply have to wait for a few minutes and the unit will get back to normal.

If the delay lasts longer than five minutes, there may be an issue with the voltage to the thermostat. Once you’ve set up your thermostat again, this problem should solve itself. This is most often caused because power was interrupted/cycled even if the interruption was for a very brief moment.

6 steps to troubleshoot a honeywell thermostat flashing “cool on” message. When this happens, a simple restart will fix the problem. Set your thermostat to the.

You have to wait for five minutes for pressure inside the. The cool on message also appears on screen when ac gives a 5. What if “cool on” blinking lasting longer than five minutes on my thermostat?

Thermostat batteries last for an average of 10 months, so it is easy to tell when dead. You can often tell that a thermostat’s batteries are dying when they start acting strangely. When the thermostat experience a logout, it can sometimes activate the ‘cool on’ blinking mode.

This issue should be resolved once you’ve reset your thermostat. A blinking “cool on” message can appear due to dying batteries, a power surge, or a power outage. The honeywell cool on flashing is very safe to use and zip can restore its value at any time.