Why is my Honeywell thermostat not turning on my AC?

Your Honeywell thermostat may fail to turn your AC on at times. The easiest way to fix it is to reset your thermostat. Other common methods include replacing your batteries, checking your wiring, and cleaning the air filter associated with your Honeywell Thermostat.

Why is my thermostat not turning the AC on?

If your air conditioner won’t turn on, try replacing the batteries if the thermostat is battery operated. Be sure the thermostat is set to “cool” mode and the temperature is set low enough to call for the A/C to come on. Look for a tripped circuit breaker or blown fuse.

How do I turn on the AC on my Honeywell thermostat?

Quote from the video:
Quote from Youtube video: Put you in the cool mode. Press it again pushes you in the heat mode. Third time turns the thermostat back.

How long does it take for AC to turn on after changing thermostat?

An AC unit should start cooling immediately after adjusting the thermostat. That said, if you turn up the air, you can expect your system to turn off. Most often, air conditioners will need a minute to reboot after a power outage or reset, so in those cases, expect to wait closer to 30 minutes.

How do I reset my Honeywell air conditioner?

Here’s how:

  1. Power off the thermostat and remove the batteries.
  2. Put the batteries in the wrong way, with negative to positive and positive to negative.
  3. Wait ten seconds and put them back in the correct way.
  4. Your thermostat will be reset to factory settings. Be sure to reprogram your thermostat to your normal schedule.

Why is my Honeywell wireless thermostat not working?

Try the following: Make sure your app is up to date and your mobile phone is within 3-5 feet of your thermostat. Restart your mobile device and turn off any apps that may enhance the security, including VPN’s, GPS spoofers, etc. These can be turned on again once the connection of the thermostat is complete.

How do I set my Honeywell air conditioner?

Quote from the video:
Quote from Youtube video: So once you get your design your time you lock that in by hitting set again then it goes to the day you such a day same way up down once you get your day you're lacking it by pressing set.

How do I reset my AC?

How to Reset an Air Conditioner

  1. Power down your AC. Start at your circuit breaker panel and flip the breaker that powers your AC. …
  2. Find the button. Most air conditioning units are equipped with a reset button. …
  3. Hold down the reset button for 3 to 5 seconds and then release.
  4. Restore power to your AC.

Does Honeywell thermostat have a reset button?

Does Honeywell Thermostat Have A Reset Button? Honeywell digital thermostats don’t have specific reset buttons. It will take some maneuvering to revert to the original settings on most Honeywell thermostat models. Whether programmable, non-programmable, or Wi-Fi models, each has unique instructions.

How do I reset my Honeywell WIFI thermostat?


  1. Press System.
  2. Press and hold the blank box in the center.
  3. Change the number on the left to 0710, and the number on the right to 1.
  4. Press Done.
  5. Congratulations! You’ve reset your device! You can now configure your device for its new settings via the thermostat screen.

How do I fix an unresponsive thermostat?

If the thermostat is still unresponsive, make sure the breaker is shut off and remove the cover. If it looks dirty inside, use canned air or a soft artist brush to clean away accumulated grime that may be affecting its functionality. Then look for issues like loose wiring or terminal screws and tighten them up.

How do I troubleshoot my Honeywell thermostat?

How to Troubleshoot A Faulty Honeywell Thermostat

  1. Disconnect all the wires connected to the thermostat. …
  2. Remove the device from the wall plate.
  3. Remove the batteries and wait for five minutes.
  4. Replace the batteries and reconnect the wires.
  5. Turn on the system and wait for five minutes.

Why is my digital thermostat not working?

If your thermostat is blank, the first thing you should do is check the batteries. Chances are, the batteries have died and the thermostat simply can’t power on. Replace the batteries and see if your thermostat turns on.

How do I know if my Honeywell thermostat is working?

Test The Honeywell Thermostat Settings

To try and solve the problem, turn on the heat setting and crank the temperature up to see if the system does anything. If it does power on, you’re in luck.

How do I connect my Honeywell thermostat to WIFI?

Quote from the video:
Quote from Youtube video: Address 192.168. 1.1 into the navigation bar and press Enter on this page select your home Wi-Fi network enter your Wi-Fi network password and press connect.