Is there a reset button on a Honeywell thermostat?

Author: Conner Thompson  |  Last update: Friday, May 2, 2025

Hold the reset button (if present): Some non-programmable Honeywell Thermostats have a dedicated reset button, usually located near the display or behind a cover panel. If your model has one, hold it down for about 5-10 seconds while the power is off.

How do I fix an unresponsive Honeywell thermostat?

Here's how you can dissect the problem:
  1. Check the Power Source: Ensure your thermostat is receiving power. Replace batteries if your model requires them or check the circuit breaker if it's hardwired.
  2. Inspect the Wiring: Over time, wiring can degrade. ...
  3. Reset Your Thermostat: Sometimes, a simple reset is all it takes.

Do all thermostats have a reset button?

Most heating, ventilation and cooling (HVAC) system thermostats have more than just temperature control buttons. They often have a reset button as well.

How to do a full factory reset on Honeywell?

For Latest Honeywell Scanners:

Use the single bar code 'DEFALT' command to reset the device. Note: This selection erases all settings and resets the scanner to the original factory defaults.

Where is the reset button on a Honeywell safe?

Once the safe door is open, locate and press the small reset button located on the inside edge of the door, the keypad will beep twice and the green LED will light up. 2. Enter a new 3-8 digit Primary user code followed by the # key, the green LED will again light up and the keypad will beep.

Is there a reset button on a Honeywell thermostat?

Why is my Honeywell thermostat screen blank?

Below are the most common causes of blank screens: Tripped circuit breaker. Dead Batteries. Broken Thermostat Screen.

How to reset a stuck thermostat?

Find the breaker to your HVAC system, flipping it 'off'. Make sure the breaker is flipped all the way 'off,' then wait for 30-seconds. Turn the breaker back 'on. ' Return to the thermostat control panel and flip the thermostat back into the 'on' position.

Do thermostats reset themselves?

If your thermostat is set to a temperature regulation mode or has an energy-saving program enabled, it might reset to conserve energy.

How do I know if my thermostat is broken?

A bad thermostat can be detected when your AC or furnace is not turning on, your HVAC systems are not turning off, the thermostat not responding, your HVAC system is short-cycling, the room temperature not matching the temperature displayed on the thermostat, and the programmed setting resetting themselves.

How to tell if a Honeywell thermostat is bad or bad?

7 Ways to Tell Your Thermostat Is Broken
  1. The Thermostat Has No Power. ...
  2. The AC or Furnace Won't Turn On. ...
  3. The Heater or AC Won't Turn Off. ...
  4. The Thermostat Reading Doesn't Match the Room Temperature. ...
  5. The Thermostat Doesn't Respond. ...
  6. The HVAC System Is Short Cycling. ...
  7. The Thermostat Forgets Programmed Settings.

How do I reset my thermostat when it wont work?

Press and Hold: Using a small object, press and hold the reset button. The time you need to hold it can vary, but generally, 5-10 seconds should suffice. Wait and Observe: After releasing the reset button, wait for the thermostat to reboot. This might take a few minutes.

How do I unfreeze my Honeywell thermostat?

Restart Your Honeywell Thermostats

It might be helpful to set it to “off,” and then back to “on” again to trigger the restart. Depress and hold the Menu button down for 5 seconds. Count to five to ensure the unit has the proper time to recognize the command. Scroll though the digital menu and select “Reset.”

Why is my Honeywell thermostat not responding?

Troubleshooting a Programmable Honeywell Thermostat

Put in new batteries; Check the circuit breaker; Check the indoor unit to make sure all the panel doors are closed; Make sure the power is connected to the furnace or air conditioning unit by checking the switch near the indoor unit is up.

What does the hold button do on the Honeywell thermostat?

Using the “hold” function on your system means you can suspend the program if you'll be away from home for a while, such as while you're on vacation. This means you can tell your HVAC to stay put at a specific temperature to keep your pipes from freezing in winter but as warm as you want it to be for comfort.

Can a Honeywell thermostat be reset?

Access the Menu: Once the thermostat is off, press and hold the center button on the device. This will bring up the main menu. Navigate to Reset Option: Use the arrow buttons to navigate to the “Settings” option, then select “Reset” from the list. Select Factory Reset: You will see a few reset options.

Can a thermostat just stopped working?

No power: If the thermostat isn't working at all, there could be a power issue. Try checking the circuit breaker box or replacing the batteries. Bad wiring: The thermostat may be unresponsive if the wiring has gone bad. Remove the cover and check inside for loose, detached, or corroded wires.

How long does it take for a thermostat to reset?

On average, a thermostat takes around 5 to 10 minutes to reset. However, the exact time may vary depending on the specific model and brand of the thermostat. During the reset process, the thermostat goes through a rebooting sequence, which includes shutting down and restarting.

How do I reset my Honeywell thermostat without the menu button?

Smart/Lyric Round
  1. Press and hold the cloud button. While you do this, press the i button repeatedly.
  2. Scroll and select Reset. Your thermostat will immediately begin to reset. This may take a few moments to complete.

What causes a thermostat to get stuck?

Due to corrosion or aging, your car's thermostat can get stuck in a closed position. If this happens, the thermostat will not let the coolant reach the radiator, and, as mentioned above, the engine will overheat, causing severe damage.

Do you have to reset a thermostat after changing batteries?

Battery replacement: If your thermostat uses batteries and they need to be replaced, you might have to do a reset to ensure everything functions properly.

Why has my thermostat gone blank?

The most common reasons for a blank thermostat screen are dead batteries, a power outage, a tripped circuit breaker, faulty wiring, or a failed thermostat. The screen will be completely dark and unresponsive when there is an issue with power reaching the thermostat.

How do I clear the screen on my Honeywell thermostat?

If you have a touchscreen, select "menu" then "clean screen". The screen will remain locked for 30 seconds. After 30 seconds press "Done" to resume normal operation. This prevents accidentally changing the mode, set-point, etc.

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