How to Reset a Honeywell Thermostat

Thermostats help to regulate temperature and ensure our comfort. Honeywell thermostats may encounter glitches or require adjustments over time. A common solution to these issues is to reset the device. This guide will walk you through the process of how to reset a Honeywell thermostat.

Honeywell thermostat reset

Understanding the Need for a Reset

Honeywell thermostats can face three main issues: programming errors, connectivity problems with the heating or cooling system, and inconsistent temperature readings. A simple reset often fixes these problems.

Resetting a Honeywell thermostat involves bringing the device back to its factory default settings. This action wipes the slate clean, erasing any configurations or settings that may be causing problems. There are multiple types of resets that can be performed, with each addressing a specific issue or function:

  1. Factory Reset: This common reset type restores the unit’s original factory settings, effectively erasing all previous configurations.
  2. Wi-Fi Reset: For Honeywell smart thermostats, this reset type clears the unit’s network memory, allowing for new connections to be established.
  3. Schedule Reset: Applicable for programmable thermostats, this reset type deletes any programmed schedules, allowing users to create new ones.

Identify Honeywell Thermostat

Before you can reset your Honeywell thermostat, it’s crucial to identify the exact model you’re working with. The model number is usually printed on the product packaging, user manual, or on the thermostat itself. For some models, you might need to remove the device from the wall to find the model number on the back of the unit.


How to remove Honeywell Thermostat from wall

Be aware that the process of resetting can vary slightly from model to model. Therefore, always refer to your specific Honeywell thermostat user manual for detailed instructions.

Reset Honeywell Thermostat Models

Honeywell offers a diverse range of thermostats to cater to different user needs. Each model has its own unique reset process. This guide will cover the reset instructions for various Honeywell thermostat series, from the basic 1000 series to the advanced 9000 Wi-Fi series.


How to reset a Honeywell Thermostat

Honeywell 1000 and 2000 Series Thermostats

These non-programmable models are among the most basic types of Honeywell thermostats. Here’s the step-by-step guide on how to reset these devices:

  1. Switch off the thermostat.
  2. Carefully detach the device from the wall plate.
  3. Open the battery compartment and remove the batteries.
  4. Re-insert the batteries incorrectly, with the negative pole aligned with the positive terminal and vice versa.
  5. Wait for about five to ten seconds.
  6. Remove the batteries again and re-insert them correctly.
  7. Reattach the device to its wall plate.
  8. Switch on the thermostat.

Thus, you’ve successfully reset your Honeywell 1000 or 2000 series thermostat to its factory settings.

Honeywell 4000 Series Thermostats

These thermostats are programmable and come with more advanced features than the 1000 and 2000 series. To reset a Honeywell 4000 series thermostat, follow these steps:

  1. Ensure that the device is turned on.
  2. Locate and press the “Program” button.
  3. While pressing the “Program” button, use a paper clip or similar object to press the reset button located on the side of the device.
  4. Hold both buttons for about five seconds, then release them.

After executing these steps, your Honeywell 4000 series thermostat should be reset to its factory default settings.

Honeywell 6000WF Series Thermostats

The Honeywell 6000WF series are Wi-Fi-enabled smart thermostats. They offer three types of resets: factory default, Wi-Fi, and schedule.

Factory Reset:
Keep pressing both the “Fan” button and the up arrow button simultaneously.
Alter the figure shown on the left portion of the screen to “90” and modify the figure on the right portion of the screen to “1.”
Click “Done” to complete the reset process.

Wi-Fi Reset:
Keep pressing both the “Fan” button and the up arrow button simultaneously.
Change the number displayed on the left-hand side of the screen to “39” and the number on the right-hand side of the screen to “0.”
Click “Done” to complete the reset process.

Schedule Reset:
Keep pressing both the “Fan” button and the up arrow button simultaneously.
Change the number displayed on the left-hand side of the screen to “85” and the number on the right-hand side of the screen to “1.”
Click “Done” to complete the reset process.

Honeywell 8000 Series Thermostats

The 8000 series is a programmable touchscreen thermostat. Here’s how you can reset your Honeywell 8000 series thermostat:

  1. Tap “System” on the display screen.
  2. Press and hold the blank box in the center of the screen until the number “0710” appears on the left-hand side of the screen and change the number on the right-hand side to “1.”
  3. Press “Done” to complete the factory reset.

For resetting the Wi-Fi settings, change the number on the left-hand side of the screen to “0900” and the number on the right-hand side of the screen to “0.” Press “Done” to complete the Wi-Fi reset.

For resetting the schedule, change the number on the left-hand side of the screen to “0165” and the number on the right-hand side of the screen to “1.” Press “Done” to complete the schedule reset.

Honeywell 9000 Series Thermostats

These thermostats are Wi-Fi smart thermostats with voice control features. Here’s how you can reset your Honeywell 9000 series thermostat:

  1. Tap the “Menu” button on the display screen.
  2. Navigate to the “Preferences” submenu.
  3. Choose the “Reset to Factory Settings” option.
  4. Confirm the factory default reset by tapping “Yes.”

To reset the Wi-Fi settings, tap the “Menu” button, navigate to the “Wi-Fi Setup” submenu, and select “Reset.” To reset the schedule, go to the “Preferences” submenu, choose the “Restore Default Schedule” option, and affirm the schedule reset by clicking on “Yes.”

Honeywell T-Series Thermostats

The Honeywell T-Series includes the T5, T5+, and T6 models. These thermostats come with a trio of reset options: factory default, Wi-Fi, and schedule.

Factory Reset:
Press and hold the “Menu” button until the “Reset” option appears.
Select “Reset” and confirm by tapping “Yes.”

Wi-Fi Reset:
Press and hold the “Menu” button and select “Reset.”
Scroll until you see “Wi-Fi,” select it, and confirm the reset.

Schedule Reset:
Press and hold the “Menu” button and select “Reset.”
Scroll until you see “Schedule,” select it, and confirm the reset.

Honeywell Smart and Lyric Round Thermostats

These minimalistic thermostats are easy to reset. Here’s how:

Factory Reset:
Press and hold the cloud icon until “Reset” appears on the display.
Select “Reset” to complete the factory reset.

Wi-Fi Reset:
Press and hold the cloud icon until “Wi-Fi” appears on the display.
Select “Wi-Fi” to complete the Wi-Fi reset.

Is my Honeywell Thermostat bad?

If a thermostat reset did not work, here are some signs that your Honeywell thermostat might be bad:

  1. Incorrect Temperature Readings: If your thermostat is reading temperatures inaccurately or the room temperature doesn’t match the temperature setting, this could be a sign of a faulty thermostat.
  2. Inconsistent Heating or Cooling: If your HVAC system is not maintaining consistent temperatures or is frequently turning off and on, your thermostat may be to blame.
  3. No Power: If your thermostat isn’t turning on or there is no display, even after changing the batteries, it may be defective.
  4. Difficulty in Programming: If you’re having issues inputting settings or if the thermostat isn’t responding to your commands, it may be malfunctioning.
  5. Connectivity Issues: For smart thermostats, if you’re having trouble connecting to Wi-Fi or controlling your thermostat remotely, it could indicate a problem.


How can I tell if my Thermostat is bad?

With just a few simple steps, you can ensure your Honeywell thermostat is operating at its best, providing you with a comfortable and energy efficient home environment. If you need any expert AC help, leave your question below and we will have an AC expert get back with you!

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