Picture of the Honeywell RTH8580WF Thermostat operating normally, prior to reset to factory defaults.

How to Reset Honeywell RTH8580WF Thermostat

Shows how to reset Honeywell thermostat RTH8580WF.  Resetting clears out all user set settings. It erases the WiFi network and restores the t-stat to factory default condition.





We suggest resetting when working smart thermostat problems. This rules out the chance that bad settings are causing the issue.  Keep in mind though, that after a reset, the RTH8580WF forgets any programmed settings. So you must enter your home WiFi network info again.  Also, any customized run schedules are erased. The t-stat returns to the useful, but not always desirable, daily heating and cooling schedules.  So again, you may need to adjust them again to match your needs.

Picture of the Honeywell RTH8580WF Thermostat operating normally, prior to reset to factory defaults.
Honeywell RTH8580WF Thermostat operating normally, prior to reset to factory defaults.

Prior to Honeywell Thermostat RTH8580WF Reset

Before restoring to factory default settings, round up your thermostat’s manual hat shipped with it.  Or, you can find it online at Honeywell’s web site.

Write down the current daily program schedule currently stored in the thermostat if you’ve changed it from the default schedule.

Run down through the Functions and Settings pages (numbered parameters list). Jot down any settings that you’ve changed that tailor the RTH8580WF to your specific heating / cooling system.  These might include filter-change reminder settings, WiFi network info, system type, t-stat name, et al.

Reset Honeywell Thermostat RTH8580WF Instructions, Step by Step

Once you write down any custom settings, you can now safely return RTH8580WF to factory default state. Do that as follows.

1. Tap the SYSTEM Button

It’s on the touchscreen, as shown above at the left side of the screen.

The screen then changes to look like the following.

Picture of the Screen Display of the Honeywell RTH8580WF Thermostat, in System Mode
Screen Display of the Honeywell RTH8580WF Thermostat, in System Mode.




2. Press and Hold the Third Empty Square

Find that square near the bottom of the touchscreen, third square fro the left. Keep pressing until the Configuration Parameters screen appears, as shown next.

Picture of the Honeywell RTH8580WF Thermostat on the Parameters Configuration Screen.
Honeywell RTH8580WF Thermostat on the Parameters Configuration Screen

3. Get to Setting 0710 to Continue with How to Reset Honeywell RTH8580WF Thermostat

Press the first set of UP-DOWN arrows, to advance to the Restore Original Settings option (parameter 0710).

The screen should look as follows before moving on to the next step.

Picture of the Honeywell RTH8580WF Thermostat, showing the Restore Original Settings option 0710.
The thermostat, showing the Restore Original Settings option 0710.

4. Change the 0710 Setting from 0 to 1

To do that, tap the UP / DOWN arrows at the far right of the touchscreen.  Tap until the value of setting 0710 is a 1. The screen then should look like that shown next.

Picture of the Honeywell RTH8580WF Thermostat, Restore Original Settings Option 0710, set to reset.
Honeywell RTH8580WF Thermostat, Restore Original Settings Option 0710, set to reset.

WARNING

Taking the next step erases all custom settings.  So do not proceed until you feel that you can set it up the right way.  Get help from a climate control tech if you’re not sure. Resetting may disable some HVAC features.  So make sure yo know how to adjust these settings to the right values for your system, before you reset the RTH8580WF.





5. Touch the DONE Button

Again, record the settings changed when you first installed the thermostat.  Then press the DONE button in the lower left corner of the screen, shown in the last picture.

This starts the factory default reset of the Honeywell RTH8580WF thermostat.

The screen goes black a couple of times, as seen next.

Picture of the t-stat, displaying blank screen during factory reset operation.
The t-stat displaying blank screen during factory reset operation.

Then after several seconds, it prompts you to enter the correct date, as follows.

Picture of the Honeywell RTH8580WF Thermostat, prompting for current date and time.
The RTH8580WF, prompting for current date and time.

7. Program the Current Date to Continue with How to Reset the Honeywell RTH8580WF Thermostat

Use the UP and DOWN arrows beside the year, month, and day to adjust these to their correct settings.

When the correct date appears, press the DONE button.

The time setting screen is then shown as follows.

Picture of the t-stat, displaying the -Set Time- screen.
The t-stat, displaying the -Set Time- screen.

8.  Enter the Current Time of Day

Touch the UP / DOWN arrow buttons.  Find these beside the time display. Tap them until the right time appears, as in our case, displayed next.

Picture of the t-stat, displaying the time after setting.
The t-stat, displaying the time after setting.

9. Press the DONE Button 

The RTH8580WF then shows the main status and menu screen as seen next.  The default system state is OFF, and the default 7-day program is now in effect.





From here, you can set the temperature, enter your WiFi info (described here), and set any custom settings you need.

Picture of the Honeywell RTH8580WF Thermostat, displaying main screen after factory defaults reset.
The smart thermostat, displaying main screen after factory defaults reset.

10. Done with How to Reset Honeywell RTH8580WF Thermostat !

Other Posts About the Honeywell RTH8580WF WiFi Thermostat

  1. Honeywell WiFi Thermostat RTH8580WF Manual
  2. How to Take Off Hold on Honeywell Thermostat
  3. How to Change Honeywell Thermostat Temperature Setting
  4. Change Wireless Network on Honeywell WiFi Thermostat RTH8580WF
  5. 7 Day Programmable Thermostat Reviews

Other Posts About the Honeywell Thermostat 

  1. How to Restart Honeywell Thermostat

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References for Reset Honeywell Thermostat RTH8580WF

  1. Additional Info on Wifi Thermostats from Honeywell
  2. Honeywell Total Connect Comfort Solutions web site 
  3. Where to buy the Honeywell RTH8580WF Thermostat
  4. What is a   Programmable Thermostat?   on Wikipedia

Revision History

  • 2019-05-12: Added targeting for ‘Reset Honeywell Thermostat RTH8580WF’, removed ad code, and added tags.
  • 2017-01-15: Simplified this article’s title to: How to Reset Honeywell Thermostat RTH8580WF to Factory Default
  • 2016-02-09: Originally published.
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