Nor will you be able to reset the thermostat to factory defaults without calling Honeywell for help. Try tapping the up and down arrows that adjust the current temperature setting. The PIN is 1234 + Date Code. The next picture shows the main menu, already scrolled, to reveal this option. You need not remove the password to unlock the thermostat. 2) Enter the passcode. You cannot reset the passcode if the device is not in the app any longer. At the moment the PIN of the T6/T6R Smart Thermostat cannot be changed. — thermostat connections at the two C terminals. We also assume that the t-stat is showing its  Home   page. The screen lock mechanism, and Security Settings password feature, function somewhat independently of each other; though they are related. So, we used the up and down arrows above and below each number position to enter the correct digit for each position. You need not remove the password to unlock the thermostat. You've reset your device! Change your "Options" by pressing "Up" or "Down" as you observe the "Current Setting" number on the screen. Clock does not run. The t-stat, displaying its -Security Settings- screen. E.g. 1) From the locked home screen, press the center button. Once there, you may have to press the down-arrow button a few times to locate the  Security Settings  item. Again, unlocking allows access to the Security Settings menu. This is extremely beneficial in situations where you do not want other people to change the settings on your thermostat. Some other models may ask if you want to unlock your thermostat. However, here we’re going to add one nonetheless, to demonstrate the comprehensiveness of the locking mechanism on Honeywell thermostats. Go to Date Code using and arrows. Make sure the “Function” is set to 0670. This  keeps anyone from messing with t-stat settings without first putting in a password. Thermostat unlocking is now complete. Thermostat should be about 5 ft (1.5m) above floor on an inside wall. Find the   MENU   button in top right corner of that page. This takes you back to the  Security Settings  screen, as shown next. How Your System Avoids Shocks Photo courtesy of intographics via Pixabay Below, you can check out the list of troubleshooting instructions for different models of Honeywell thermostat brand. Press the UP/DOWN buttons to change each flashing digit, using the NEXT button to cycle through which digit is flashing. If you didn’t set a password, then you won’t need a password. The date code is on the red sticker, under the four connection pins for the wired version or under the MAC ID for the wireless version. Select the desired mean temperature using "Up" or "Down." Select the lock option you want to use. This brings up the Change Lock Mode screen, as shown next. 3. Unlocking your Carrier thermostat "button lock" The next picture shows the main menu, already scrolled, to show the   Security Settings   item. To setup the thermostat, press MENU and scroll down to press INSTALLER OPTIONS. Fret not! Be careful not to misplace or forget this passcode. Now what? Enter the code you assigned when you set up the password. Press and hold the NEXT button for at least 5 seconds. Press the screen button below the number "2" to lock the screen. There you can either fully unlock, partially lock, or remove the password altogether. We demonstrate this on Honeywell’s RTH9580WF smart WiFi thermostat. — calibration of thermometer. Smart/Lyric Round (TH8732WFH) Press and hold the Cloud Icon ; Press ↓ until you see Reset, and then select it ; Congratulations! This then displays the main menu page. See below for how to unlock this locked Honeywell smart thermostat. It was just installed Friday. The   Security Settings   screen then displays, as shown next. Change the lock mode while leaving the existing password in place. Use the up and down arrow keys to the right and set the value to "0" (zero) The password restricts only the access to the   Security Settings   main menu function. Press Menu on the thermostat. Purely on the technical side - it's a Honeywell T6 Pro (not wifi enabled) and has the lil row of buttons on the bottom. Nor must you change the lock mode in order to remove the password. With a programmable thermostat, such as a Honeywell thermostat, you can program it to turn it on and off according to your schedule.If you want to change the program or if the screen is not on, you can easily reset the Honeywell programmable thermostat.. Resetting a thermostat could be confusing for many of us, but some of us can do it instantly. Product Reviews, Experiences, and Technical Insights from Thomas J. Hesley. 2. A password protected Honeywell thermostat then shows the Please enter your password prompt screen, as shown next. 3. Press Select. You will want to go to off. With most Honeywell models, the default keypad code is “1234.” You can punch this in by scrolling through the available numbers using the +/- buttons. In this demo, our security code was 2752. Note that we could have tapped the   Partially Locked   button here instead, in which case   that  option would have been highlighted in the next screen shot. We’re now going to lock it. You create this pass code iwhen you request to lock your thermostat. I have removed the face plate and taken out batteries and reinstalled. The date code for the T6 thermostat can be found on the back of the actual unit after detaching the device from the wall. Congratulations! Simply so, how do I change the password on my Honeywell thermostat? In this scenario, our security code was 2752. Again, don’t forget that you might have to press the down-arrow button a few times to find the  Security Settings  menu item. If you see the following items such as…. You set this pass code when locking your t-stat. Enter your keypad code. The next picture shows the main menu, already scrolled, to show the   Security Settings   option. Your thermostat is now fully locked. Without it, you’ll be unable to gain access to the thermostat controls. The date code number will be displayed below. To unlock the keypad, press the CENTER button and then enter the password “1234”. The default passcode when the Honeywell T4 Pro is partially or fully locked is 1234. The  Previous Menu   option returns you to the main menu, as shown next. Press the "System" key to access "Advanced Settings." Unlock Honeywell ProSeries Thermostat. This manual comes under the category Thermostat and has been rated by 5 people with an average of a 8.8. When the thermostat is indeed locked fully, any attempt to change the temperature produces the  Screen Locked   screen, as displayed next. The thermostat will return to the Normal Run screen without the padlock, and the thermostat is now unlocked. To unlock Honeywell thermostat follow these step by step instructions:-Step 1:- Press the center button of your Honeywell ProSeries thermostat. This is shown in the next screenshot. After being locked for a period of time, you may have forgotten how to unlock the thermostat … So you won’t need a password therefore, to unlock it. Carrier thermostat control panels come with a built-in "button lock" for preventing accidental changes to your home temperature settings. You can now configure your device for it's new settings, either using the Honeywell Home mobile app, or on the thermostat screen itself. This is shown in the next screenshot. Note that all menu items are now available. Enter the date code (password) when prompted. Press the Up or Down button to increase or decrease the current temperature setting. Enter your email address to subscribe to this blog and receive notifications of new posts by email. But in this demo, we’re only showing what happens with the   Fully Locked   mode. To enter the password, press + or - to change the … But the lock screen mechanism restricts access to certain main menu items as well as the temperature setting buttons on the home screen if in full-lock mode. Confirm the number with a tick, and repeat for the remaining numbers. This returns you to the thermostat’s home screen, as shown next. Ask your question here Partially locked mode disallows the same main menu functions as fully locked mode. The thermostat will display the current temperature setting on the screen. Then, to unlock it, the t-stat asks you to enter this secret code to again have full control over settings such as WiFi, temperature, scheduling, and other HVAC settings. You may view current thermostat status and settings while locked; you just can’t change anything. Either lock mode permits access to the following status menu items. Verify this by scrolling down through them. This returns you to the  main menu as shown next. This unlocks the thermostat and returns you to the  Security Settings  screen, as shown next. This again displays the   Change Lock Mode    screen, but now, shows that  Fully Locked  option highlighted in the bright blue. from ThermostatForums.com, Honeywell Thermostat with Lockout Feature, How to Unlock a Honeywell Digital Thermostat, How to Unlock Honeywell Internet Thermostat, How to Unlock Honeywell Thermostat Screen, How to Unlock Honeywell Touchscreen Thermostat, How to Unlock Screen Honeywell Thermostat, How to Unlock Screen on Honeywell Thermostat. The thermostat is now in fully locked mode. Some models of the Honeywell smart thermostats including the RTH9580WF discussed in this post, feature a screen lock mode, that prevents anyone from changing thermostat settings without first entering a pass code. Tapping   Done   returns you to the   Security Settings   screen, showing that the   Create Password   button has now changed to the    Remove  Password   button. A Trane thermostat has the ability to have the keypad locked. This then displays the main menu screen, as we did above. Subsequently, the t-stat asks you to enter this password to regain access to settings such as temperature, scheduling, Wi-Fi, and general system settings. If no connections, clock needs batteries in order to run. We have for you an easy guide for your troubleshooting problems. Keep in mind that you might have to press the down-arrow button several times to reach the Security Settings option. We assume here that your thermostat is fully unlocked to start with. My new Honeywell thermostat shows screen locked at all times. Again, all that entering this password correctly does, is allow access to the Security Settings menu, where you can then either completely unlock, partially lock, or remove the Security Settings password altogether. If a password has been established, you’ll need it to enter the   Security Settings  menu whether or not screen lock mode is in effect. Are you having issues when troubleshooting your Honeywell Thermostat Vision Pro 8000? Fully locked Honeywell thermostats prevent any changes to settings at all, including the current temperature. From here, you could choose either of the following. — area around thermostat for drafts or radiant heat. 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