Honeywell t6 lock code

Stand close to one of the T6 Pros. In HomeKit, select the + sign (top right) and select 'Add Accessory'. Select 'More options..." above the camera view. You should see the title: 'Select an Accessory to'. Select 'My Accessory Isn't Shown Here'. Under 'Enter a Setup Code', select 'Enter code...'. Your T6 Pro should be showing a new HomeKit code ...

Step 2. Select "Change Lock Mode" to adjust your lock settings. Select the lock option you want to use. For example, select "Unlocked" if you want to allow unrestricted access to thermostat settings. Select "Partially Locked" if you want to allow other users to change only the temperature. Select "Fully locked" if you want to restrict access to ...2 Thermostat Controls. 3 Programmable Thermostat. 4 To Adjust Program Schedules. 5 Adjusting Keypad Lockout. 6 Battery Replacement. 7 Troubleshooting. Download this manual. See also: Instruction and Installation Manual. T6 Pro.Sep 30, 2022 · If you have forgotten your 4-digit passcode, there are two things that you can try out to unlock your Honeywell thermostat: Insert 1234 as the passcode. If that didn’t work, then look inside the thermostat and take note of the 4-digit date code; after that, add 1234 to the number. For example, if the date code is 0919, then insert 2153 as the ... Lock Picking: Cylinder Locks - Cylinder locks make up most deadbolts. Find out how cylinder locks work, how to pick a cylinder lock and about the pin-and-tumbler design. Advertisem... Summary of Contents for Honeywell resideo TH6320U2008. Page 1 T6 Pro Programmable Thermostat TH6320U2008, TH6220U2000, TH6210U2001 User Guide Package Includes: – • T6 Pro Thermostat • UWP™ Mounting System • Standard Installation Adapter (J-box adapter) • Decorative Cover Plate – Small; size 4-49/64 in x 4-49/64 in x 11/32 in (121 ...

View and Download Honeywell Home T6 user manual online. Smart Thermostat. T6 thermostat pdf manual download. Also for: T6r.Home Title Lock offers a subscription monitoring service for your home's title, but is it the same as home title insurance? There’s no shortage of companies offering insurance or o...Hello my name is***** are the instructions to unlock your Honeywell thermostat. Adjusting keypad lockout. 1 Press Menu on the thermostat. to go to LOCK. Press Select. 2 Press. or. to go to OFF, PART, or ON, and then press Select. 3 Press. or. OFF: Unlocked, and full access allowed. PART: Partial lockout, allowing only the …Creating custom codes allow for a level of access that’s unavailable in the aforementioned door locks. Honeywell Digital Door Locks offer a way for you, family, friends or even coworkers an entrance without the need of …Smart Response Learning. The T6 Pro 7-Day Programmable Thermostat learns your heating and cooling cycle times to deliver the right temperature when you want it. With precise temperature control, the thermostat can automatically change from heating to cooling to help maintain the temperature you like most. Intuitive Design.Go to your thermostat and switch from Heating to Cooling and then feel the temperature of the air blowing from the vent. If COLD, this means your thermostat is cooling correctly, but the heating isn’t working properly. Contact Support at 1-855-733-5465 to find a pro-installer in your area.Scroll down to “Thermostat Information. Record the “Date Code”. Press the “back” arrow, then scroll down to “Installer Options”. Enter the Date Code when prompted to “Enter your password”. Select “Reset”. Select “Factory Reset”. PERFORMING A WiFi RESET. Press the Menu icon. Scroll down to “WiFi” and select it.Temperature control modes. Your T6 Pro Hydronic Programmable Thermostat can be set to operate in one of 3 different control modes. These settings determine which temperature is measured, controlled and displayed on the thermostat home screen. Each thermostat in your home can be set to a different control mode.

Even if you used the current Master Code in order to get to this screen. Edit Master Code. Once you are in the Master User profile screen, click the pencil icon to the right of the PIN. You will be prompted to enter the new PIN. Enter the desired 4-digit code. You will now be prompted to Confirm new PIN. Re-enter the desired 4-digit code.Dec 19, 2023 · Use a screwdriver to tighten the terminal screws and ensure a secure connection. Now, snap the T6 Pro Smart Thermostat onto the mounting plate. Ensure that it is properly aligned and securely attached. Once the thermostat is installed, turn on the power to your heating and cooling system at the breaker or fuse box. The T6 Pro 7-Day Programmable Thermostat learns your heating and cooling cycle times to deliver the right temperature when you want it. With precise temperature control, the thermostat can automatically change from heating to cooling to help maintain the temperature you like most. Intuitive Design. The programmable thermostat comes with simple ... To set the PIN* protection on the T6 Range of Smart Thermostats, please follow the steps below: ... The article refers to the Thermostat Lock Screen PIN Code and not to the PIN required in the App registration, nor the PIN Access Code of the Honeywell Home mobile App. File 1. File 2. File 3. Thermostats T6 And T6R Smart Thermostat.T6 lyric is locked and forgot the code. Adding 1234 isn't working. 1234 itself does not work either. Honeywell t-6 - Answered by a verified HVAC Technician ... I am locked out of my T6 Honeywell pro series thermostat I have tried 1234, I have tried adding 1234 to the code on the back. ... forgot my t6 pro lock code and I am locked out. Need …

Sdi 4k modulayor.

The Master Lock key code, or key number, is available as an imprint on the side of the key. This number is necessary if needing new keys for a Master Lock padlock. If a key number ...To unlock your Honeywell T4 Pro series thermostat, press the center button. Now enter the PIN code to unlock it. The default PIN is ‘ 1234 ’. Use the “-” and “+” keys to select the numbers. When get the number 1, press the select button to select it. Then get 2, 3, and 4 to unlock. Remember :- The default unlock passcode for each ...The Honeywell digital thermostat RTH8500 series can handle most HVAC systems. A 181 code is one of the most common because it is a reminder to replace the air filter. This code can be easily reset after you make sure that the filter has been replaced or inspected. To reset the filter replacement code, simply touch the "dismiss" button on the ...Here is how to go about it. Press the “Menu” button on your thermostat. Press “Security Settings.”. Select “Change Lock Mode” (This allows you to adjust your lock settings). Select the lock option you want to use. (Such as “Unlocked” for unrestricted access to thermostat settings, select “Partially Locked” to allow for ...Cette vidéo vous montre comment appairer votre nouveau thermostat Lyric T6 avec l'Application Lyric.

SKU: TH6220WF2006/U. Put Customers in Control of Their Comfort. The T6 Pro Smart Thermostat is the intuitive comfort control for your customers. Program a 7-day schedule, or let it respond automatically. The two versions of the T6 Pro Smart Thermostat allow for the varying stages of your customer's heating systems. Select a Model:11 May 2021 ... Need help with your Honeywell T6 Thermostat? Sierra Air Conditioning & Heating has a quick, yet comprehensive tutorial showing you how to ...Lameck. For a locked screen, follow the following steps to be able to unlock. On the thermostat, press Menu. Press + or - to go to LOCK and press Select. Press + or - to go to OFF, PART, or ON, and then press Select. Press the CENTER button and then enter the password “1234” to unlock the keypad. To enter the password, press + or - to ...The T6/T6R smart thermostats are designed to provide. automatic time and temperature control of heating. systems in homes and apartments. It's compatible with 24-230V on/off and OpenTherm®. appliances such as gas boilers, combi-boilers and heat. pump. Also works with zone valve applications but not with. electric heating (240V). The T6 is for ...A wide range of reliable heating and cooling control products and solutionsUnlocking the screen lock on a Honeywell T6 Pro Smart style thermostat If you’ve forgotten the code or it’s asking for the code during reset or initial setup, try “1234.” In the case of the T6 Pro Series, the code can be recovered by removing the thermostat faceplate and locating the four-digit code at the top right corner of the base ...Unlocking and locking the Honeywell Thermostat Pro Series is not that difficult if you have a basic understanding of keys and words. This process can unlock T4 and T6 types of Pro Series thermostats similarly. Here is the sequence: Tap the lock option located in the center of the home screen.May 7, 2020 · Many people want to know how to lock their Honeywell thermostat so the people in their home can stop adjusting the temperature on their own. Allow us to intr...

Yes, the Honeywell Home thermostat has a lock function, which can restrict access to the thermostat in two levels: Partial: allows changing the setpoint temperature only. Full: restricts all access to the thermostat. When the function is activated a PIN code is given to unlock the screen of the thermostat. Please take note of the PIN code.

For T4 Pro Series: Push the ‘Unlock’ button on the Honeywell Thermostat. For T6 Pro Series: Press the lock icon on the touchscreen. For 8000 Series Honeywell Thermostat: Press and hold both the ‘System’ and ‘Auto’ choices on, after which hit the lower center key.Non-Programmable Thermostats. For simplicity and comfort control, look to Honeywell Home non-programmable thermostats. From the classic circular dial model to easy-to-use soft-touch buttons and backlit displays, our non-programmable thermostats allow you to easily set your preferred temperature with the touch of your hand. Home. Shop All Products.6. Testing Lock With the Door Open a. Test the Lock using the interior Knob. The bolt should move smoothly. b. Test the lock using the Keypad. To lock press and then press “ 1234” to unlock. Override Access Key Exterior Assembly Interior Assembly Interior Knob Battery Cover Light Indicator KeypadLyric™ T6 Pro Wi-Fi Thermostat programmable *TH6320WF2003 illustré. Les autres modèles peuvent varier. Visitez yourhome.honeywell.com pour obtenir le guide de l’utilisateur complet. Pour obtenir de l’aide, veuillez contacter : SITE WEB lyric.honeywell.com COURRIEL [email protected] TÉLÉPHONE 1-800-633-3991Instructions to Unlock. To unlock, tap on the ‘ lock ’ icon. Enter the PIN/code and then tap on ‘ Select ’ to unlock it. To unlock Honeywell T6 Pro without knowing the PIN, get it off the wall and remove its plate. Look for 4 digit code at the top right corner, and then add ‘1234’ to this code. The resultant 4-digit code will be ...11 May 2021 ... Need help with your Honeywell T6 with Z Wave Thermostat? Sierra Air Conditioning & Heating has a quick, yet comprehensive tutorial showing ...Find out about the Honeywell Wi-Fi Programmable Touchscreen Thermostat that lets you control the temperature in your home through your smartphone or computer. Expert Advice On Impr...Contents hide 1 Honeywell Home T6 Pro Wi-Fi Programmable Thermostat 2 Thermostat Features 3 Thermostat overview 3.1 Resideo App overview 4 Adjusting the temperature 5 Schedule overrides 5.1 Adjusting the temperature in Auto mode 5.2 Selecting system mode 5.3 Setting the fan 6 Connecting to a WiFi network 6.1 Disconnecting and …View and Download Honeywell T6 user manual online. SMART THERMOSTAT. T6 thermostat pdf manual download. Also for: T6r. ... CLOCK model, MAC code, etc. Set the time and date Once connected to your Wi-Fi network and Honeywell Home App, the Thermostat will briefly display SUCCESs and the connected symbol will be displayed in …Sep 30, 2022 · If you have forgotten your 4-digit passcode, there are two things that you can try out to unlock your Honeywell thermostat: Insert 1234 as the passcode. If that didn’t work, then look inside the thermostat and take note of the 4-digit date code; after that, add 1234 to the number. For example, if the date code is 0919, then insert 2153 as the ...

Journalist wells crossword.

Jobs in the army with low asvab scores.

2 Thermostat Controls. 3 Programmable Thermostat. 4 To Adjust Program Schedules. 5 Adjusting Keypad Lockout. 6 Battery Replacement. 7 Troubleshooting. Download this manual. See also: Instruction and Installation Manual. T6 Pro.Bookmarks. Advertisement. Quick Links. 1 Table of Contents. 2 Quick Reference to the Display. 3 Connecting to a Wi-Fi® Network. 4 Main Menu. 5 Setting the System Mode. 6 Schedule Options. 7 Troubleshooting. Download this manual.9 Aug 2023 ... I have a T6 Pro (product code TH6320ZW) thermostat connected to HA via ZWave. It all works fine, except the Thermostat State does not change ...Lock Picking: Cylinder Locks - Cylinder locks make up most deadbolts. Find out how cylinder locks work, how to pick a cylinder lock and about the pin-and-tumbler design. Advertisem...T6 PRO PROGRAMMABLE THERMOSTAT Manual & Support. TH6320U2008/U, TH6220U2000/U, TH6210U2001/U. Download Manual Download Installation Guide. Download Service Datasheet. T6 PRO PROGRAMMABLE THERMOSTAT Product Page.Page 10: Thermostat Mounting. Thermostat mounting 1.Push excess wire back into the wall opening. 2. Close the UWP door. It should remain closed without bulging. 3. Align the UWP with the thermostat, and push gently until the thermostat snaps in place. 4. Turn the power on at the breaker box or switch.Yes, the Honeywell Home thermostat has a lock function, which can restrict access to the thermostat in two levels: Partial: allows changing the setpoint temperature only. Full: restricts all access to the thermostat. When the function is activated a PIN code is given to unlock the screen of the thermostat. Please take note of the PIN code.Contents hide 1 Honeywell T6 Pro Wi-Fi Programmable Thermostat 2 UWP Mounting System Installation 3 Terminal designations 3.1 Setting Slider Tabs 3.2 Ventilation systems 4 Using U Slider Tab 5 Installer setup – using the thermostat 6 Key features 6.1 Installer setup options (ISU) – advanced menu 6.2 Performing a system test 7 Troubleshooting 7.1 […]Unlocking the screen Following Schedule Touch the lock symbol on the thermostat Mode home screen. Heat Auto When prompted to enter a PIN number, Away Home Sleep touch to select the first number of the PIN code. Touch Select to confirm, and MCR37051 M36396 repeat for the remaining numbers.Summary of Contents for Honeywell resideo TH6320U2008. Page 1 T6 Pro Programmable Thermostat TH6320U2008, TH6220U2000, TH6210U2001 User Guide Package Includes: – • T6 Pro Thermostat • UWP™ Mounting System • Standard Installation Adapter (J-box adapter) • Decorative Cover Plate – Small; size 4-49/64 in x 4-49/64 in x 11/32 in (121 ...Feb 16, 2024 · The T6 Pro thermostat has the ability to lock the screen. The options are either "PART" for a partial lock, "ON" for full lock, or "OFF" for no lock. From the Home screen, press the Menu button. Press the > button until the word LOCK appears on the screen. Press the Select button. Press the < or > button to scroll between "OFF", "ON", or "PART ... Tap “Devices”. Scroll to “Security” and tab “Alarm Base Station”. Tap “Base Station”. Tap the “gear” in the upper-right. Scroll to “Tools” and table “Advanced Options”. Under “Protocol Adapters” tap “Z-Wave”. Tap “Remove Z-Wave Device”. At the bottom of the page, tap “REMOVE”. Now go to your Honeywell ... ….

Smart Response Learning. The T6 Pro 7-Day Programmable Thermostat learns your heating and cooling cycle times to deliver the right temperature when you want it. With precise temperature control, the thermostat can automatically change from heating to cooling to help maintain the temperature you like most. Intuitive Design. Press the tick. Go to Date Code using and arrows. The date code number will be displayed below. The date code for the T6 thermostat can be found on the back of the actual unit after detaching the device from the wall. 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 ...From the bookbag to the purse to the briefcase to the car, a standard cell phone travels far and wide in a given day. And with the amount of private information, phone numbers, and...Lock Picking: Cylinder Locks - Cylinder locks make up most deadbolts. Find out how cylinder locks work, how to pick a cylinder lock and about the pin-and-tumbler design. Advertisem...Jul 20, 2020 · T6, T6R, Lyric, lock, screen, code, thermostat locked, PIN, block, unlock, reset, display. Answer / Solution. At the moment the PIN of the T6/T6R Smart Thermostat cannot be changed. The PIN is 1234 + Date Code. For example, if the date code of your T6/T6R thermostat is 1640, the PIN for the T6/T6R will be: 1234 + 1640 = 2874. The 4 digit PIN code used to fully or partially lock the screen of the T6/T6R Smart Thermostat cannot be changed and is unique to each thermostat. The PIN code is the sum of 1234 + Date Code. For example, if the date code of your T6/T6R thermostat is 1640, the PIN for the T6/T6R will be: 1234 + 1640 = 2874. Note: 1. The Process: Actions. Step 1: Remove the face plate from the wall, and look on the backside. Step 2: Locate the four-digit number beside the s/n or It should be in the top right corner. Step 3: Take this pin number above and add the default Honeywell code "1234" (or 1235) to this code. (Ex: 2218 + 1234 = New pin). 10 Apr 2017 ... Honeywell Thermostat Instructions, Wire Terminals, Functions, Color Code! Furnace and AC! Heat Pump! AC Service Tech LLC•221K views · 1:58. Summary of Contents for Honeywell resideo TH6320U2008. Page 1 T6 Pro Programmable Thermostat TH6320U2008, TH6220U2000, TH6210U2001 User Guide Package Includes: – • T6 Pro Thermostat • UWP™ Mounting System • Standard Installation Adapter (J-box adapter) • Decorative Cover Plate – Small; size 4-49/64 in x 4-49/64 in x 11/32 in (121 ... 24 Jul 2022 ... ... lock the screen on the Honeywell T5 Smart Thermostat. This prevents anyone without the PIN code from changing the temperature from the Honeywell ... Honeywell t6 lock code, If you have a C wire, place it into the C terminal on your wall plate. C wire adapters are available here. Let’s look at the G wire. This wire goes to the G terminal on your new thermostat. Of the Y, Y1, and Y2 wires, Y or Y1 go to the Y terminal and Y2 to the Y2 terminal. The O/B wire can have many configurations., For T4 Pro Series: Push the ‘Unlock’ button on the Honeywell Thermostat. For T6 Pro Series: Press the lock icon on the touchscreen. For 8000 Series Honeywell Thermostat: …, Feb 25, 2022 · All other settings are locked. When SCREEN LOCK is active, a “lock” icon will be displayed on the thermostat display. Press Menu on the thermostat. Press + or - to go to LOCK. Press Select. Press + or - to go to OFF, PART, or ON, and then press Select. To unlock the keypad, press the CENTER button and then enter the password “1234”. , Factory default Programming Code = 123456, this is the master password for your lock. All programming functions require this code. Follow the below sequence to change the Programming Code to your custom 6 digit combination. TO ADD A NEW USER CODE (you can add up to 50 new user codes) The User Code must be a 4-8 digit combination., Codes that have the wireless symbol indicate that the accessory has an NFC radio on-board, which allows it to pass pairing information directly to your phone. Finally, the latest HomeKit code uses a more compact label, which only includes the house icon, and the eight-digit code, which unfortunately cannot be scanned by the Home app., My Honeywell T6 thermostat screen is locked, an I cannot unlock it. I have tried entering 3 different pins: “1234” “2109” (which is the date code on the back) and “3343” (which is the date code 2109 + 1234) None of those worked., Jun 6, 2019 · ️ ️ Please Subscribe. It would be very helpful ️ ️ ️Good deal on Honeywell T6: https://www.amazon.com/gp/product/B01MUKUMEX/ref=as_li_tl?ie=UTF8&camp=1789... , Thermostats Take control of your home comfort and save on energy costs with a range of Honeywell Home thermostats. From smart WiFi thermostats with room sensors and humidification control, to programmable and non-programmable thermostats, Honeywell Home products meet a variety of needs., The T6 Pro thermostat has the ability to lock the screen. The options are either "PART" for a partial lock, "ON" for full lock, or "OFF" for no lock. From the Home screen, press the Menu button. Press the > button until the word LOCK appears on the screen. Press the Select button. Press the < or > button to scroll between "OFF", "ON", …, Honeywell T6 Pro Z-Wave (TH6320ZW2007) Add-ons Bindings. tuaris (Daniel Morante) October 26, 2023, 5:33pm 1. I’m looking to purchase a Z-wave thermostat. I’ve settled on the Honeywell TH6320ZW2007/U since it should be a simple swap out for my current one which is the non-smart version of the same T6 Pro series., The PIN is 1234 + Date Code For example, if the date code of your T6/T6R thermostat is 1640, the PIN for the T6/T6R will be: 1234 + 1640 = 2874. *NOTE: The article refers to the Thermostat Lock Screen PIN Code and not to the PIN required in the App registration, nor the PIN Access Code of the Honeywell Home mobile App., A wide range of reliable heating and cooling control products and solutions, 21 Jan 2022 ... Honeywell Thermostat ProSeries settings configurations ... Honeywell T6. Easy solution. HVAC OTJ•66K ... Thermostat screen lock. Salvatore Lorenzen ..., The Honeywell Home T5, T6, T9 and T10 Pro Thermostats are now available in the Ring app. You can adjust the temperature, change from heat to cool, and turn on and off the fan all from the Ring app, allowing you to save on energy costs. ... Linking Level lock with Amazon Sidewalk to the Ring App; Lennar Homeowners with Hippo Insurance Eligible ..., To help, we’ve put together a step-by-step video explaining the process of how you can unlock your Honeywell T4 Pro Thermostat! Steps 1) From the locked home screen, press the center button. 2) Enter the passcode. The default passcode when the Honeywell T4 Pro is partially or fully locked is 1234. Press the Plus or Minus buttons to …, HVAC Technician: David Bowden. Since the date code and variation on the date code did not unlock the thermostat, the only other option to try is a factory reset and using the installers menu (see item 435 for procedures). If these steps do not unlock the thermostat, you might consider calling Honeywell direct or replace the thermostat., Hello my name is***** are the instructions to unlock your Honeywell thermostat. Adjusting keypad lockout. 1 Press Menu on the thermostat. to go to LOCK. Press Select. 2 Press. or. to go to OFF, PART, or ON, and then press Select. 3 Press. or. OFF: Unlocked, and full access allowed. PART: Partial lockout, allowing only the temperature to be changed., Feb 9, 2022 · How do I unlock the screen? Touch the screen. You will be asked for a passcode to unlock and enter the screen. You will need to add 1234 to your date code. Example: 1234+1632 = 2866 pass code. , 21 Jan 2022 ... Honeywell Thermostat ProSeries settings configurations ... Honeywell T6. Easy solution. HVAC OTJ•66K ... Thermostat screen lock. Salvatore Lorenzen ..., How do I unlock the screen? Touch the screen. You will be asked for a passcode to unlock and enter the screen. You will need to add 1234 to your date code. Example: 1234+1632 = 2866 pass code., 10 Apr 2017 ... Honeywell Thermostat Instructions, Wire Terminals, Functions, Color Code! Furnace and AC! Heat Pump! AC Service Tech LLC•221K views · 1:58., Speak directly with an agent for help with our products. The thermostat has 3 settings for the screen lock: Unlocked, Partial Lock, and Full Lock -Unlocked: All settings …, 2. Tap the Security Settings Option. The Security Settings screen then displays, as shown next. The t-stat, displaying its -Security Settings- screen. 3. Tap the Change Lock Mode Button to Continue with How to Lock and Unlock a Honeywell Thermostat. This brings up the Change Lock Mode screen, as shown next., Scroll down to “Thermostat Information. Record the “Date Code”. Press the “back” arrow, then scroll down to “Installer Options”. Enter the Date Code when prompted to “Enter your password”. Select “Reset”. Select “Factory Reset”. PERFORMING A WiFi RESET. Press the Menu icon. Scroll down to “WiFi” and select it., and resume the regular schedule. Your new T6/T6R Smart Thermostat supports location-based scheduling which can intelligently override the time-based schedule. If your schedule varies or you regularly depart and return at different times, the Thermostat can automatically adjust to your life. No rigid scheduling., 6 If the code is incorrect, the screen will flash the lines "--". 7 Press . Back. to go back a step to enter the correct number and press . Select. Adaptive Intelligent Recovery. Over time, the Honeywell T6 Pro Thermostat “learns” how long it takes your system to reach the temperature you want., 6 days ago · T6-T4 Smart Setup Codes List. There are too many codes to list here so instead, jump to page 11 in the PDF below. (Note: Click the rotate button, as the ISU codes page is rotated 90 degrees). This is for the TH6220WF2006 & TH6320WF2003 in particular. For more installation manuals with ISU codes, check out my list here. , Step 2. Select "Change Lock Mode" to adjust your lock settings. Select the lock option you want to use. For example, select "Unlocked" if you want to allow unrestricted access to thermostat settings. Select "Partially Locked" if you want to allow other users to change only the temperature. Select "Fully locked" if you want to restrict access to ..., RCHT8612WF2015/U, SMHOM8610KIT, RCHT8612WF2015/W, RTH8800WF2022/U, RCHT8610WF2006/U. Download Manual Download Installation Guide. Download Service Datasheet. T5 SMART THERMOSTAT Product Page. , Here is how to go about it. Press the “Menu” button on your thermostat. Press “Security Settings.”. Select “Change Lock Mode” (This allows you to adjust your lock settings). Select the lock option you want to use. (Such as “Unlocked” for unrestricted access to thermostat settings, select “Partially Locked” to allow for ..., Simply press the center button on the front of the thermostat, under where it says “unlock.”. Next, enter the four-digit passcode. The default password on this model is “1234”. From here, use the plus/minus buttons to change the number up and down. When you get to the correct number, hit the “select” button., Press or to go to LOCK. Press Select. Press or to go to OFF, PART, or ON, and then press Select. ... If the code is incorrect, the screen will flash the lines "--". ... Download Honeywell T6 Pro Hydronic, TH6100AF2004 - Programmable Thermostat Manual., The Lyric T6/T6R smart thermostats are designed to provide automatic time and temperature control of heating systems in homes and apartments. It’s compatible with 24-230V on/off and OpenTherm® appliances such as gas boilers, combi-boilers and heat pump. Also works with zone valve applications but not with electric heating (240V).