The best way to Lock and Unlock Honeywell Professional Sequence Thermostats – YTECHB

Personal a Honeywell Professional Thermostat and wish to lock or unlock it? Right here is the information on how one can lock and unlock Honeywell Professional Sequence Thermostat.

Thermostats are important gadgets in each family on the subject of heating or cooling your house. One of many common thermostat manufacturers is Honeywell. Honeywell makes numerous thermostats which you could buy on your dwelling. You may select between the programmable and non-programmable ones. Or, you possibly can go for the Professional or non-pro collection. Both one allows you to management and handle the temperatures in your house.

With thermostats put in in your houses, it’s critical to make sure that the settings and schedules which have been arrange haven’t been interfered with. There’ll at all times be somebody who needs to maintain altering temperatures or perhaps the child who needs to play with temperatures on a regular basis. On this case, locking up the thermostat is a greater thought. On this information, we will likely be speaking about how one can lock in addition to unlock the thermostats simply. Let’s get began.

The best way to Lock Honeywell Professional Sequence Thermostats

Whether or not you wish to lock your settings to the thermostats or wish to unlock them to alter the settings, you possibly can simply carry out each duties with out having to battle round an excessive amount of.

Lock Honeywell T4 Professional Sequence Thermostats

Locking the Honeywell Professional collection thermostats is straightforward and straightforward. You may comply with these steps that can work with the Honeywell T4 Professional Sequence Thermostats.

How to lock Honeywell Pro Series Thermostats
  1. First, press the Menu button in your thermostat.
  2. Now, use the Plus or Minus buttons on the thermostat to navigate by the menus.
  3. When you get the Lock possibility in your display, Choose it by urgent the Choose button in your thermostat.

Lock Honeywell T6 Professional Sequence Thermostat

In case you personal a T6 Professional collection thermostat, you possibly can simply lock it however with a special methodology. Right here is how:

  1. Faucet on the Menu possibility and navigate by the menu.
  2. Choose the Display screen Lock choices.
  3. Tapping on choose will allow you to select between Full Lock or Partial Lock. Select the one that you simply desire.
  4. The PIN will likely be displayed when you choose both possibility. Ensure to pay attention to this PIN as it is going to be wanted to unlock the thermostat.

The best way to Unlock Honeywell Professional Sequence Thermostats

After locking the thermostat additionally, you will have to unlock it once you wish to change its settings. And so right here is the information to unlock Honeywell Professional collection thermostats.

Unlock Honeywell T4 Professional Sequence Thermostats

Locked your Honeywell T4 Professional collection thermostat and now wish to unlock it? Right here’s how one can unlock the exact same thermostats. Observe these steps.

  1. Press the Middle button in your thermostat and enter the password.
  2. The default password is 1 2 3 4.
  3. You need to use the + or – buttons in your thermostat to pick out the digits on your password.
  4. Now repeat the method three extra instances with a view to efficiently enter the password.
  5. As soon as the password has been entered, the keypad for the thermostat has been unlocked. Now you can change the settings and changes for the T4 Professional Sequence thermostats.

Unlock Honeywell T6 Professional Sequence Thermostat

If the PIN that was displayed when locking the T6 Professional collection thermostat, you possibly can enter it to unlock the identical thermostat.

How to Unlock Honeywell Pro Series Thermostats
  1. Faucet on the lock icon displayed on the display of the T6 professional.
  2. Now, enter the PIN code.
  3. Your T6 Professional Sequence thermostat has been unlocked.

The best way to Unlock Honeywell Professional Sequence Thermostat when you forgot its PIN

In case you’ve got forgotten the PIN on your T6 Professional Sequence, you possibly can nonetheless unlock it. Listed below are the steps that it’s worthwhile to fastidiously comply with to unlock the thermostat.

  1. First, take away the T6 Professional collection thermostat from the wall.
  2. Take away the again plate from the thermostat.
  3. On the again, try to be seeing some textual content. Ans on the high proper nook, you can see 4 digits.
  4. Observe the digits printed and add them to 1234.
  5. The sum of 1234 and the printed digits would be the PIN on your T6 professional collection thermostat.
  6. After getting famous it down, join the thermostat again to the wall and faucet the lock icon.
  7. Now, enter the PIN from the sum of each numbers.
  8. Your T6 Professional Sequence thermostat has now been unlocked.


That is how one can lock in addition to unlock Honeywell T4 Professional and T6 Professional collection thermostats. Having these gadgets locked is at all times good because it helps to control the temperatures in your home with out it consistently altering on a regular basis. Plus, it prevents youngsters from messing with the settings. In case you’ve got any points along with your thermostat, you possibly can follow this guide to learn to reset any of your Honeywell Professional or non-Professional collection thermostats simply.

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