How do I lock/unlock the screen on my TH6320ZW?

Last updated

The thermostat has 3 settings for the screen lock: Unlocked, Partial Lock, and Full Lock
- Unlocked: All settings are adjustable
- Partial: Setpoint changes are allowed. All other settings are locked
- Full: No changes are allowed
When SCREEN LOCK is active, a “lock” icon will be displayed on the thermostat display

To Lock display
1. Press  “Menu” on the thermostat.
2. Press < or > to cycle through to "Screen Lock," then press Select.
3. Press < or > to select "Partical Lock" or  "Full Lock," then press Select.
4. The password will appear “1234”,then press Select, then confirm to lock device "Yes" or "No".

To Unlock display
1. Press the “LOCK” icon on the thermostat..
2. Press + or - to enter the password, press Select to move to next digitgo to OFF, PART, or ON, and then press Select.
3. After the fourth number has been entered, press Select again.
4. This will unlock the keypad.



Message Resideo


Message us on Twitter for help with our products.

Monday through Friday:
9am to 6pm CDT
Saturday and Sunday:
9am to 5pm CDT

Live Chat with Resideo


Connect with an agent for quick assistance.

Monday through Friday:
9am to 8pm CDT
Saturday and Sunday
9am to 5pm CDT

Call Resideo


Speak directly with an agent for help with our products.