The security settings on your Honeywell digital thermostat can be used to prevent unauthorized changes to system settings. If you don't want children and other users to adjust previously saved cooling and heating settings, enabling the security lock can prove very useful. Honeywell thermostats also allow you to change the lock settings, and either restrict access to settings completely, or allow partial access to settings. Once enabled, you or any other user must enter a four-digit password in order to make changes.
Step 1
Press the "Menu" button on your Honeywell digital thermostat and press "Security Settings."
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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 thermostat settings completely.
Step 3
Press the "Create Password" option, and then enter the four-digit password you want to use. Once saved, users will be required to enter the password in order to make changes.
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