LX Programmable Thermostat (088L5130): To unlock the child lock:
Press the OK button to activate the menu.
Then press and hold the Up and Down buttons simultaneously
for three seconds.
LX Touch/WIFI Touch Thermostat (088L5136, 088L5140): To unlock the child lock:
Tap the screen to activate it. Three circles containing dots will be displayed on the screen.
Draw an “L” on the screen in a single stroke without lifting your finger from the screen. Start by touching the dot in the upper left corner, then slide your finger downwards to the dot in the lower left corner, and continue sliding your finger to the dot in the circle in the lower right corner - forming the letter 'L'. If done correctly- the home screen will appear.
Note: The child lock will be reactivated when the thermostat returns to screen saver mode unless it is deactivated under: Menu>User Settings>Child Lock.