Operation Manual

13
Use the and keys to enter the PIN number set previously in the
advanced menu, then press
OK
. The unit beeps 3 times to confirm that the
thermostat is locked and the following screen is displayed
To unlock the thermostat, press and hold for 3 seconds.
The value is displayed.
Enter the PIN number and press
OK
to confirm.
The unit beeps 3 times to confirm that the thermostat is unlocked.
IMPORTANT
After three failed unlock attempts, no further PIN entry attempts may be
made for 20 seconds.
The message
is displayed.
NOTE
The display lock remains active even if the batteries of the thermostat are
removed and refitted.
Enter the emergency unlock code 513 if you have forgotten the PIN.
After unlocking the unit with the emergency unlock code 513, it is strongly
recommended to access the advanced menu and check and/or modify the
user-defined PIN set previously.