On the entry panel keypad press 99999 and you will see this screen –
Enter the temporary password here then press 
You will see this screen -
Use the 
and 
buttons to select CONFIGURATION and press
Without changing any settings, keep pressing until you see this screen (the number displayed will be the current password) –
Change the PASSWORD by pressing the button below C to delete the current password -
Enter the new password and press
Repeatedly press 
to exit from the programming menus.