NEFF B 1624 Serie Mode D'emploi page 72

Permanent lock
Automatic safety
off function
72
Quickly turn the function selector anticlockwise from
0 to "Oven lighting" and back again six times.
"Permanent lock" appears on the display.
The oven cannot be switched on inadvertently or by
unauthorised people (e.g. playing children).
To unlock the oven, turn the function selector
anticlockwise from 0 to "Oven lighting" and back
again three times.
"Permanent lock" disappears from the display.
After being used, the oven is again permanently
locked automatically when the function selector is at
0 for thirty seconds.
To disengage the permanent lock, quickly turn the
function selector anticlockwise from 0 to "Oven
lighting" and back again six times.
"Permanent lock" disappears from the display.
Depending on the settings the oven is switched OFF
automatically after six to thirty hours, and "Automatic
safety OFF" appears on the display.
Safety off will not function if the setting on the
appliance has been changed.
Function selector