Miele PG 8593 Operating Instructions Manual page 75

Change the PIN
code
The code consists of a four digit number and is set by the user. Each
digit can be programmed freely between 0 and 9.
 When a new PIN code is entered, the old code is overwritten
and is permanently deleted. Therefore it cannot be reinstated.
If a PIN code is lost, a new code must be issued by Miele Service.
Open the menu as follows:

Button 
 Additional settings
 Code
Change code

Use the arrow buttons  (higher) and  (lower) to enter the relevant

digits.
Confirm each digit individually with the OK button.

When the OK button is pressed, the display jumps automatically to
the next input position. You cannot go back to the previous entry. If a
mistake is made, the process must be cancelled using the  button
and repeated. Entered digits are replaced by a
The PIN code is saved to memory once you have confirmed the last
digit.
Additional settings
PIN-Code
*
symbol.
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