plc easy

hi
i have plc moeller easy821dc-tc and i forget password and i tried
many way to get in to it to resets plc to factory defult
thnaks
plz if any thing i can do just tell me

I believe that after 4 incorrect password attempts you are given the option to delete everything which will clear the password but it will also wipe the program. See page 269 of the attached manual.

File size of the pdf was too big to post here so I took a screenshot of the page.