How do I deactify a childproof lock on Siemens washing machie

mens IQ700 Washing Machine Not Working.
Tell me Answer My Siemens IQ700 washing machine does not work

There could be many reasons why your Siemens IQ700 washing machine is not working. Some common issues include a lack of power, a malfunctioning door lock, or a faulty control module. Without more information about the specific problem, it is difficult to provide a definitive answer. I would recommend checking the user manual or contacting Siemens customer support for troubleshooting assistance.

Possibly holding the options button for 5 seconds. (Holding the Start button said not to work.)

https://www.justanswer.com/uk-appliance/5lay7-siemens-16-79-washing-machine-cannot-de-activate.html

According to the online manual for a different model Siemens dryer:

"Press and hold the "Ready in" time button and the drying time button at the same time for 3 seconds to activate or deactivate the childproof lock."

hi krishan.
check this link out might help you get it sorted.
washing machine siemens iq300 door lock but still the door opened signed...

Deactivate child lock siemens washing machine S12-74 ...

www.fixya.com/.../t15773878-deactivate_child_lock_siemens_washing

Jan 10, 2013 - deactivate child lock siemens washing machine S12-74 - SiemensWashing ... -Press and hold the option down touch button for 5 seconds or until you seethe magic message 'Child lock released'. ... I can`t deactivate the childlock ... I CANTDEACTIVATE THE CHILD LOCK AFTER WASHING MY CLOTHES.

How to unlock washing machine door for siemens s12.38 ...

www.fixya.com/.../t11409270-unlock_washing_machine_door_siemens

Cause The childproof lock has been activated.
Resolution Deactivate the childproof lock. Directions can be found in your instruction manual.
The manual for your washer can be fount at at the following website. You will need the E-Nr number in order to get the correct manual. You can find the E-Nr Number on the rating plate of your home appliance.

Set it to the last programme you had it on then press and hold the timer button for about 5 seconds.

IF IT IS LIKE MY 5202 YOU HAVE TO PRESS AND HOLD THE UNLOCK BUTTON FOR LIKE 3 SECONDS. THIS PREVENTS SOMEONE FROM JUST PRESSING THE BUTTON AND ACTIVATING THE LOCK . TRY THE PRESS AND HOLD METHOD AND LET ME KNOW.

Hello mine is a WM14S79BUK but i think it works on most recent models with lcd display.

I have to hold the down button on the option buttons for 5 seconds to activate child lock or unlock

it's worth A TRY

Hope this helps