Bosch hob Unlock child lock

For the Candy CH642B cooktop:
LOCKING BUTTON OPERATION
The locking function prevents the children from starting the hob. It is also used for cleaning the control strip as the controls can be locked without the hob being on.
To lock the hob :
- Press the on/off button
- Press simultaneously " - " button and " + " button of the front right zone (CH 633 front left zone), and then press again on the " + " button of this zone.
When the hob is locked, the locking indicator " L " is displayed on all zones for 20 seconds.

To unlock the hob :
- Press the on/off button. The locking indicator " L " is displayed on all zones.
- Press simultaneously the " - " button and the " + " button of the front right zone (CH 633 front left zone), and then press again on the " - " button of this zone. The hob is unlocked.

I expect you have found the solution by now since this post is so old - but for any other that are searching, just push the child lock knob down and turn the knob and it should pop back up, turning the gas back on.

Had the same problem, manual says switch on and press + and - buttons at same time then press - to cancel child lock. Kept trying but no luck. Tried same thing with a pan on the hob that I was pressing + key and it worked.

get the model number if a cooktop will be underneatth on sticker.... go to kitchaid.com and locate thier manuals and literature section where u can download a copy or print one out.... hope this helps

safety lock is on. How can I release safety lock?

Try - set all hotplates to setting 2. Switch off jot plates one after another starting with front right in clockwise direction, touch main switch for at least 5 seconds & a signal will sound - this activates & de-activates the child lock - or so the instructions say...

To use the hob with the child lock on - it says to press the main switch for more than 4 seconds & that lets you use it.

hi gud day,all hob is almost the same to use,if touch control ur unit,put ur tumb wer the place sign of child lock & off sign..tnx

It is child lock.

Turn cooker on, press two + at front of oven, this will then take it off for that cooking session.

To turn child lock off switch on hob, and touch - for 5 seconds.

gud day,not all models of ceramic hob have a child lock,check it 1st ur unit if have it,if we have,touch the circle w/sign of key to lock the ceramic for ur child,to unlock touch again.u see the ligth red is on it means the lock is in ON.easy to unlock even ur child by touching the key sign,for ur safety to not use ur unit,unplug the unit if it not use.

hold down powerboot for 4 seconds to switch off child lock