Question about Bosch 30 in. NGP 732 / 736 Gas Cooktop

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Gas Hob constant ignition clicking

I have a Hygena Gas Hob, over 4 years old, always worked ok if lit by a match but the ignition button has never worked. Not sure of the model as it was in the kitchen when I bought the house. I put some stuff on top of the cooker earlier and it must have been sat on the ignition button. Now it won't stop clicking and sparking on all 4 burners. I've tried lighting them and the sparking/clicking continues..it only stops when I switch the cooker off at the wall, but then starts as soon as I switch it back on. I don't know anything about gas/electric and can't afford to call someone out...please someone help!!

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  • Anonymous Aug 09, 2008

    ignition button will not stop clicking so turn off the elelctricity. jave tried cleaning around it because I cannot remove it.

  • Anonymous Apr 25, 2009

    Cooker hob ignition constant clicking.

  • maggyhester Apr 25, 2009

    Gas hob............ ignition wont stop clicking. It dosn't appear to be stuck down,and I have tried WD40. Realise that swithching off at the wall is a tempory solution but I am after a proper one.

  • Anonymous May 04, 2009

    I have the same problem, only it was my husband who used too much water, yep he cleaned the cooker on a bank holiday as well, how fantastic. Hair dryer is out as we speak....

  • kitty_clare May 17, 2009

    Thanks it seems to have done the trick, good old hairdryer. I was really worried I would need a new cooker. now my hairdryer keeps overheating and cutting out so I need to keep going back to it. I may never clean the cooker again!!

  • Paola Renucci Dec 03, 2012

    Amazing. Had the clicking problem on my Whirlpool hob. Read all these posts, got the hair dryer out and it worked!

  • leanne161
    leanne161 Apr 06, 2013

    Thank you so much for the answer to this problem. When it started it caused my gran to freak out. I googled the problem, ended up here and in a matter of minutes the problem was solved.

  • Anonymous Mar 13, 2014

    gas ignition spark wont stop clicking on 2 ring gas hob

  • Anonymous Mar 25, 2014

    the gas hob ring clicks but will not light other 3 work

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23 Answers

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Had the same problem. All five burners were continuously igniting, after my wife had given the stove a clean. Turned off the power, removed the five knobs and corresponding rubber rings, and used a hair dryer on the five holes where the knobs were for about ten minutes in total. Hey presto, when I turned the power back on, the constant igniting had stopped. Thank you all. I love the internet :-)

Posted on Jan 06, 2008

  • Thien Le Jan 30, 2013

    It is really an excellent website. Internet is fantastic. I had a little bit different problem. I could not ignite all my five burners. After reading your problem and solution. I went back to my kitchen and looked for the switch to turn off for cleaning the five knobs with a hair dryer. I found out that the switch was turn off by mistake, I have placed some pans and pots too near the switch and it was turned off by my movement of my kitchenware pieces. I turned on the switch and the problem was sold. Thank you internet and thank you very much for all your sharing.

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Hi
I had similar problem today and got great help from this forum. I immediately realised in the begining that this is a problem with moisture/water content. I live in a rented apartment and could not find the exact location of switch for the power supply to the knob.
When i saw the post, i need to do something to remove this moisture. I could not find something to heat and tried to use vaccum cleaner to remove some moisture. But did not work.
And what a surprise...exactly similar to above story, my wife said..we can use her hair dryer. So i used it and problem solved withing 10 mins.
Thanks for sharing problems. I was in also in dilemma in the begining and scary thoughts of lot of money to repair this problem were just arising in my mind.

Posted on Dec 24, 2007

  • DerekMorr861 Aug 14, 2011

    Had the same problems as below. All 4 burners were igniting as soon as I turned on the power. My wife had split some milk over the hob so I stripped the hob as below and seen all the dryed up milk. So I gave it a good clean and put a little bit of WD40 on the igniters and pushed them in and out a few times and it was sorted. Thanks to you all for the help and hopefully this will maybe help someone in the future.

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We had the exact same problem with our 5-burner Thermador clicking continuously (until power unplugged).  And this also occured after an over-zealous cleaning.  I tried cleaning carefully around the burners, and ignitors carefully, but nothing would help. 
Even after 24 hours, plugging in the power would start the clicking again immediately.  My wife admitted she had maybe used too much water, so we guessed it was a moisture problem below the cooktop surface.  I removed the control knows, and carefully pried up the protective ring below each knob so I could see the controls below.  I cleaned off the obvious crud around the controls, and then put a small ceramic fan heater over two of the holes, and turned it on high.  Hot air blowing back out the other 3 holes.
After about 20-30 minutes of hot air... success!... everything is good now.
Have to give my wife credit for thinking of the heater... I was ready to pull the whole thing out and take it apart.

Posted on Oct 31, 2007

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A HUGE THANKYOU TO ALL OF THE ABOVE POSTS =
We have a Diplomat gas hob and had the exact same problem. I was doing the dishes today and well lets just say a LOT of water was spilled all over the hob. When the hob was switched on at the wall all the iginitions were going crazy, constantly clicking. I kinda new it was a moisture problem after my rather large spillage and went on line to find a solution. BINGO !!!! I found this site. Got my hairdryer and used it on full heat for about 3-5 minutes on each ring knob. The hairdryer theory really does work................Again thankyou for all your posts and now i can eat ;)
xx

Posted on Jan 23, 2010

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We have an older Thermador Gas Cooktop type range. It was working fine until the cleaning crew came in, then all the burner igniters were clicking when turning on a single burner. I solved the problem by cleaning off the igniters. I first of course unplugged the power. Then I took a small wire telcom pic tool to scrape the white and brown deposits from the sides of the igniters. You could probably use something else similiar to do the scraping. I noticed a shiny surface underneath. I then went ahead and scraped and brushed clean the mating surface where the spark travels. I then vacuumed up the mess. My burners all worked great after this. Hope this helps!

Posted on Sep 13, 2007

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When turning on gas oven, igniter lights flame but then continues to click continuously, any ideas??

Posted on Aug 19, 2010

  • muntergather Nov 21, 2010

    seriously what did we do when the internet didnt exist?.... just cleaned my cooker today and had same prob...

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After reading all the above i realised that the problem may not be the igniters and thus cleaning the igniters was possibly a waste of time. Instead i turned my attention to the knobs, ie, the push-down buttons. A hair dryer did not sove the problem. So i followed advice number 4 above and dug deeper. By this time i had taken off all the bits i could including the screws and the top cover. that gave me better access to the knobs. i suspected one was dirty as the rubber washer/cover was loose as it had not been properly installed. i then removed the clip, then a washer/spacer, then the spring and gave the hole a bit of a cleanout. in re-assembling, i noticed there were two washers/spacers, while the other 3 knobs had only one. i reassembled using one washer only. problem solved - no clicking now, everything seems good. the cause was either dirt in the push-down knob assembly or the extra washer/spacer in that asembly. thanks everyone.

Posted on May 08, 2010

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  • Sg1000 Oct 25, 2010

    thank you!!!! Your article gave me the confidence to take hob apart and fix stuck igniter!

  • Shanna Nov 30, 2011

    Thanks so much for commenting. I did the hair dryer thing and it didn''t work so I took the knobs off and cleaned and checked the washer/seals. Then Uh oh...I noticed that one of the knobs was broken on the inside and obviously miissing an important piece. I've order a replacement. :) Thankfully I didn''t get a specialist in to fix what i thought was a faulty electronic ignition.

  • Paul Tricki
    Paul Tricki Nov 06, 2018

    My 2 year old gas hob started clicking incessantly. Like you and many others, I assumed it was an igniter fault. I spent an hour or two faffing about with cotton buds, Isoclean (Isopropanol cleaning fluid), kitchen roll, hairdryer, etc., but all to no avail. The manufacturer said they could send an engineer to fix the fault for £140. Being really mean (!!!) I persevered scouring the Web & discovered your post. Quickly removing one of the control knobs I immediately spotted a 3mm glob of greasy gunge, presumably accumulated gradually during regular cleaning. 10 seconds later … SORTED.

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Confirming the hairdryer solution. Too much spray cleaner got under the knobs. A KitchenAid four burner. Pulled the knobs straight up, pulled up the trim rings and cleaned them, sopped up any visible moisture on the ceramic control body with a paper towel, ran a hairdryer on medium for two or three minutes max. All is well. One extra tip: by turning the burners on one at a time, I discovered that when A was alight, the snapping stopped, but with B C or D alight, the snapping continued. So I figured that control A was the offender and concentrated my dryer on it.

Posted on Nov 20, 2009

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Hi,
Exactly the same this happened to me a couple of days ago. I attacked my Premier glass hob with cillit bang, left the stuff on it to soak and about 5 mins later my cookers were igniting and clicking/snapping left right and centre.
thankfully I found this site. I removed the nozzles and the rubber pieces using a sharp knife and then gave it all a good clean. I then washed and dried thoroughly all the pieces including the knobs. I then used my hair drier on each knob for about 2/3 mins per knob. The clicking continued but was noticeably getting less frequent. About 2 hours later it stopped altogether. I was freaking out because unlike some of the post I read mine did not stop straightaway but eventually it worked.

Posted on Jul 01, 2011

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I have a Siemens hob. We had the same problem. It turned out to that one of the seals underneath one of the knobs had fallen down and some gunk had got in. We cleaned it off with a toothpick and vacumed up the bits, hey presto all is now quiet again.

Posted on Nov 01, 2009

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Hey! Had same problem after spilling some water over the knobs - all four ignitors were going off whenever the power was on..... Just tried the hairdryer trick and also cleaned the ignitors with a cotton bud and it worked. It took about 5 minutes of hairdryer on the one I suspected had the most water and another minute or so on the others. I also pushed the ignitor up and down a few times and saw water coming out of it. Thank you all so much!!! So relieved I don't have to call a technician.

Posted on May 13, 2012

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After reading all the solutions, I too tried the hair dryer on our Siemens hob. We had steamed some food and after 30 minutes started clicking on all the spark ignitions. Turned off the pwer on the electrics and cleaned the ceramic sparks dried it for 5 minutes on all 6 ceramics and voila!!!! it worked!!!
Thanks for all the posts.

Posted on May 03, 2010

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Fantastic, well chuffed the hair dyer worked no problem, many thanks for the advice.
becky

Posted on Jul 27, 2010

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I had the same problem with my Belling hob last night. I tried the above solutions, i.e. hair dryer, hoover, but they failed to work. The next morning the igniters were still clicking. I turned the oven itself on, and left it on high for about 10 minutes. The heat from this did dry out the moisture on all the burners and solved the problem. The problem was caused by over-zealous cleaning of the hob, and water getting in the igniters.

Posted on Oct 13, 2011

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The hairdryer solution didn't work for me as the root cause wasn't too much water/detergent being used. The ignition had been going on for days and holding the hairdryer for 30 mins even didn't work.

Then read one of the posts above about cleaning around the knobs. Dismantled the knobs, took out the washers, used cotton earbuds to clean the grease inside and underneath the knobs.

Job done! Brilliant!!!

Posted on Dec 07, 2010

  • tonykenley Feb 17, 2011

    Thanks all for the hairdryer advice. Had a separate ignition button on our Creda hob which wouldn't stop clicking after our over-exuberant cleaner had worked on it! Switched off power supply, removed knob and used dryer on it for about 10 minutes. That did the trick!

  • Paola Renucci Dec 03, 2012

    Have a whirpool, could not believe the useful info on this site. The

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Thanks all for the hairdryer advice. Had a separate ignition button on our Creda hob which wouldn't stop clicking after our over-exuberant cleaner had worked on it! Switched off power supply, removed knob and used dryer on it for about 10 minutes. That did the trick!

Posted on Feb 17, 2011

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Thank you so much. I have spent my evening panicking that I’d need an emergency electrician to come out but about 15 mins with the hair drier and a few cotton buds to clean the ignition and it finally stopped clicking! Took a few times with the hair drier and I noticed the clicking slow down initially and now it’s stopped. Crisis averted.

Posted on Nov 12, 2018

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The hair dryer solution just worked wonderfully for me. Thanks all for the solution. Google Guru is great!!!

Posted on Feb 01, 2015

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I have a new smeg hob, and yes I was cleaning when all 4 burners started clicking, I've wiped off all moisture, done the hairdryer thing for over 30 mins....... not worked !! ..... checked all burners ,there clean and dry, checked knobs there the same....... now I've put the oven on as high as it will go....... I've got my fingers crossed!!!!! ...... anyone out there with anymore ideas as I'm running out

Posted on Dec 31, 2013

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I experienced constant igniter clicking with my Prestige Gas Hob. The Hairdryer method did not work. Having removed the 4 control knobs by simply pulling them off I noticed that the small circular plastic rings around the spindles each had a small raised push-button which is meant to move freely up and down. (There must be a small spring underneath). One of these push-buttons was sticky with grime and did not pop back up after being pushed down, hence the constant igniter clicking. I sprayed WD 40 onto the small push-button and used tweezers to move it up and down several times until it sprung back freely and returned to the "up" position of its own accord. The clicking stopped. I pushed the knobs back onto the spindles. Problem solved. A silicon spray would also work but you will certainly need a set of tweezers to free-off the stickyness around the tiny push-button.

Posted on Sep 22, 2013

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Just for those without a hair dryer: the output air of a vacuum cleaner did the job for me (5mins)! In my case it was a IKEA stove (=ignition button) causing the clicking. It helps if you can lift the button a bit while drying so the air-dry is optimized.

Posted on Jun 06, 2013

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Just had the same problem after trying out my new steam cleaner on hob. I was worried it was dangerous so called the cooker mine but no reply so looked on Internet and lo and behold. Put hair dryer on the igniters and then on the actual ignition switch and yay it worked. Thank you very much.

Posted on Jan 12, 2013

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Had a similar problem with a Whirlpool hob. Constant ignition on all burners. Switched the power off, took off the buttons and rubber seals and then simply pushed down on the ignitor 'levers' several times on each on. The one that triggered the problem in the first place felt a bit sticky so probably a bit of grease build up over the years. Didn't need to use a hairdryer, I'll save that for next time.

Posted on Aug 21, 2011

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Posted on Jan 02, 2017

MNfisherman
  • 11896 Answers

SOURCE: Ignition is clicking all the time, whether the gas is lit or not.

The clicking is the igniter. If it is clicking and not lighting, then you may have to purchase an igniter kit and replace it. the relays can go bad, or igniter fails.

Posted on Sep 04, 2009

  • 1 Answer

SOURCE: cooktop's electronic igniter started clicking all by itself

Check to make sure your burner caps are aligned. I had this problem, and it turned out one of my burner caps was slightly askew. Putting it level fixed the problem.

Posted on Mar 09, 2010

  • 1 Answer

SOURCE: creda gas hob now keeps ignighting

the ignitors have got wet usually due to cleaning. they are usually located under the rotating switches just let them dry out ( very well .....may take days) and it will work normally again

Posted on Apr 11, 2009

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