Question about Bosch 30 in. NGP 732 / 736 Gas Cooktop
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!!
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
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
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
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 ;)
Posted on Jan 23, 2010
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
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
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
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
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
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
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
Fantastic, well chuffed the hair dyer worked no problem, many thanks for the advice.
Posted on Jul 27, 2010
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
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
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
My problem was the igniters clicking all the time even when we were not using the hob. After reading some of the stuff above I thought that the problem may not be the igniters but the mechanism under the four control knobs. The was a lot of gunge that needed cleaning under the knobs which I did with paper sheets from a kitchen roll. I then noticed that control mechanism under one of the knobs was stuck in the down position and as soon as I pulled it up the clicking stopped. I then pressed it up and down several times to free it and put the tiniest bit of olive oil on the metal rod that goes into the control knob and it now springs back up as it should and the problem is solved. I'd never though for one minute that the problems could be the control mechanism but thats exactly what it was.
Posted on Jun 27, 2019
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
The hair dryer solution just worked wonderfully for me. Thanks all for the solution. Google Guru is great!!!
Posted on Feb 01, 2015
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
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
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
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
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
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
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
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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