All burners won't ignite when knob turn to LITE

All igniters will spark when you turn on any burner but only the one you have turned on will allow gas through to ignite.

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How to Replace Knobs on Gas Stove Gas Stoves Ovens

How to Fix Knob on Gas Stove DIY Removing Stuck Knob Without breaking switch shaft

(1) Get Naval Jelly (Rust dissolver) and apply on the igniter and than see if everything is fine.
(2) Check the connections from the knob to the burner. Probably have a leak. Replace the wire from the knob to the burner.

Sorry to read about your problem, I hope this helps you out.

your lite tube may be clogged, or take a needle and clean the hole's next to the lite tube on the range grills..
I tried to help you. Please help me and Rate/Vote on my response, thanks and good luck

If you are saying the clicking continues you must move the burner knob past the LITE position.
If it continues clicking with the knob past the LITE position the ignitor switch behind the knob is bad.

In this video You can see how to replace any component on kitchenaid cooktops! I hope it helps. Thanks! How To Repair Whirlpool KitchenAid Stove Cooktop HD 1080

Hi,
Here is a tip that I wrote to give details about why your cooktop will not spark to light the burners..

Cooktop Range Stove spark ignition does not work

heatman101

Is it just one burner knob that does that are all of them? If it is just one then the igniter switch built into the burner knob might be out of alignment or loose. This happens most of the time due to a cracked switch housing(made of plastic). This can also happen if the actual burner knob is cracked and/or loose. If all the burners do this then it is just the way the cooktop works. The best way to get the burners to light is by slowly turning them on until they light and not pay attention to the "light" mark. You might need to turn it just past the "light" mark for the burner to come on.

it is strange that you have no gas and no spark! if you held a match to the burner and turned the burner valve on it would lite di spite a failed ignitor,but for it not to lite, the burner valve[its what the knob attaches too] would have to be blocked[thats rare]or ........i got it .....the knob is broken.thats the only thing the burner valve and the spark ignitor have in common.try a knob from another burner................again.you have spark,because others are working.spark on troubled burner would work if valve blocked at orifice outlet,and if spark failed you would still get gas they work independent of each other,[but in unison].thats why im thinking knob.its the item that works both .when you turn the knob it opens the gas valve and as the gas valve rotates by turning the knob it activates or turns the spark switch so it closes the curcit allowing the electricty to the spark moduel.hey i hope that helps a little. God bless ,tom

Sounds like the switch electric sending unit needs to be Ither cleaned and dry good or replced. It's not hard at all, They are located under the knob switches, you will have to remove the knobs and the top cover, they look like a small square box wit a hole in the middle with two wires on the sides, just unplug the wires and lift the box off the switch rod. cleane them and dry them good and put them back.......that should do it.....Good Luck
Eddie Rentas
Tupper LAke NY