Knobs of my stove LG look like hell - LG Kitchen Ranges

https://lgparts.com/products/lsg4513st
https://www.appliancepartspros.com/parts-for-lg-lsg4513st.html
https://www.genuinereplacementparts.com/index.php?cPath=729608

It appears that the circuit board behind the knobs has failed.

I shouldn't be like this, but what the hell are you doing messing around with something you don't understand and could kill someone!!??

You didn't say whether you have a gas or electric oven, or oven & stove. I'll assume you have a stove, just to cover all bases.

First, you should shut down the oven: a gas stove will have a valve on the gas line behind the stove. The valve will either have a red handle or a flat stem that usually has a hole in it. Turn either valve 1/4 turn to shut off gas, use a wrench on the flat stem. An electric stove should be shut off by flipping off the double circuit breaker for it in your electric panel. Do not unplug an electric stove when it is on; this can damage the plug &/or electrocute you.

Most likely the inside of the knob has stripped out. Look at the knob for a hole that has a setscrew in it: a small allen wrench or screwdriver will loosen the setscrew, most knobs don't have them and will pull off. Be careful to use even pressure on two sides of the knob; if you can't pull it off, use two butter knives or flat screw drivers to pry it up enough to get a grip on it.

Look at the center stem on the back of the knob, it will likely be cracked or stripped. Some stems have a D-shaped metal insert that strips out inside the plastic stem. If you have one, pull off a burner knob and compare the stems in the back, if they are the same size, put the burner knob on the shaft for the oven control, and use that knob to turn the oven control off.

If the burner knob won't fit, use your fingers or a pair of pliers (gently) to turn off the oven control shaft. If the shaft stops normally, you can turn the stove back on using either the gas valve or the circuit breaker. If you have a gas stove that doesn't have electric ignition (a clicking noise when you turn on a burner) you may need to re-light the pilots for the burners. Lift the covers off the burners to re-light the pilots.

If you have succeeded in turning off the oven, you need a new knob -- you can get one at an appliance parts store or maybe a hardware store. If the oven control did not turn off normally, I would leave the oven/stove turned off: the control itself will need to be replaced by a qualified repair person.

What is the model number of your unit?

I'm way too late with an answer here, but I'll add it anyway in case someone finds this page later on. The AEZ72909002 part is not for the LRG30355/LRG30357 series of LG gas ranges, but for the LRG 3095/3097 series. The only explanation I can imagine for LG reversing the knob insertion profile, is to force their LRG30355/30357 customers into expensive repeated replacements.

Last time I bought replacement knobs (LG) from amazon. Take a look here Amazon com LRG30357ST knob. I hope this was helpful. cheers

I have the same problem. I have gone thru 2 sets of knobs for my LG Gas Stove. Even when I put JB Weld inside the knob to hold it together the knobs only last for 7-8 months of use. I am looking for a universal know with the same stem configuration to slip onto the shaft of the LG stove. It looks like a D

I have the same model stove for sale. here is my number 678-644-2161 samantha

it sounds like it burnt one of your main wires in the back of range. by turning a knob on you are getting a feed back. turn the power off remove back panel take a visual check of your wiring.