Self-cleaning ovens are such a great invention—they take all the hard work out of one of the dirtiest, most difficult chores! But what if your LG oven door won’t open after the self-cleaning cycle ends? Our guide walks you through what to do if this happens, and how to prevent it from happening in the future.
We cover all major models of LG Oven in this article, including:
LCG3091ST
LDG3016ST
LRE3023ST
LRE30451SB
LRE30451ST
LRE30451SW
LRE30453ST
LRE30453ST/01
LRE30755SB
LRE30755ST
LRE30755SW
LRE30955ST
LRG30355SB
LRG30355ST
LRG30355SW
LRG30357ST
LRG3081ST
LRG30855ST
LRG3093ST
LRG3095ST
LRG3097ST
First of all, how does a self-cleaning cycle actually work? Using a process called “pyrolytic cleaning,” high temperatures break down food particles, grease, and other residues inside your oven. These temperatures are far hotter than normal cooking temperatures—usually between 800 and 1000°F.
When subjected to these temperatures over a period of two to four hours, any dirt in the oven is turned into a fine ash. After the cycle is finished, the ash can then be wiped away.
As you can imagine, these high temperatures can be extremely dangerous. The air inside is superheated, and opening an oven during a self-cleaning cycle could lead to singed eyelashes and even burns! To prevent injury, LG ovens use an automatic locking mechanism during the self-cleaning cycle.
If you’ve used the self-cleaning function on your oven and it isn’t opening, it could still be in the cool-down period. This keeps the oven lock engaged until the oven cools down to a safe enough temperature. As ovens are very good at holding onto heat, it can take a while for your LG oven to cool down enough to be safe—sometimes up to 90 minutes!
Before you panic, ensure you’ve left your LG oven to cool down for at least 90 minutes. In most cases, your door will unlock without you having to take any further action.
Your LG oven uses a temperature sensor to sense when it has cooled down enough to safely unlock the door. However, if there’s an issue with the sensor, it can cause your oven to stay locked, even when it’s at a safe temperature or completely cooled down.
It’s possible that there’s a fault in your oven’s locking mechanism, and in this case, you’ll need to release your oven door manually. Here’s how to do it!
Although this method is great for getting your oven usable again, it doesn’t solve the issue of what caused the lock in the first place. It’s possible it was just a random, one-time event, but if your lock gets stuck every time you use the self-cleaning cycle, you may need to replace the entire lock mechanism.
The control board is like the computer of your oven—it’s in charge of all the different functions. If there’s an issue with the control board, it will need to be replaced. This is a job for an experienced DIYer, so please only attempt if you have electrical experience!
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