How do you clear child lock on lg dryer? - LG WD-1280FHD Front Load Washer

CL is 'Child Lock'.

A CL code or CHILD/CONTROL LOCK reading on the dryer's display is not actually an error code, but rather an indication that the Child/Control Lock feature is active. For most models, press and hold the key labeled CHILD LOCK (secondary function) for 3 seconds to disable the Child Lock feature.
Oct 19, 2021

Help library: Error Codes - Laundry Dryer ' LG Canada

Please always include FULL 'make model (what is is)' as the first three words. It helps us to help you and is good for search and housekeeping.

..

lc is of Child Lock and can be set by squeezing the PRE-WASH(*CHILD LOCK) or
TUB CLEAN(*CHILD LOCK) for 3 seconds
At the point Child lock is set,
To unlock Child Lock system, press the same button again.

Try buying a long handled short bristle cheap artist's brush and gently clean inside the housing. Probably a chunk of lint thinks it's found a new home.

Here is a section of the manual for your microwave on child lock, hope this helps.
"L" - Page 7 Press and hold STOP/CLEAR until " L " appears on the display and a BEEP sound is heard. The CHILD LOCK is now set. The time will disappear on the display . To cancel CHILD LOCK press and hold STOP/CLEAR until " L " disappears. You will hear a BEEP when it's released. If any button is pressed, "L" will appear on the display Your oven has a safety feature that prevents accidental running of the oven. Once the child lock is set, you will be unable to use any functions and no cooking can take place. However your child can still open the oven door. Press STOP/CLEAR. Child Lock 7

Is child lock on?

This information is from the manual:
Child Lock can be used to prevent your children from changing options on control panel while the dryer is running. When child lock is enabled, all the buttons will be locked and Child Lock glows. To enable Child Lock, Press and Hold OPTION for 3 seconds, A single beep tone is heard and Child Lock is displayed on the status window. To disable child Lock, press and hold OPTION for 3 seconds again.

The Child Lock feature is activated and it can be deactivated by pressing and holding the DRY LEVEL button for 3 seconds or until the CL display is cleared.


Indicate the exact model number of the dryer if the control panel doesn't look like the one shown above or if no button with the small "PRESS & HOLD 3 SEC TO SET CHILD LOCK" (DRY LEVEL) marking is found.

HI!!
Child Lock can be used to prevent your children from undesirable use on control panel while the dryer is running. When Child Lock is enabled, all the button will be locked and Child Lock glows. To lock Child Lock, Press and hold Rack Dry for 3 seconds, A single beep tone is heard and CL is displayed on the status window. To unlock Child Lock, press and hold Rack Dry for 3 seconds again.
Good Luck!! A HELPFUL - 4 THUMBS - rating for this solution would be greatly appreciated. Thank you for using FixYa.

My dryer had this same problem. I cleared it by unplugging the dryer from the wall for 20 seconds and then plugging it back in. After this "reset" of the electronics, it has functioned for 2 days without a problem.