The LG DLEY1201* Dryer has some known problems that occur often. Here are some easy to do solutions for the problems or error codes your LG might be giving you.
The duct work is about 90%-95% blocked. This indicates that the house exhaust system is blocked.
Temperature sensor failure, indicating that the thermistor is malfunctioning.
Humidity sensor failure, indicating a malfunction in the humidity detection system.
Electric dryer power cord is not connected correctly, or there is an issue with the house power supply.
The appliance has detected a restriction in the external dryer venting, affecting the exhaust flow.
Reminder to check and clean the lint filter to ensure optimal drying performance.
Child Lock is activated, disabling all buttons except the POWER button to prevent accidental changes.