LG Washer Error Code FL

FL on an LG washer stands for door lock failure. The washer attempted to lock the door at the start of a cycle but the control board did not receive confirmation that the lock engaged successfully. The code points to a problem with the door lock switch, the wiring harness connecting it to the board, or in less common cases, the main PCB itself.

No, you should not attempt to run the washer while FL is displayed. The code means the door lock could not be confirmed, and the machine is designed to stop as a safety precaution. Running a front-load washer without a secured door risks water leaking from the door seal and potential injury from a door that opens during a spin cycle.

Repair costs vary depending on the faulty part and whether you hire a technician. A replacement door lock assembly typically costs between $30 and $80 for the part alone. If a technician is needed, expect total costs in the range of $100 to $250 depending on local labor rates and whether additional components like wiring or the PCB need to be addressed.

Some causes of FL are within reach of a confident DIYer. You can inspect the door latch and lock assembly for visible damage, check that all wiring connectors are seated firmly, and test the door lock switch for proper resistance with a multimeter. If the switch tests faulty, replacing the door lock assembly is a straightforward repair. Wiring repairs and main PCB replacement are better suited to technicians with appliance repair experience.

A reset may temporarily clear the FL code, but if the underlying cause is not repaired, the code will return as soon as the washer attempts to lock the door again. To clear FL permanently, the faulty component, whether the door lock switch, a damaged wire, or a misaligned latch, must be identified and corrected.