Written by
Maya Chen Editorial TeamPublished September 5, 2026Updated October 20, 2026
Error codeSE
ApplianceWasher
Quick answer
SE is a sensor error on LG front-load washers; a power reset is the first step.
Model compatibility: LG reuses codes across series and model years, so SE may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
A sensor error on a front-load washer.
SE on a front-load LG washer is a sensor error.
Reset
Power the washer down and unplug it.
Let it rest for 10 seconds, then restore power.
Turn it on and restart the wash cycle.
If SE is still there, the unit needs the service of a professional technician.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your LG appliance?
Book a specialist visit for a clear estimate and approval before any repair.