Written by
Maya Chen Editorial TeamPublished October 20, 2026
Error codeAdd
ApplianceDryer
Quick answer
LG dryer Add is a steam feeder water supply error. How to fill the feeder and finish the cycle.
Model compatibility: LG reuses codes across series and model years, so Add 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
Steam feeder water supply error; add water to the max line.
An Add message on an LG dryer means add water. It is a water supply error tied to steam cycles: before a steam cycle starts, the steam feeder has to be filled with water up to the max indicator line.
Check the steam feeder
Make sure the feeder is full of water, up to the max line.
Make sure the drawer is completely closed.
Do not use distilled water in the steam feeder drawer.
If Add appears after the cycle has started
Press pause to stop the running cycle for now.
Fill the steam feeder with tap water to the max fill line.
Power the unit off and back on.
Select the steam cycle and press start/pause to finish it.
Related codes
E05 is a problem with the water supply for a steam cycle.
E13 is a drain hose or frozen sump error on hybrid condensing dryers.
LG dryer service in Los Angeles
Call (310) 742-8008 for LG dryer service in Los Angeles if Add keeps coming back. Tell us the code, the model number and that you filled the feeder and restarted. Learn more on LG dryer repair.
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.