LG dryer error codes: full list and what each one means

By Daniel Brooks, Home maintenance writer and appliance troubleshooting specialist based in Charlotte, NC. Reviewed [date — human adds].

Quick answer

LG dryer error codes appear as a letter-and-number combination on the display, most commonly D80, which signals restricted airflow in the exhaust vent. Find your code in the table below for what it means and where to go for the full fix.

How to find your code

The code shows up on the dryer's display panel, usually alongside a chime or beep. Unlike some washer codes, LG's D-series dryer codes are mostly airflow or sensor-related rather than pointing to a mechanical part failure, which is part of why the fix is usually more about clearing a blocked vent than replacing anything. This page covers the dryer only. If your washer is the one showing a code, LG washer error codes is the counterpart hub for that cluster.

Full LG dryer error code table

Code	What it means	Common causes
D80	Restricted airflow, the dryer's sensor detects the exhaust vent is more blocked than normal operation allows	Lint buildup in the vent duct, a crushed or kinked vent hose, an exterior vent cap blocked by debris or a bird or pest nest
D90	A related airflow-restriction code that most manufacturer and repair documentation describes as a more severe blockage than D80, sometimes serious enough that the dryer stops mid-cycle rather than just running less efficiently	Similar causes to D80, typically a longer-neglected or more complete blockage

D90 doesn't have a dedicated walkthrough on this site yet. If that's what your display is showing, the D80 page below still applies since the underlying fix, clearing the vent path, is the same; just treat it with more urgency given the more severe blockage it usually represents. Check your owner's manual for any model-specific distinction.

Why airflow codes matter more than other appliance errors

Unlike most washer error codes, a blocked dryer vent isn't just an inconvenience. The National Fire Protection Association has found that US fire departments respond to an estimated average of nearly 16,000 home fires a year involving clothes dryers and washing machines combined, with dryers responsible for the large majority of those, and that "failure to clean," mostly lint buildup in the vent, is a factor in roughly a third of dryer fires (NFPA research). NFPA recommends a full vent cleaning at least once a year for typical households. A D80 or D90 code is worth treating as a genuine prompt to clear the vent, not just a nuisance to dismiss.

When any LG dryer code means it's time for a technician

Call a technician if the code persists after a full vent cleanout, if the dryer runs noticeably hotter than normal or shuts off mid-cycle repeatedly, or if there's any burning smell. Treat a burning smell as urgent regardless of what step you're on.

Photos for this guide

LG dryer control panel display showing an error code. — Real photo of an LG dryer control panel or display showing an error code (D80 or a generic code both work for this hub image).

FAQ

What's the most common LG dryer error code?

D80, which signals restricted airflow in the exhaust vent, is by far the most common LG dryer code homeowners encounter. It's driven by lint buildup and vent blockage that happens gradually with normal use, not a specific malfunction.

Is a blocked dryer vent actually dangerous, or just an inconvenience?

A blocked vent is a genuine fire risk, not just an efficiency issue. Restricted airflow lets heat and lint build up inside the dryer, and the NFPA lists a failure to clean the vent as a factor in roughly a third of clothes dryer fires. Clearing a D80 code promptly is worth treating as more than a minor annoyance.

How is D90 different from D80 on an LG dryer?

Both relate to restricted airflow, though the exact distinction can vary by model. Most documentation describes D90 as a more severe blockage than D80, sometimes serious enough to stop the dryer mid-cycle. Check LG's official documentation or your owner's manual for the specific meaning on your dryer, since LG doesn't use identical code definitions across every model line.