What does D80 mean?
The dryer detected that the exhaust vent is about 80% restricted. D90 and D95 indicate more severe blockage.
Common causes
- Lint build-up in the vent
- Crushed or long vent duct
- Blocked outside vent flap
What you can safely check
- Clean the lint filter
- Check the duct behind the dryer for kinks
- Have the full vent cleaned
Safety first. Unplug the appliance (and shut off gas or water where relevant) before inspecting it. Codes and procedures vary by model — check your owner’s manual.
When to call a technician
If the code comes back after these checks, or you see leaks, burning smells or tripped breakers, stop using the dryer and schedule a technician. Our team repairs LG dryers every week.
Frequently Asked Questions
What does LG dryer error code D80 mean?
The dryer detected that the exhaust vent is about 80% restricted. D90 and D95 indicate more severe blockage.
How do I fix LG code D80?
Clean the lint filter. Check the duct behind the dryer for kinks. Have the full vent cleaned.
When should I call a technician?
If the code comes back after these checks, or you see leaks, burning smells or tripped breakers, stop using the dryer and schedule a technician. Our team repairs LG dryers every week.
Other LG dryer codes
Updated Oct 29, 2026