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LG · Dryer

LG Dryer error D80

The dryer detected an exhaust restriction of about 80 percent.

Error codeD80Also: d80
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Stop and make safeLG lists d80 as a severe exhaust-flow restriction and recommends cleaning the lint filter and checking the home exhaust duct; on some gas dryers d80 can also indicate lack of gas supply.

Coverage: LG dryers with Flow Sense; gas-model interpretation must be confirmed in the exact manual.

What this code usually means

LG lists d80 as a severe exhaust-flow restriction and recommends cleaning the lint filter and checking the home exhaust duct; on some gas dryers d80 can also indicate lack of gas supply.

BrandLG
ApplianceDryer
ConfidenceManufacturer sourced

Safe checks, in order

  1. 1Stop the dryer and unplug it.
  2. 2Clean the lint filter and inspect the accessible rear duct for lint or crushing.
  3. 3Arrange professional vent cleaning if the home duct is restricted.

Common symptoms

  • Long drying times
  • Flow Sense warning
  • Dryer may reduce heat or stop

Possible causes

  • Lint-clogged exhaust duct
  • Crushed or restricted vent
  • On some gas models, insufficient gas supply

Stop and get qualified help when

  • The dryer smells hot or the duct is not safely accessible
  • D80 returns after the accessible vent path is clear
Primary sourceLG USA — dryer error code list ↗Verified 2026-07-17 · manufacturer