RRepairGraph
LG · Dryer · D80

Diagnostic overview

The dryer detected an exhaust restriction of about 80 percent.

Diagnostic nodeD80DIAGNOSIS
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Use this as a diagnostic branchConfirm the exact model manual before ordering parts or opening the appliance.

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

GUIDANCE

Diagnostic overview for error D80

Use the sequence meaning → symptoms → accessible checks → stop conditions. For D80, the current manufacturer-sourced summary is: 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.

Safe sequence

  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.

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