RRepairGraph
LG · Dryer · D80

When a technician is needed

The dryer detected an exhaust restriction of about 80 percent.

Diagnostic nodeD80TECHNICIAN
!
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

When a technician is needed for error D80

Qualified help is appropriate when The dryer smells hot or the duct is not safely accessible; D80 returns after the accessible vent path is clear. Do not bypass sensors or energize an opened appliance.

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