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LG · Dryer · D80

Door-switch checks

The dryer detected an exhaust restriction of about 80 percent.

Diagnostic nodeD80DOOR-SWITCH
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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

Door-switch checks for error D80

Door-switch checks can help narrow the context of LG D80, but this page does not claim that the named system is the failed component. Begin with the manufacturer meaning — The dryer detected an exhaust restriction of about 80 percent. — then complete only accessible checks: Stop the dryer and unplug it.; Clean the lint filter and inspect the accessible rear duct for lint or crushing.; Arrange professional vent cleaning if the home duct is restricted..

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