Error Code d80
FlowSense duct blockage 80% — ductwork approximately 80% blocked. Error displayed for 2 hours only.
Moderate
Address soon - your appliance may not work properly
What This Means
Lint buildup in exhaust ductwork; Duct kinked, crushed, or restricted by debris; Vent hood partially blocked
How to Fix
- 1
Do not operate dryer until exhaust system is inspected and cleared
- 2
Check outside dryer vent while dryer is operating to verify strong airflow
- 3
Inspect and clean entire exhaust ductwork from dryer to outside
- 4
Check vent hood for lint buildup or physical damage
- 5
Ensure ductwork is not kinked, crushed, or has excess elbows
- 6
Use rigid metal duct where possible; avoid flexible foil duct
- 7
After cleaning, perform installation check: Power + Low Static + Options, then START/PAUSE
This Error Applies To
LG DLEX6700B Series Dryers (2022) (2022–present)
Related Error Codes
Door open or door switch abnormal. During normal operation displays when door is opened mid-cycle. In test mode indicates door switch fault.
Temperature sensor error 1 — outlet thermistor at blower housing is open or shorted. Displayed during drying cycle or test mode.
Steam water supply error — DC pump AD value is less than 10 in diagnostic test mode.
Steam generator thermistor open or shorted. Displayed only in diagnostic test mode.
FlowSense duct blockage 95% — ductwork approximately 95% blocked. Error displayed for 2 hours only.
Temperature sensor error 2 — outlet thermistor at blower housing is open or shorted. Displayed during drying cycle or test mode.
FlowSense duct blockage 90% — ductwork approximately 90% blocked. Error displayed for 2 hours only.