LG dryer error D80 – Restricted airflow

The D80 error code on LG dryers indicates that 80% of the airflow is blocked, which can lead to inefficient drying and potential overheating risks.
Causes of the D80 error
- Clogged lint filter
Excess lint buildup restricts airflow.
- Blocked vent hose
Debris or kinks in the vent hose reduce efficiency.
- Obstructed exterior vent
A clogged outside vent prevents hot air from escaping.
- Faulty moisture sensor
If the sensor is malfunctioning, it may give a false reading.
How to fix the D80 error
- Clean the lint filter
Remove and clean it after every load.
- Inspect and unclog the vent hose
Straighten or clear any blockages.
- Check the exterior vent
Remove any buildup from the outside vent.
- Test the moisture sensor
If the problem persists, a technician may need to replace the sensor.
Pro tip
Regularly cleaning the vent system improves efficiency and prevents overheating.
Need expert help? Call Star Appliance Repair at (647)-847-8774 today!
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