Which part is usually at fault for LG error HS?

The most commonly implicated component is the humidity sensor.

What is the first thing to try for LG error HS?

Wipe the sensor bars below the lint filter with a damp cloth and let them dry fully before the next cycle.

Error HS Degraded US market

HS on a LG dryer usually means: The moisture (humidity) sensor is faulty, extending drying time.

Fix it fast: Clean the moisture sensors. Full ranked steps below.

Manufacturer source Updated Oct 17, 2026 View source

Try these in order. Stop when the code clears.

1 Clean the moisture sensors
Easy
- Wipe the sensor bars below the lint filter with a damp cloth and let them dry fully before the next cycle.
Source

Airflow through the exhaust duct is restricted by roughly eighty percent.

Airflow through the exhaust duct is restricted by roughly ninety percent.

The door is not fully closed or is obstructed. On a LG Dryer, code DE points to the door.

A water-supply problem affected the steam cycle. On a LG Dryer, code E05 points to the water inlet valve.

The drain hose is kinked or clogged, or sump water has frozen on condensing models.

Tub drainage took too long on condensing or steam models. On a LG Dryer, code E21 points to the drain pump.

Have a different code? Look it up instantly.