Which part is usually at fault for LG error PS?

The most commonly implicated component is the power cord and terminal block.

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

Check the power-cord installation at the terminal block for reversed white and red wires, reset the breaker, and confirm a 240V connection.

Error PS Stops machine US market

PS on a LG dryer usually means: Improper voltage at the power cord, typically from reversed terminal wiring.

Fix it fast: Correct the terminal wiring. Full ranked steps below.

Manufacturer source Updated Oct 17, 2026 View source

Try these in order. Stop when the code clears.

1 Correct the terminal wiring
Pro only
- Check the power-cord installation at the terminal block for reversed white and red wires, reset the breaker, and confirm a 240V connection.
Source

No current is being sensed at the heater, usually a home wiring or supply issue.

Power to the dryer was interrupted and a reset is required. On a LG Dryer, code PF points to the control board.

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.

Have a different code? Look it up instantly.