Which part is usually at fault for LG error E12?

The most commonly implicated component is the inlet valve.

What is the first thing to try for LG error E12?

The FE/E04/E12 error indicates a problem with water overfilling. During normal operation, the drain pump is activated to prevent leaks. Additional water may have entered the drum, possibly through the detergent dispenser.

Error E12 Degraded US market

LG Washing Machine Error Code E12

E12 on a LG washing machine usually means: The FE/E04/E12 error indicates a problem with water overfilling. On a LG Washing Machine, code E12 points to the inlet valve.

Fix it fast: Manufacturer troubleshooting steps. Full ranked steps below.

Likely part: inlet valve
Fault type: fill

Manufacturer source Updated Oct 17, 2026 View source

How to fix E12 — ranked steps

Try these in order. Stop when the code clears.

1 Manufacturer troubleshooting steps
DIY
- The FE/E04/E12 error indicates a problem with water overfilling.
- During normal operation, the drain pump is activated to prevent leaks.
- Additional water may have entered the drum, possibly through the detergent dispenser.
Source

Other LG Washing Machine codes

E04Degraded

The FE/E04/E12 error indicates a problem with water overfilling. On a LG Washing Machine, code E04 points to the inlet valve.

E02Stops machine

The [IE,E02,E10] (Water Inlet Error) error occurs if the tub does not fill to an adequate level within a specified period. On a LG Washing Machine, code E02 points to the inlet valve.

E10Stops machine

The [IE,E02,E10] (Water Inlet Error) error occurs if the tub does not fill to an adequate level within a specified period. On a LG Washing Machine, code E10 points to the inlet valve.

AEStops machine

The AE error indicates a problem with a leakage inside the appliance. On a LG Washing Machine, code AE points to the inlet valve.

CEStops machine

An over-current condition was detected in the motor drive circuit.

DEStops machine

The door could not be confirmed locked before the cycle started.