LG WM4000HWAOEOE — cause and how to fix it
Error code: OE
The OE error code on your LG washing machine indicates a drain issue.
How to fix WM4000HWA OE
- 1
This usually means the drain pump filter is clogged with lint, coins, or other debris, or the drain hose is kinked or blocked.
- 2
First, unplug the machine.
- 3
Locate the drain pump filter access panel at the bottom front of the washer, remove it, and carefully drain any residual water into a shallow pan.
- 4
Clean out any obstructions from the filter.
- 5
Check the drain hose for kinks or blockages.
- 6
If these steps don't resolve the issue, the drain pump itself may be failing and needs replacement, typically costing around $20-50 for an aftermarket part.
What this repair uses
LG washing machine drain pump filter
Take it out, clean it, and seat it again before you replace it. If the error stays, this is the part to change.
Frequently asked questions
What does LG WM4000HWA OE mean?
The OE error code on your LG washing machine indicates a drain issue.
Is this a hard repair to do myself?
Most of the steps above take 20-40 minutes with basic tools like a screwdriver. If you'd rather not open the unit yourself, contact the official support line below instead.
What part do I need?
You'll need a LG washing machine drain pump filter. Compatible aftermarket parts are widely available on AliExpress and typically cost $8-60 depending on the part.
How do I contact LG support?
LG has 400+ service centers across Korea. Book via the LG ThinQ app for door-to-door repair service without an appointment. Phone: 1544-7777
Official support
LG has 400+ service centers across Korea. Book via the LG ThinQ app for door-to-door repair service without an appointment.
Online support
Open support page →