LG WM3400CW (Front Load) – Drain pump clog Repair Guide

How to Fix TCL self-clean error stuck on LG WM3700HWA (Front Load)

I’ve worked on dozens of LG WM3400CW machines over the years, and drain pump clogs are honestly one of the top three calls I get for this model. Nine times out of ten, the culprit is lint, coins, or small garment debris lodged in the pump filter or impeller. A thorough cleaning of the filter … Read more