I’ve worked on dozens of LG WM3400CW machines over the years, and spider arm corrosion is honestly one of the most common failures I see on this model — usually showing up after 5-7 years of use. The aluminum spider arm reacts with detergent residue and moisture, causing it to crack or crumble. Replacing the … Read more
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
I’ve worked on dozens of LG WM3400CW units over the years, and the LE error is one of the most frequent calls I get for this model. In most cases, it comes down to a faulty rotor position sensor or a worn stator assembly causing the motor to lose sync. The good news is this … Read more
