LG WM3600HWA how to clean the drain pump filter
When the washer drains slowly, shows OE or rattles with small objects in the pump, and periodically.
You need
- Bucket
Steps
- Turn off the washer and unplug the power cord.
Opening the drain filter will result in water overflowing if there is water in the drum. Use a bucket if the drum is not completely drained before you open the drain filter.
Marked WARNING by the manufacturer Source: Maintenance: Cleaning the Drain Pump Filter, p. 39
- Open the drain pump filter cover.
- Unclip the drain hose, remove its plug and let the remaining water drain into a bucket.
- Twist the pump filter counterclockwise and remove it.
Drawing based on the figure in Owner's Manual, Washing Machine WM3600H*A, revision Rev.04, section Cleaning the Drain Pump Filter, p. 39. Not a photograph. - Clean the pump filter and its opening.
- Put the plug back on the drain hose and clip the hose in place.
Using the washer without the drain filter or with an incorrectly assembled drain filter may cause leaks or malfunction of the washer.
Marked WARNING by the manufacturer Source: Maintenance: Cleaning the Drain Pump Filter, p. 39
- Insert the pump filter and twist it clockwise.
- Close the drain pump filter cover.
Source: Maintenance: Cleaning the Drain Pump Filter Source: Maintenance: Cleaning the Drain Pump Filter, pp. 39-40
Used for
- OE: The washer cannot drain.
- Water does not drain or drains slowly
Other WM3600HWA procedures
- How to clean the water inlet filtersWhen IE appears, the washer fills poorly, or the water is hard.
- How to run the Tub Clean cycleWhen tCL blinks, once a month, and once a week for three weeks if a musty smell is already present.
- How to clean the door sealOnce a month, to prevent build-up of dirt.
- How to level the washerWhen the washer vibrates, rocks or is noisy during spin.
- How to thaw frozen water inlet hosesWhen FF appears and the inlet hoses are frozen.
- How to thaw a frozen drain hoseWhen FF appears and the drain hose is frozen.
Sources
- Owner's Manual, Washing Machine WM3600H*A. LG Electronics Inc. Document MFL70701250, revision Rev.04, 2026-01-23, 60 pages, en-US. gscs-b2c.lge.com. Listed on the manufacturer's support page. Retrieved 12 November 2026.
- Owner's Manual, Washing Machine WM4200H*A / WM4100H*A. LG Electronics Inc. Document MFL71728905, revision Rev.05, 2025-11-20, 60 pages, en-US. gscs-b2c.lge.com. Listed on the manufacturer's support page. Retrieved 12 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.