LG WM4000HBA washer not draining
A source-backed drain checklist for the LG WM4000HBA washer, centered on the drain hose, drain pump filter, and OE error path.
Difficulty: Basic
Source integrity
Troubleshooting source proof
This guide stays tied to review status, source manuals, source URLs, text exports, manual catalogs, and ordered troubleshooting steps.
1Guide index status1Source manuals1Guide source URL1Original manual URLs1Plain-text exports1Manual JSON catalogs6Checklist steps
- Guide index status
Indexable guides are reviewed for public troubleshooting and structured HowTo output.
- Source manuals
Manual records attached to this troubleshooting checklist.
- Guide source URL
The guide keeps its direct support or source-host URL when available.
- Original manual URLs
Attached manuals retaining manufacturer or source-host URLs.
- Plain-text exports
Attached manuals with public text exports for citation and search workflows.
- Manual JSON catalogs
Attached manuals expose machine-readable catalogs with sections, questions, and coverage.
- Checklist steps
Source-backed troubleshooting steps preserved as an ordered checklist.
Troubleshooting support map
Continue from this checklist into source manuals, model support, codes, answers, and part references.
- Checklist
6 steps
Work through the source-backed checklist before escalating to parts, service, or replacement.
- Source
1 manual source
Open the source manual records behind this guide, including downloads and extracted source sections.
- Model
WM4000HBA support hub
Continue to all manuals, answers, codes, symptoms, parts, and source evidence for this model.
- Codes
1 code
Check related error-code pages when the guide mentions a display code, light pattern, or diagnostic state.
- Answers
6 answers
Use related Q&A when the troubleshooting path depends on a specific manual fact or setting.
- Parts
1 part reference
Check model-linked part references only after the checklist points toward a component.
Tools
- Towel
- Shallow pan
- Small brush
Step checklist
Use these checks in order, then confirm model-specific details in the source manual before parts or service work.
- Step 1
Pause the cycle and turn the washer off before opening the drain pump access area.
- Step 2
Drain remaining water through the small drain hose into a shallow pan.
- Step 3
Remove the drain pump filter, clear debris, and reinstall it fully.
- Step 4
Check the drain hose for kinks, clogs, height problems, or being pushed too far into the standpipe.
- Step 5
Run a rinse/spin or short test cycle and watch for an OE error.
- Step 6
If OE returns after these checks, use LG support or schedule service.
Source trail
LG Washer OE Error Code support page; LG WM4000HBA Owner's Manual, pages 48-49 and 55-56
- Index status
- indexable
- Difficulty
- Basic
- Source manuals
- LG WM4000HBA Owner's Manual
- Model
- WM4000HBA