What does E21 mean?
Washer unable to drain within expected time.
Common causes
- Clogged drain pump filter
- Blocked drain hose
- Failed drain pump
- Drain hose too low
Diagnostic & testing steps
- 1. Clean drain pump filter
- 2. Check drain hose for kinks/clogs
- 3. Check drain hose height (18-96 inches)
- 4. Test drain pump motor: 5-8 ohms
- 5. Check pump impeller for debris
Tools required
- Multimeter
- Towels
- Shallow pan
OEM parts & part numbers
Drain Pump, Drain Hose, Pump Filter
Part numbers: 137221600, 137353500
Safety warning
⚠️ Have towels ready when opening filter
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