Electrolux Washer Error Code E21: How to Fix It
Medium 30-60 minutes Medium Severity
Verified June 2026
- Error Code
- E21
- Brand
- Electrolux
- Product Type
- washer
- Severity
- Medium
- DIY Difficulty
- Medium
- Estimated Fix Time
- 30-60 minutes
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Tools You'll Need
- Towels
- Shallow pan or bucket
- Phillips screwdriver
- Pliers
- Old toothbrush
- Plumbing snake (if needed)
How to Fix Error Code E21
-
Unplug the washer and prepare workspace
Always unplug electrical appliances before performing any maintenance to prevent electric shock. -
Check and clean the drain filter
Water will drain out when you remove the filter. Have a shallow pan and towels ready to catch the water. -
Inspect the drain hose
-
Check the standpipe and drain pipe
-
Test the drain pump
Take a photo of wire connections before disconnecting anything to ensure proper reassembly. -
Run a test cycle
-
Reset the error code
Parts You May Need
Drain pump
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Drain hose
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Drain filter
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Drain pump
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Drain hose
Check Price on Amazon
Drain filter
Check Price on Amazon
Drain pump
Check Price on Amazon
Drain hose
Check Price on Amazon
Drain filter
Check Price on Amazon
Drain pump
Check Price on Amazon
Drain hose
Check Price on Amazon
Drain filter
Check Price on Amazon
Drain pump
Check Price on Amazon
Drain hose
Check Price on Amazon
Drain filter
Check Price on Amazon
Drain pump
Check Price on Amazon
Drain hose
Check Price on Amazon
Drain filter
Check Price on Amazon
Drain pump
Check Price on Amazon
Drain hose
Check Price on Amazon
Drain filter
Check Price on Amazon
Drain pump
Check Price on Amazon
Drain hose
Check Price on Amazon
Drain filter
Check Price on Amazon
Drain pump
Check Price on Amazon
Drain hose
Check Price on Amazon
Drain filter
Check Price on Amazon
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When to Call a Professional
Contact a professional if the drain pump needs replacement, if you're uncomfortable working with electrical connections, or if the blockage is in your home's main drain line. Also call for help if the error persists after completing all troubleshooting steps.Frequently Asked Questions
What causes Electrolux washer error code E21?
Error code E21 is caused by drainage problems including clogged drain filters, blocked drain hoses, kinked drainage lines, faulty drain pumps, or blockages in your home's plumbing system preventing proper water removal.
How often should I clean my Electrolux washer drain filter?
Clean the drain filter every 1-2 months or whenever you notice slower drainage. Homes with hard water or heavy soil loads may need more frequent cleaning to prevent E21 errors.
Can I use my Electrolux washer with error code E21?
No, do not use the washer when error code E21 appears. The machine cannot properly drain water, which can lead to flooding, mold growth, and potential damage to the washer's internal components.
Why does my Electrolux washer keep getting error E21?
Recurring E21 errors often indicate inadequate drainage maintenance, using too much detergent causing excessive suds, overloading the machine, or an aging drain pump that needs replacement.
How much does it cost to fix Electrolux washer error E21?
DIY fixes like cleaning filters and clearing hoses cost nothing. Professional drain cleaning costs $100-200. If the drain pump needs replacement, expect $150-300 including parts and labor.