E21

Drainage Problem During Wash

Description

The machine failed to drain water within the specified time during the wash cycle. This is different from the E20 error which can occur at any time.

Appliance Error Codes Details

Error Code
E21
Error Name
Drainage Problem During Wash
Appliance Type
washing_machine
Brand
AEG
Severity
medium

Possible Causes

  • Water supply issues
  • Drain blockage or pump failure
  • Control board malfunction
  • Sensor failure
  • Mechanical component wear

Step-by-Step Solution

  1. 1. Check power supply and reset if needed
  2. 2. Inspect water supply and drainage
  3. 3. Clean filters and check for blockages
  4. 4. Verify proper loading and detergent usage
  5. 5. Test cycle settings and controls

Additional Troubleshooting

1. Check the drain filter for blockages.
2. Ensure the drain hose is not kinked or positioned too high.
3. Check the drain pump for foreign objects.
4. If the issue persists, the drain pump may be faulty.

When to Call Service

  • Call service for electrical or control board issues
  • Professional diagnosis needed for mechanical failures
  • Water level or pressure sensor replacements require expertise

Prevention Tips

  • Clean water inlet filters monthly
  • Use appropriate detergent amounts
  • Check hoses annually for wear
  • Balance loads properly
  • Schedule annual maintenance

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Fact-checking completed

Verified by: Pavel Volkov
Created:
Last updated:
Information verified against official sources

Official Sources

Official Manufacturer Service Manuals

Service manuals and technical documentation from appliance manufacturers

Original equipment manufacturers official documentation

Industry Standards Organizations

International standards for electrical appliances and error codes

International Electrotechnical Commission standards