Aeg Washing Machine Error E21

⚡ Quick Answer: The AEG washing machine E21 error signifies a drainage fault, indicating that the machine cannot effectively drain water during or after a wash cycle.... ✅ DIY Fixable

What Does Error E21 Mean?

The AEG washing machine E21 error signifies a drainage fault, indicating that the machine cannot effectively drain water during or after a wash cycle. This issue may arise from a blocked or dirty drain pump filter, a kinked or improperly positioned drain hose, or a faulty drain pump. Symptoms include water remaining in the drum after the cycle, the washing cycle halting and displaying E21, and unusual humming or pump noises without drainage.

Common Symptoms:

  • Water remains in drum after cycle
  • Washing cycle stops partway and displays E21
  • Machine may hum or make pump noise without draining

Possible Causes

  • Blocked or dirty drain pump filter (high)
  • Blocked, kinked, or improperly positioned drain hose (high)
  • Faulty or obstructed drain pump (impeller jammed or worn) (medium)

How to Fix Error E21

DIY Fix Check and clean drain filter

  1. Unplug the machine from power.
  2. Open the access panel at the bottom front.
  3. Remove and inspect the drain pump filter for debris.
  4. Clean the filter under running water and reinsert securely.

DIY Fix Inspect and clear drain hose

  1. Turn off and unplug the washer.
  2. Follow the drain hose to check for kinks, bends, or blockages.
  3. Straighten any kinks and flush the hose with water if blocked.
  4. Ensure the hose height and position meet installation guidelines.
  5. Reconnect securely.

Technician Only Test or replace drain pump

  1. Disconnect the appliance from power and water.
  2. Remove rear or bottom access panel to reach the drain pump.
  3. Inspect the pump impeller for damage or foreign object jams.
  4. Test pump operation with a multimeter if available.
  5. Replace the drain pump if defective.

Parts needed: drain pump assembly, pump impeller

🛑 When to Call a Pro:
  • If clearing filter/hose doesn’t resolve the error
  • If drain pump tests faulty or electrical issues suspected
  • If water leaks or unusual noises persist during cycles

Technical Specifications

wattage 30W
component Drain Pump
resistance 20-30 ohms
part_number AEG 1321930001
voltage_rating 230V AC

Common Questions

What does E21 error mean on AEG washing machine?

E21 error indicates a drainage issue where the machine cannot drain water properly, often showing water level errors.

Can I fix AEG washing machine E21 error myself?

Yes, you can check and clean the drain filter and inspect the drain hose for kinks or blockages.

How much does it cost to fix E21 error?

The estimated repair cost for the E21 error ranges from $50 to $150 for parts, plus labor.

When should I call a technician for E21?

Call a technician if cleaning the filter or hose doesn't resolve the error or if you suspect a faulty pump or electrical issues.

Sources & References

Data last verified: 2026-03-13

User Comments (0)

Share your experience or solution below.

Be the first to comment!