Miele Washing Machine Error F21

⚡ Quick Answer: The Miele washing machine error F21 indicates a drainage issue, typically showing on the display along with sounds of water not being expelled. This e... ✅ DIY Fixable

What Does Error F21 Mean?

The Miele washing machine error F21 indicates a drainage issue, typically showing on the display along with sounds of water not being expelled. This error often means the washing machine fails to drain properly, leaving water in the drum and halting the cycle before the spin phase. To address this, check for kinks or blockages in the drain hose and clean the drain pump filter if accessible.

Common Symptoms:

  • Code F21 displayed on washer panel
  • Washing machine fails to drain or stops mid cycle
  • Water remains in drum after cycle attempts
  • Cycle halts before spin due to incomplete drain

Possible Causes

  • Drainage system restriction (low)

How to Fix Error F21

DIY Fix Check and Clear Drain Pathway

  1. Turn off and unplug the washing machine.
  2. Check the drain hose at the back for kinks, bends, or blockages.
  3. Access and clean the drain pump filter (if present) of lint and debris.
  4. Run a ‘drain/spin’ program to see if water evacuates.

Technician Only Inspect and Service Drain Components

  1. Test drain pump operation and replace if pump impeller is seized or motor faulty.
  2. Inspect internal drain hose connections for blockages or damage.
  3. Use diagnostic tools to check water level/pressure sensor readings during drain cycle.

Parts needed: drain pump, drain hose, pressure/water level sensor

🛑 When to Call a Pro:
  • If water remains after drain attempts despite clearing hose/filter
  • If drain pump makes unusual noises or does not run at all
  • If machine displays additional error codes simultaneously

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-20 ohms
part_number Miele 6100010
voltage_rating 230V AC

Common Questions

What does F21 error mean on Miele washing machine?

The F21 error indicates a drainage problem, causing water to remain in the drum and halting the washing cycle.

Can I fix Miele washing machine F21 error myself?

Yes, you can check for kinks in the drain hose and clean the drain pump filter to resolve the issue.

How much does it cost to fix F21 error?

The estimated repair cost for the F21 error ranges from ¥10,000 to ¥50,000, depending on parts and labor.

When should I call a technician for F21?

Call a technician if water remains after clearing the hose and filter, if unusual noises come from the drain pump, or if other error codes appear.

Sources & References

Data last verified: 2026-02-11

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