Asko Washing Machine Error F21

⚡ Quick Answer: The ASKO washing machine error F21 indicates a drain pump failure, often resulting in water not draining properly and the cycle stopping mid-way. This... ✅ DIY Fixable

What Does Error F21 Mean?

The ASKO washing machine error F21 indicates a drain pump failure, often resulting in water not draining properly and the cycle stopping mid-way. This error may cause unusual noises during the drain cycle, signaling a drainage fault where the system does not complete its cycle within the expected time. Common causes include blockages in the drainage system or obstructions in the drain pump and filter.

Common Symptoms:

  • F21 displayed on control panel
  • Water not draining properly
  • Cycle stops mid‑way without completing spin

Possible Causes

  • Drainage system blockage or restriction (medium)
  • Drain pump/filter obstruction or malfunction (medium)

How to Fix Error F21

DIY Fix Check drain hose and filter

  1. Turn off and unplug the washer
  2. Access the drain pump filter (bottom front panel)
  3. Remove and clean any debris
  4. Ensure the drain hose is free of kinks and positioned correctly

Technician Only Inspect/repair drainage components

  1. Remove access panels
  2. Test and inspect drain pump for blockages, wear, or failure
  3. Verify electrical supply to drain pump
  4. Check pressure/water level sensor and associated tubing for faults

Parts needed: Drain pump, Drain hose, Pressure sensor

🛑 When to Call a Pro:
  • If drainage components check normal but F21 persists
  • If there is water leakage or electrical smells

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-20 ohms
part_number ASKO 502202
voltage_rating 120V AC

Common Questions

What does F21 error mean on asko washing machine?

F21 indicates a drain pump failure, leading to improper draining and cycle interruptions.

Can I fix asko washing machine F21 error myself?

Yes, you can check the drain hose and filter for blockages by cleaning them.

How much does it cost to fix F21 error?

Estimated repair costs range from $100 to $300, depending on parts and labor.

When should I call a technician for F21?

Call a technician if the error persists after checking drainage components or if you notice water leakage.

Sources & References

Data last verified: 2026-03-25

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