Asko Washer Error Code F23: How to Fix It

Medium 30-60 minutes Medium Severity Verified June 2026
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Error Code
F23
Brand
Asko
Product Type
appliance
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error code F23 on your Asko washer indicates that the foam sensor circuit is open, meaning the sensor is not communicating with the control board. This often happens due to loose wiring, a faulty sensor, or a control board issue. Follow these steps to diagnose and fix the problem.
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Tools You'll Need

How to Fix Error Code F23

  1. Safety First: Unplug the Washer

    Always disconnect power before servicing any appliance.

  2. Access the Foam Sensor

  3. Check Wiring Connections

  4. Test the Foam Sensor Continuity

  5. Inspect Main Control Board

    Be careful when handling the control board; avoid static discharge.

  6. Replace the Foam Sensor

  7. Reassemble and Test

Parts You May Need

Foam sensor
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Foam sensor
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Foam sensor
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Foam sensor
Check Price on Amazon
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When to Call a Professional

If you have tested the wiring and sensor but the error persists, or if you suspect a faulty control board, call a professional appliance technician. Control board repairs often require specialized knowledge and parts.

Frequently Asked Questions

What does error code F23 mean on an Asko washer?
Error F23 indicates the foam sensor circuit is open, meaning the sensor has no continuity. This can be due to a faulty sensor, loose wiring, or a control board issue.
Can I bypass the foam sensor to clear error F23?
No, bypassing the sensor is not recommended as it detects excessive foam that can damage the washer. Properly fix the underlying cause.
How do I reset an Asko washer after error F23?
Unplug the washer for 5 minutes, then plug it back in. This resets the control board. If the error returns, the issue is still present.
Where is the foam sensor located on an Asko washer?
The foam sensor is typically found near the top of the tub or on the side panel, inside the washer. You'll need to remove the top panel to access it.
How much does it cost to fix Asko error F23?
If DIY, a replacement foam sensor costs $20-$40. Professional service can cost $150-$300 including diagnosis and labor.

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