Asko Washer Error Code F21: How to Fix It
Easy 15-30 minutes Medium Severity
Verified June 2026
- Error Code
- F21
- Brand
- Asko
- Product Type
- appliance
- Severity
- Medium
- DIY Difficulty
- Easy
- Estimated Fix Time
- 15-30 minutes
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Tools You'll Need
- Small brush (e.g., toothbrush)
- Silicone-based lubricant
How to Fix Error Code F21
-
Unplug the Washer
Always unplug the appliance before servicing to avoid electrical shock. -
Remove the Detergent Drawer
-
Clean the Drawer and Housing
Avoid using harsh chemicals that could damage plastic parts. -
Check for Obstructions
-
Lubricate Moving Parts
Do not use petroleum-based lubricants; they can damage plastic components. -
Reassemble and Test
Parts You May Need
Detergent dispenser assembly
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Dispenser motor
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Detergent dispenser assembly
Check Price on Amazon
Dispenser motor
Check Price on Amazon
Detergent dispenser assembly
Check Price on Amazon
Dispenser motor
Check Price on Amazon
Detergent dispenser assembly
Check Price on Amazon
Dispenser motor
Check Price on Amazon
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When to Call a Professional
If the error persists after cleaning, the dispenser motor or actuator may be defective. Call a qualified appliance technician to replace the dispenser assembly.Frequently Asked Questions
What does error code F21 mean on an Asko washer?
Error code F21 indicates that the detergent dispenser is stuck or not dispensing properly. It's usually due to a clog or mechanical jam in the drawer.
How do I reset my Asko washer after error F21?
After cleaning the dispenser drawer, unplug the washer for 1 minute, then plug it back in and run a rinse cycle. The error typically clears automatically.
Can I use vinegar to clean the detergent drawer?
Yes, a mixture of warm water and white vinegar can help dissolve detergent residue. Rinse thoroughly afterwards to avoid any vinegar smell.
How often should I clean the detergent dispenser?
Every 1-2 months, or whenever you notice reduced water flow or detergent clumping. Regular cleaning prevents error F21.
Is it safe to run the washer if the drawer is stuck?
No. The washer may not dispense detergent correctly, and attempting to force the drawer can damage the mechanism. Address the issue before running a cycle.