Asko Dishwasher Error Code F12: How to Fix It

Easy 20-45 minutes Medium Severity Verified June 2026
Error Code
F12
Brand
Asko
Product Type
dishwasher
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
20-45 minutes
The F12 error code on your Asko dishwasher indicates a software internal error that has caused the control system to malfunction. This error typically requires a power cycle reset to restore normal operation, though in some cases it may signal a deeper control board issue.
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Tools You'll Need

How to Fix Error Code F12

  1. Turn off and unplug the dishwasher

    Always disconnect power before performing any troubleshooting to prevent electrical shock.
  2. Wait 15 minutes for complete power drain

  3. Restore power and test

  4. Perform a factory reset if error persists

  5. Check for loose connections

    Ensure power is completely disconnected before removing panels or touching internal components.
  6. Test with a short wash cycle

Parts You May Need

Control board assembly
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Wire harness connectors
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Control board assembly
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Wire harness connectors
Check Price on Amazon
Control board assembly
Check Price on Amazon
Wire harness connectors
Check Price on Amazon
Control board assembly
Check Price on Amazon
Wire harness connectors
Check Price on Amazon
Control board assembly
Check Price on Amazon
Wire harness connectors
Check Price on Amazon
Control board assembly
Check Price on Amazon
Wire harness connectors
Check Price on Amazon
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When to Call a Professional

Contact a qualified appliance technician if the F12 error persists after multiple power cycles and factory resets, as this likely indicates a faulty control board that requires professional diagnosis and replacement.

Frequently Asked Questions

What causes F12 error code on Asko dishwashers?
F12 error code is caused by a software internal error in the dishwasher's control system. This can result from power surges, temporary glitches, corrupted software, or a failing control board.
How long should I unplug my Asko dishwasher to reset F12 error?
Unplug your Asko dishwasher for at least 15 minutes to ensure complete power drain and proper system reset. Some technicians recommend waiting up to 30 minutes for stubborn errors.
Can I still use my dishwasher with F12 error code?
No, the F12 error prevents normal operation of your Asko dishwasher. The unit will not start a wash cycle until the error is resolved through power cycling or professional repair.
Is F12 error covered under Asko warranty?
F12 errors related to control board defects are typically covered under Asko's warranty if the dishwasher is still within the warranty period. Check your warranty documentation and contact Asko customer service.
How much does it cost to fix F12 error on Asko dishwasher?
If power cycling doesn't work, professional repair typically costs $150-400 depending on whether the issue requires control board replacement or just software reprogramming.