Asko Dishwasher Error Code F3: How to Fix It
Medium 45 minutes to 1.5 hours High Severity
Verified June 2026
- Error Code
- F3
- Brand
- Asko
- Product Type
- dishwasher
- Severity
- High
- DIY Difficulty
- Medium
- Estimated Fix Time
- 45 minutes to 1.5 hours
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Tools You'll Need
- Phillips screwdriver
- Flathead screwdriver
- Multimeter
- Needle-nose pliers
- Flashlight or work light
How to Fix Error Code F3
-
Turn off power and water
Always disconnect power before servicing electrical appliances to prevent shock or electrocution -
Remove the bottom dish rack
-
Access the heating element
-
Inspect electrical connections
Do not touch electrical connections with wet hands or while standing in water -
Test the heating element with a multimeter
Ensure power is completely disconnected before using a multimeter on electrical components -
Check the temperature sensor
-
Replace faulty components
Use only manufacturer-approved replacement parts to ensure proper fit and safety -
Reassemble and test
Parts You May Need
Dishwasher heating element
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Temperature sensor
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Wire connectors
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Dishwasher heating element
Check Price on Amazon
Temperature sensor
Check Price on Amazon
Wire connectors
Check Price on Amazon
Dishwasher heating element
Check Price on Amazon
Temperature sensor
Check Price on Amazon
Wire connectors
Check Price on Amazon
Dishwasher heating element
Check Price on Amazon
Temperature sensor
Check Price on Amazon
Wire connectors
Check Price on Amazon
Dishwasher heating element
Check Price on Amazon
Temperature sensor
Check Price on Amazon
Wire connectors
Check Price on Amazon
Dishwasher heating element
Check Price on Amazon
Temperature sensor
Check Price on Amazon
Wire connectors
Check Price on Amazon
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When to Call a Professional
Call a professional if you're uncomfortable working with electrical components, if the dishwasher requires disassembly beyond your comfort level, or if multiple components appear to have failed. Also contact a pro if the error persists after replacing the heating element and temperature sensor.Frequently Asked Questions
What causes F3 error on Asko dishwashers?
F3 error is caused by heating element failure, faulty temperature sensor, loose electrical connections, or mineral buildup affecting the heating system components.
Can I use my Asko dishwasher with F3 error?
You should not use the dishwasher with F3 error as it cannot properly heat water, resulting in poor cleaning performance and potentially unsanitary conditions.
How much does it cost to fix F3 error on Asko dishwasher?
DIY repair typically costs $50-150 for parts. Professional repair ranges from $150-350 including labor, depending on which components need replacement.
How do I prevent F3 error from happening again?
Use dishwasher cleaner monthly to prevent mineral buildup, ensure proper water temperature (120°F), and have your dishwasher serviced annually to maintain heating components.
Is F3 error covered under Asko warranty?
F3 error may be covered under warranty if your dishwasher is within the warranty period and the failure is due to manufacturing defects rather than normal wear or mineral damage.