Bosch Dishwasher Error Code E08: How to Fix It

Easy 20-45 minutes Medium Severity Verified June 2026
Error Code
E08
Brand
Bosch
Product Type
dishwasher
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
20-45 minutes
The Bosch dishwasher error code E08 indicates insufficient water in the tub, typically caused by a stuck float switch that can't detect proper water levels. This error prevents your dishwasher from operating normally and requires checking the water supply and float mechanism.
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Tools You'll Need

How to Fix Error Code E08

  1. Turn Off and Unplug the Dishwasher

    Always disconnect power before servicing any electrical appliance to prevent shock or injury.
  2. Check Water Supply and Faucet

  3. Remove Bottom Dish Rack and Inspect Float

  4. Clean Around the Float Assembly

  5. Test Float Switch Movement

  6. Check Water Inlet Filter

    Water may spill when disconnecting inlet connections. Have towels ready.
  7. Inspect Door Seals and Gaskets

  8. Test the Dishwasher

Parts You May Need

Water inlet filter screen
Check Price on Amazon
Float switch assembly
Check Price on Amazon
Door seal gasket
Check Price on Amazon
Water inlet filter screen
Check Price on Amazon
Float switch assembly
Check Price on Amazon
Door seal gasket
Check Price on Amazon
Water inlet filter screen
Check Price on Amazon
Float switch assembly
Check Price on Amazon
Door seal gasket
Check Price on Amazon
Water inlet filter screen
Check Price on Amazon
Float switch assembly
Check Price on Amazon
Door seal gasket
Check Price on Amazon
Water inlet filter screen
Check Price on Amazon
Float switch assembly
Check Price on Amazon
Door seal gasket
Check Price on Amazon
Water inlet filter screen
Check Price on Amazon
Float switch assembly
Check Price on Amazon
Door seal gasket
Check Price on Amazon
Water inlet filter screen
Check Price on Amazon
Float switch assembly
Check Price on Amazon
Door seal gasket
Check Price on Amazon
Water inlet filter screen
Check Price on Amazon
Float switch assembly
Check Price on Amazon
Door seal gasket
Check Price on Amazon
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When to Call a Professional

Call a professional technician if the float mechanism appears damaged, if the error persists after cleaning, or if you discover leaks in the water supply lines. Also contact a pro if the float switch itself needs replacement, as this requires electrical connections and accessing internal components.

Frequently Asked Questions

What does error code E08 mean on my Bosch dishwasher?
Error E08 indicates insufficient water in the dishwasher tub, usually caused by a stuck float switch that cannot properly detect water levels. This prevents the dishwasher from starting or completing cycles.
Can I still use my Bosch dishwasher with error E08?
No, you should not use the dishwasher with error E08 as it indicates a water level problem that could damage the wash pump or heating element. Fix the issue before running any cycles.
How do I reset my Bosch dishwasher after fixing E08 error?
After fixing the issue, simply close the door and press the Start button. The error should clear automatically if the problem is resolved. Some models may require unplugging for 5 minutes to reset.
Why does my Bosch dishwasher float keep getting stuck?
Float switches commonly stick due to food debris, grease buildup, hard water mineral deposits, or small objects lodged in the float housing. Regular cleaning and proper dish rinsing help prevent this issue.
How much does it cost to fix Bosch dishwasher error E08?
If cleaning resolves the issue, the fix costs nothing. Professional service calls typically range from $100-200. If the float switch needs replacement, parts cost $20-50 plus labor.