Bosch Dishwasher Error Code E29: How to Fix It

Easy 10-20 minutes Medium Severity Verified June 2026
Error Code
E29
Brand
Bosch
Product Type
dishwasher
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
10-20 minutes
The Bosch dishwasher error code E29 means your dishwasher detects that the external water tap is closed or water pressure is too low. This error typically appears when the water supply valve behind or under your sink is turned off, or when the water inlet hose is kinked, preventing water from entering the dishwasher.
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Tools You'll Need

How to Fix Error Code E29

  1. Check the water tap

  2. Inspect the inlet hose

    Unplug the dishwasher before inspecting the hose to avoid electrical shock.
  3. Check water pressure

  4. Clean the inlet filter

    Ensure the tap is off before disconnecting to prevent water damage.
  5. Reset the dishwasher

    Always disconnect power before servicing the appliance.

Parts You May Need

Water inlet valve
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Water inlet valve
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Water inlet valve
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Water inlet valve
Check Price on Amazon
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When to Call a Professional

If the water tap is fully open, the hose is not kinked, the inlet filter is clean, and the error persists, the issue may be a faulty water inlet valve or a control board problem. Call a qualified appliance technician to diagnose and repair internal components.

Frequently Asked Questions

What does error code E29 mean on a Bosch dishwasher?
Error E29 indicates that the external water tap is closed or water supply is insufficient. The dishwasher cannot fill properly.
How do I reset a Bosch dishwasher after E29?
Turn off the water tap, unplug the dishwasher for 30 seconds, then plug it back in. Ensure the water tap is fully open before starting a new cycle.
What if my water tap is already open?
Check if the inlet hose is kinked or the filter screen is clogged. Also verify adequate water pressure at the tap.
Can low water pressure cause E29?
Yes, if water pressure is too low, the dishwasher will show E29. Ensure the tap is fully open and check other faucets for pressure.
Should I replace the water inlet valve myself?
Replacing the inlet valve requires disconnecting water and electrical connections. If you are not comfortable with these steps, it's best to call a technician.