Dishwasher High Severity
E17 Appliance Error Code

Bosch Dishwasher E17 Error: Overfill Detected

What Does Bosch Dishwasher Error Code E17 Mean? Error code E17 indicates the Bosch dishwasher has detected a water overfill condition. The internal float switch has triggered because the water level has exceeded safe limits. This is a serious alert that requires immediate attention to prevent water damage. Common Causes The most common cause is […]

Quick Assessment

Answer to continue safely

Is it safe to keep using?

No. Do not use the dishwasher with an active overfill condition. Risk of kitchen flooding is high.

Can I reset the code?

Yes. After the water drains and the supply valve is closed, a power reset may clear the error. However, the root cause must be fixed before resuming use.

When to stop immediately?

Stop if you notice: Water is at or above the door seal level, Water is leaking from the dishwasher onto the floor.

Symptoms You May Notice

Water level visibly too high in tub

Opening the door reveals water almost reaching the bottom of the door opening.

Drain pump running continuously

The drain pump activates and runs non-stop to reduce the water level.

Potential water overflow from door

Small amounts of water may seep from the bottom of the door onto the floor.

Possible Causes

1

Inlet valve stuck open

The water inlet valve is not closing when signaled, allowing water to continue filling the tub.

Requires Professional
2

Float switch malfunction

The overfill float switch is stuck or defective, either causing false readings or failing to detect actual overfill conditions early.

Requires Professional
3

Drain line restriction

A partial drain blockage prevents water from exiting at the same rate it enters.

DIY Possible

Safe Checks You Can Do

These checks are safe for homeowners. No disassembly required. Do not remove panels or access internal components.
  1. 1

    Close the water supply valve

    Turn off the water supply under the sink immediately.

    This is the first priority to stop the overfill condition.

  2. 2

    Check the drain hose

    Inspect the drain hose for kinks or blockages. Ensure it connects properly to the garbage disposal or drain tailpiece.

    If connected to a garbage disposal, ensure the knockout plug has been removed.

  3. 3

    Let the pump drain

    With water supply off, allow the drain pump to run until the tub is empty. Then power-cycle the dishwasher.

    The pump may need several minutes to fully drain the overfilled tub.

When to Call a Professional

Contact a qualified technician if:

  • Inlet valve does not close when power is removed
  • Float switch does not move freely
  • Error returns after draining and resetting

Need Professional Help?

Find qualified technicians in your area for proper diagnostics and repair.

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