Dishwasher High Severity
E16 Appliance Error Code

Bosch Dishwasher E16 Error: Unexpected Water Fill

What Does Bosch Dishwasher Error Code E16 Mean? Error code E16 on a Bosch dishwasher means the machine has detected water entering the tub when it should not be. This typically indicates a stuck-open water inlet valve — a potentially serious issue that can lead to overflow and water damage if not addressed promptly. Common […]

Quick Assessment

Answer to continue safely

Is it safe to keep using?

No. Do not use the dishwasher with E16 active. A stuck inlet valve can cause flooding.

Can I reset the code?

No. E16 indicates a hardware fault. Resetting may clear the display temporarily, but the valve will continue to leak.

When to stop immediately?

Stop if you notice: Water accumulates in the tub when no cycle is running, You hear water flowing when the dishwasher is off.

Symptoms You May Notice

Water fills when dishwasher is off

You find water accumulated in the tub even though no cycle has been started.

Continuous water running sound

Water can be heard flowing into the dishwasher when it should be idle.

Overfilling during a cycle

Water level rises above normal during wash, potentially reaching the door seal.

Possible Causes

1

Stuck inlet valve

The water inlet valve solenoid is stuck in the open position, allowing continuous water flow.

Requires Professional
2

Faulty control board

The control board is sending a constant signal to the inlet valve to remain open.

Requires Professional

Safe Checks You Can Do

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

    Turn off the water supply

    Immediately close the shutoff valve under the sink to stop water from entering the dishwasher.

    This prevents potential overflow and water damage.

  2. 2

    Drain excess water

    Run a drain-only cycle or manually remove excess water from the tub with a cup and towels.

    Press and hold the Drain button if your model has one.

When to Call a Professional

Contact a qualified technician if:

  • Inlet valve remains open with no control signal
  • Water enters tub with the dishwasher powered off
  • Control board diagnostic shows valve circuit fault

Need Professional Help?

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

Dishwasher Repair Service Schedule Appointment