BoschDishwasherCode E15

Bosch Dishwasher E15 Error Code - Water Protection / Leak In Base Pan

E15 triggers when water collects in the bottom safety pan, activating the microswitch float sensor.

Quick diagnosis

What this code is telling you

Most likely trigger

Excessive suds from non-HE detergent

Recommended replacement

Dishwasher Door Gasket / Tub Seal Kit

Diagnostic path

4 ordered checks

Part fit

Exact model number required

Safety first

Before opening the appliance

Unplug the appliance before removing panels or testing internal components. Do not bypass safety switches or live-test high-voltage, gas, refrigerant, or combustion components unless you are qualified to do so.

Read the full safety disclaimer

Root cause

Why the control reported this error

The dishwasher records this code when the control cannot complete or verify the expected wash, fill, drain, or heating condition. Check excessive suds from non-HE detergent first, then rule out leaking door gasket and loose sump tub screws before replacing dishwasher Door Gasket / Tub Seal Kit.

Symptoms

What you may notice

  • ✓Dishwasher pump runs continuously with door open
  • ✓Tap symbol flashes
  • ✓E15 displayed on panel

Possible causes

Check the most likely causes first

  1. 1

    Excessive suds from non-HE detergent

    Start here when it matches your symptoms.

  2. 2

    Leaking door gasket

  3. 3

    Loose sump tub screws

  4. 4

    Hole in water line or drain pump seal

Diagnostic sequence

Work through these checks in order

Stop when you find the fault. Do not perform a step that requires skills or live testing you are not qualified to do.

  1. 1

    Check 1

    Unplug unit, tilt dishwasher forward at 45-degree angle to drain trapped water from lower pan.

  2. 2

    Check 2

    Tighten sump tub mounting screws located inside floor of dishwasher.

  3. 3

    Check 3

    Inspect lower door seal and side gaskets for tears or misalignment.

  4. 4

    Check 4

    Locate and repair source of water drip before restarting cycle.

Replacement part reference

Dishwasher Door Gasket / Tub Seal Kit

Exact OEM part number

Model number required

Fitment note

The exact OEM part number varies by model and production revision. Verify the complete model number before ordering.

Verify the appliance model before ordering.

Manufacturers can use different parts under the same error code across model families and production revisions.

Where do I find my model number? →
Search this replacement part on eBay →

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Common questions

Quick answers for this fault

What should I check first for E15?

Start with excessive suds from non-he detergent. If that checks out, continue through the diagnostic sequence above rather than replacing a part based on the code alone.

Does E15 always mean Dishwasher Door Gasket / Tub Seal Kit is bad?

No. An error code identifies the condition the control detected, not a guaranteed failed part. Confirm the likely causes and wiring first. The exact OEM part number varies by model and production revision. Verify the complete model number before ordering.

When should I stop troubleshooting E15 myself?

Stop if the next step requires live electrical testing, sealed-system work, gas or combustion service, or any procedure outside your training. Unplug the appliance before removing panels or testing internal components. Do not bypass safety switches or live-test high-voltage, gas, refrigerant, or combustion components unless you are qualified to do so.

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