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Error Code

Thermador Dishwasher E02 Error Code

E02 on a Thermador dishwasher is generally linked to a possible water-drainage problem. This guide gives a plain-language overview, the symptoms you might notice, safe checks you can perform, and when it is best to call a technician — with a reminder that exact behavior varies by model.

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Reviewed by Marcus Cole · Last reviewed August 1, 2026

Error guide

Code overview

Marcus Cole Written by Marcus Cole Appliance Repair Content Specialist Published August 1, 2026 Updated August 12, 2026 Technically reviewed August 1, 2026

Content status: Verified

Error code E02
Appliance Dishwasher
Dishwasher service reference
Quick answer

E02 — commonly associated with a drainage issue on a Thermador dishwasher. Meaning can vary by model; verify before relying on it.

Model compatibility: Thermador reuses codes across series and model years, so E02 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.

Plain language

What this code means

On many Thermador dishwasher models, the E02 code is commonly associated with a possible water-drainage problem. The exact meaning can differ between appliance series and model years, so treat this as general guidance and confirm it against your specific model’s documentation before acting.

Signs

Symptoms you may notice

The dishwasher stops mid-cycle and shows E02

Water is left standing in the dishwasher

Draining seems slow, noisy or incomplete

Why it happens

Possible causes

A blocked or dirty filter (on models that have one)

A kinked, clogged or poorly routed drain hose

A restricted drain pump or drain path

Before you call

Safe checks you can make

These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.

Check and clean the accessible filter if your model has one

Check the visible drain hose for kinks or blockages

Confirm the drain or standpipe access is clear

Record the full model number before contacting a technician

Important safety warning. Do not open internal panels, access high-voltage wiring, or bypass any safety device. If you see smoke, sparks, a burning smell, or water near electrical parts, switch the appliance off at the outlet if it is safe to do so and call a professional.

Please avoid

What not to attempt

  • Do not open internal panels or access high-voltage components
  • Do not bypass door locks, safety switches or interlocks
  • Do not keep running the appliance if there is water near electrical parts, a burning smell or sparks
Get help

When to call a technician

If E02 persists after the safe checks above, or you are unsure at any point, book a diagnosis. A technician can confirm what E02 means on your specific model and resolve the underlying cause safely.

Likely related component: Often related to the drain pump or drain hose (varies by model).

FAQ

Frequently asked questions

References

Sources & references

  • Thermador appliance user manual — error/display messages section
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