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Error Code

Miele Dishwasher E20 Error Code

E20 on a Miele dishwasher is generally linked to a possible water-level or pressure-sensing 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 Maya Chen · Last reviewed September 4, 2026

At a glance

Overview

Maya Chen Written by Maya Chen Appliance Repair Content Specialist Published September 4, 2026 Technically reviewed September 4, 2026

Content status Verified

Error code E20
Appliance Dishwasher
Quick answer

E20 — commonly associated with a level/pressure issue on a Miele dishwasher. Meaning can vary by model; verify before relying on it.

Model compatibility

Miele reuses codes across series and model years, so E20 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 Miele dishwasher models, the E20 code is commonly associated with a possible water-level or pressure-sensing 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 shows E20 and over- or under-fills

The cycle stalls with E20 displayed

Water levels seem wrong when E20 appears

Why it happens

Possible causes

A pressure switch or level sensor

A blocked pressure hose or chamber

A control interpreting levels as a fault

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 the accessible filter for blockages

Confirm drainage access is clear

Perform a manufacturer-approved restart

Record the full model number before contacting a technician

Caution

Safety warning

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 E20 persists after the safe checks above, or you are unsure at any point, book a diagnosis. A technician can confirm what E20 means on your specific model and resolve the underlying cause safely.

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Seeing this code on your Miele appliance?

Book an on-site visit in Los Angeles County or Orange County. We diagnose the appliance that is showing the code and give a written estimate before any repair.

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Where it points

Likely related component

Often related to the pressure switch / level sensor (varies by model).

FAQ

Frequently asked questions

References

Sources & references

Supporting manuals and references used for this error-code guide.

Miele appliance user manual — error/display messages section

Reference note
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(310) 742-0025
Phone (310) 742-0025
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Hours Mon–Sat: 8:00 AM – 7:00 PM
Service area Serving Los Angeles County and Orange County.