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Error Code

Thermador Washing Machine E30 Error Code

E30 on a Thermador washing machine 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.

Reviewed by Marcus Cole · Last reviewed August 1, 2026

Error guide

Code overview

Content status: Verified

Error code E30
Appliance Washing Machine
Washing Machine service reference
Quick answer

E30 — commonly associated with a level/pressure issue on a Thermador washing machine. Meaning can vary by model; verify before relying on it.

Model compatibility: Thermador reuses codes across series and model years, so E30 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 washing machine models, the E30 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 washing machine shows E30 and over- or under-fills

The cycle stalls with E30 displayed

Water levels seem wrong when E30 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

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 E30 persists after the safe checks above, or you are unsure at any point, book a diagnosis. A technician can confirm what E30 means on your specific model and resolve the underlying cause safely.

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

FAQ

Frequently asked questions

References

Sources & references

  • Thermador appliance user manual — error/display messages section
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