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Error Code

Thermador Washing Machine F08 Error Code

F08 on a Thermador washing machine is generally linked to the appliance’s leak protection responding to water it detected. 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 F08
Appliance Washing Machine
Washing Machine service reference
Quick answer

F08 — commonly associated with leak protection 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 F08 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 F08 code is commonly associated with the appliance’s leak protection responding to water it detected. 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 halts and displays F08

You notice moisture or water near the washing machine

The washing machine won’t resume its cycle normally

Why it happens

Possible causes

A minor internal leak reaching the base

A loose or aging hose connection

Residual water triggering the protection system

Before you call

Safe checks you can make

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

Switch the appliance off and, if safe, disconnect power

Check for visible water under or behind the appliance

Confirm hoses and connections are not visibly dripping

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 F08 persists after the safe checks above, or you are unsure at any point, book a diagnosis. A technician can confirm what F08 means on your specific model and resolve the underlying cause safely.

Likely related component: Often related to the anti-leak / base sensor (varies by model).

FAQ

Frequently asked questions

References

Sources & references

  • Thermador appliance user manual — error/display messages section
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